Biology Multiple Choice Questions for NEET Download PDF
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Biology Multiple Choice Questions for NEET
1. Study of antigen and antibodies found in blood
(a)Histology
(b)Biology
(c)Serology
(d)Gynecology
Answer is: C
2. Which one of the following is considered as a cell within a cell?
(a)Ribosome
(b)Chloroplast
(c)Lysosome
(d)Golgi apparatus
Answer is: B
3. Which organelles in the cell, other than nucleus contains DNA?
(a)Centriole
(b)Golgi apparatus
(c)Lysosomes
(d)Mitochondria
Answer is: D
4. Which one of the following organelles of a cell is/are involved in photosynthesis?
(a)Chloroplast
(b)Mitochondrion
(c)Endoplasmic reticulum
(d)Golgi bodies
Answer is: A
5. Which one of the following is the principal structural element of a living cell?
(a)Oxygen
(b)Hydrogen
(c)Carbon
(d)Nitrogen
Answer is: C
6. Which one of the following cell organelles is responsible for cellular respiration?
(a)Endoplasmic reticulum
(b)Golgi body
(c)Lysosome
(d)Mitochondrion
Answer is: D
7. Which one of the following types of cells has the ability to develop into any type of cell?
(a)Endodermal cells
(b)Ectodermal cells
(c)Stem cells
(d)Muscle cells
Answer is: C
8. Which one of the following contain enzymes for cellular respiration?
(a)Dictyosomes
(b)Endoplasmic reticulum
(c)Lysosomes
(d)Mitochondria
Answer is: D
9. In a living cell, What is the site of ribosome formation?
(a)Golgi bodies
(b)Endoplasmic reticulum
(c)Necleolus
(d)plasma membrane
Answer is: C
10. RNA differs from DNA in having
(a)thymine
(b)uracil
(c)adenine
(d)guanine
Answer is: B
11. The term ‘meiosis’ was coined by
(a)Fleming
(b)Blackmann
(c)Liebig
(d)Farmer and moore
Answer is: D
12. A plant cell differ from animal in having
(a)chloroplast
(b)cell wall
(c)cell membrane
(d)nucleus
Answer is: B
13. A substance which is more than 80% in the cell is
(a)protein
(b)fat
(c)mineral
(d)water
Answer is: D
14. Which one of the following parts of blood carry out the function of body defence?
(a)Red blood cells
(b)White blood cells
(c)platelets
(d)Haemoglobin
Answer is: B
15. The corner of the cells of collenchyma tissue in plant are thickened due to deposition of
(a)lignin and suberin
(b)suberin and cutin
(c)cellulose and pectin
(d)chitin and lignin
Answer is: C
16. In human body, what is the number of cervical vertebrae?
(a)5
(b)7
(c)8
(d)12
Answer is: B
17. Total number of bones found in human
(a)212
(b)206
(c)202
(d)200
Answer is: B
18. Number of bones found in skull
(a)8
(b)30
(c)32
(d)34
Answer is: A
19. Pair of ribs found in man
(a)12
(b)10
(c)14
(d)11
Answer is: A
20. How many teeth in man come out twice?
(a)4
(b)12
(c)20
(d)28
Answer is: C
21. White blood cells act
(a)as a defense against infection
(b)as source of energy
(c)for clotting blood
(d)as a medium for oxygen transport from lung to tissues
Answer is: A
22. Which one of the following is an example of vestigial organ in man?
(a)Jaw apparatus
(b)Ear muscles
(c)Canine teeth
(d)Humerus
Answer is: B
23. In terms of the evolution of organisms, which one among the following is the most advanced?
(a)Bat
(b)Pigeon
(c)Shark
(d)Vulture
Answer is: A
24. Plants developing in dry conditions are
(a)Xerophytes
(b)Lithophytes
(c)Mesophytes
(d)Hydrophytes
Answer is: A
25. Which among the following is the largest phylum on the animal kingdom in respect of number of species?
(a)Annelida
(b)Platyhelminthes
(c)Chordata
(d)arthropoda
Answer is: D
26. The largest flightless bird is
(a)pebguin
(b)kiwi
(c)ostrich
(d)emu
Answer is: C
27. Amphibians are the animal who
(a)live in water
(b)only live on land
(c)they live both on land and water
(d)None of the above
Answer is: C
28. In which one of the following animals, is skin a respiratory organ?
(a)Cockroach
(b)Frog
(c)Spark
(d)Whale
Answer is: B
29. Which of the following is warm-blooded animal?
(a)Shark
(b)Snake
(c)Bat
(d)Lizard
Answer is: C
30. In the context of Indian wildlife, the flying fox is a
(a)bat
(b)kite
(c)stork
(d)vulture
Answer is: A
31. Largest Indian fish is
(a)stone fish
(b)whale fish
(c)hilsa
(d)None of these
Answer is: B
32. What is MRI?
(a)Magnetic Record of intestines
(b)Magnetic Recording of investigations
(c)Magnetic Resonance imaging
(d)Magnetic Resonance of intestine
Answer is: C
33. Plants wilt due to excess of
(a)Photosynthesis
(b)Transpiration
(c)Absorption
(d)None of these
Answer is: B
34. Number of eyes found in earthworm
(a)one
(b)two
(c)many
(d)no eye
Answer is: D
35. Larva of housefly called
(a)pupa
(b)imego
(c)maggot
(d)None of these
Answer is: C
36. Becteria helpful in making curd from milk
(a)Mycobacterium
(b)Encoli
(c)Lectobacillus
(d)Yeast
Answer is: C
37. Which of the following gets different in the human body due to dengue fever?
(a)Platelets
(b)Haemoglobin
(c)Sugar
(d)Water
Answer is: A
38. Which if the following is free living bacteria that help in nitrogen fixation?
(a)Azotobacter
(b)Anabaena
(c)Azolla
(d)Nostoc
Answer is: A
39. HIV is related to
(a)cancer
(b)plague
(c)hepatitis
(d)AIDS
Answer is: D
40. BMD testing is done to diagnose
(a)dengue
(b)malaria
(c)osteoporosis
(d)AIDS
Answer is: C
41. AIDS virus contain
(a)single stranded RNA
(b)double stranded RNA
(c)single stranded DNA
(d)double stranded DNA
Answer is: A
42. Which of the following vector spreads the kala-azar in human beings?
(a)Mosquito
(b)Sand fly
(c)House fly
(d)Ticks
Answer is: B
43. Mosquito can be a vector for following disease except
(a)yellow fever
(b)dengue fever
(c)filarial
(d)kala-azar
Answer is: D
44. According to the World Health Organization (WHO), the disease which causes the death of largest number of people today is
(a)AIDS
(b)tuberculosis
(c)malaria
(d)ebola
Answer is: B
45. Which one of the following is useful in the treatment of scurvy disease?
(a)Mango
(b)Papaya
(c)Aonla
(d)Ber
Answer is: C
46. AIDS is caused by
(a)bacteria
(b)fungus
(c)helminth
(d)virus
Answer is: D
47. Which one is a viral disease?
(a)Cholera
(b)Rabies
(c)Typhoid
(d)Whooping cough
Answer is: B
48. Rubella virus causes
(a)chicken pox
(b)measles
(c)small pox
(d)mumps
Answer is: B
49. Systolic and diastolic pressure in a healthy man
(a)120 mm and 80 mm
(b)201 mm and 110 mm
(c)90 mm and 60 mm
(d)85 mm and 55 mm
Answer is: A
50. Which of the following is formed during Krebs’ cycle?
(a)Lactic acid
(b)Pyruvic acid
(c)Glucose and ATP
(d)Fumaric acid
Answer is: D
51. In a healthy person, rate of heart beat in one minute is
(a)58 times
(b)67 times
(c)72 times
(d)90 times
Answer is: C
52. Blood bank of human body is
(a)spleen
(b)pancreas
(c)gall bladder
(d)None of these
Answer is: A
53. In whole body mass, the percentage of blood is
(a)8%
(b)9%
(c)10%
(d)11%
Answer is: B
54. If the radius of blood vessels decreases the blood pressure will
(a)increase
(b)decrease
(c)remain same
(d)increase in male but decrease In female
Answer is: A
55. Which blood group is a universal recipient?
(a)A
(b)B
(c)AB
(d)O
Answer is: C
56. Person having blood group B can donate the blood to person having group
(a)A and B
(b)B and O
(c)A and AB
(d)B and AB
Answer is: D
57. Cerebrum is related to
(a)liver
(b)heart
(c)brain
(d)artery
Answer is: C
58. By EEG, we can observe the activity of
(a)heart
(b)lung
(c)muscles
(d)brain
Answer is: D
59. Largest part of human brain is
(a)cerebellum
(b)cerebrum
(c)medulla oblongata
(d)None of these
Answer is: B
60. Among the following elements, which one is essential for the transmission of impulses in the nerve fibre?
(a)Calcium
(b)Iron
(c)Sodium
(d)Zinc
Answer is: C
61. Development of goiter in mainly due to deficiency of
(a)sodium
(b)iodine
(c)calcium
(d)iron
Answer is: B
62. Which of the following cell secrete insulin?
(a)Alpha cell
(b)Gamma cell
(c)Beta cell
(d)Nerve cell
Answer is: C
63. A surge of which hormone stimulates ovulation in human females?
(a)Luteinizing hormone
(b)Oestrogen
(c)Follicle stimulating hormone
(d)Progesterone
Answer is: A
64. Which of the following is not a gland?
(a)Thyroid
(b)Gastrin
(c)Liver
(d)Pancreas
Answer is: B
65. Which one of the following is smallest gland of body?
(a)Liver
(b)Thyroid
(c)Pituitary
(d)Salivary gland
Answer is: C
66. Which one of the following gases is essential for photosynthesis?
(a)CO
(b)CO2
(c)N2
(d)O2
Answer is: B
67. Which one of the following is not an enzyme?
(a)Ptyalin
(b)Pepsin
(c)Trypsin
(d)Oxytocin
Answer is: D
68. Which one of the following is considered as the easily digestable source of protein?
(a)Egg albumin
(b)Soyabean
(c)Fish flesh
(d)Red meat
Answer is: B
69. In which of the following organ, carbohydrate is stored as glycogen?
(a)Intestine
(b)Stomach
(c)Liver
(d)Pancreas
Answer is: C
70. After digestion, protein is converted into
(a)fat
(b)glucose
(c)amino acid
(d)sucrose
Answer is: C
71. Largest organ of human body is
(a)brain
(b)heat
(c)skin
(d)liver
Answer is: C
72. Flower in which pollination takes place through insect and their pollen grains are
(a)smooth and dry
(b)rough and sticky
(c)rough and dry
(d)large in size
Answer is: B
73. Which among the following is not a true fruit?
(a)Apple
(b)Date
(c)Grape
(d)Plum
Answer is: A
74. A seed is ripened
(a)ovary
(b)flower
(c)gynoecium
(d)ovule
Answer is: D
75. Which one among the following produces seeds but not flowers?
(a)Cashewnut
(b)Coffee
(c)Groundnut
(d)Pine
Answer is: D
76. Fruit of which of the following plant is found underground soil?
(a)Patato
(b)Carrot
(c)Peanut
(d)Onion
Answer is: C
77. Which one of the following vitamins is necessary for blood clotting?
(a)Vitamin-A
(b)Vitamin-D
(c)Vitamin-K
(d)Vitamin-C
Answer is: C
78. Which one among the following plants cannot be multiplied by cuttings?
(a)Rose
(b)Bryophyllum
(c)Banana
(d)Marigold
Answer is: C
79. Which one of the following statements regarding potato is correct?
(a)It is a root
(b)It is a normal stem
(c)It is a modified stem
(d)It is a modified root
Answer is: C
80. By using which one of the following techniques, is DNA fingerprinting done?
(a)ELISA
(b)RIA
(c)Northern blotting
(d)Southern blotting
Answer is: D
81. For a colorblind person, red color appear as
(a)yellow
(b)blue
(c)green
(d)violet
Answer is: C
82. Amniocentesis is a method used to determine the
(a)Prenatal Diagnosis
(b)Kind of amino acids
(c)Sequence of amino acids in protein
(d)Type of hormones
Answer is: A
83. Under which branch, we would study both Amoeba and Plasmodium?
(a)Parasitology
(b)Parazoology
(c)Protozoology
(d)Epidemilogy
Answer is: A
84. Who is the father of Binomial Nomenclature of organisms?
(a)Julian Huxley
(b)JB Lamarck
(c)Carolus Linnaeus
(d)RH Whittaker
Answer is: C
85. The haffkine institute, Mumbai, is known for its work on the production of
(a)Plague vaccine
(b)Leprosy vaccine
(c)Tetanus vaccine
(d)Polio vaccine
Answer is: D
86. The haffkine institute, Mumbai, is known for its work on the production of
(a)Plague vaccine
(b)Leprosy vaccine
(c)Tetanus vaccine
(d)Polio vaccine
Answer is: D
87. In 1928, a scientist discovered an antibiotic which is not a broad spectrum. The name of the scientist and antibiotic are respectively
(a)Alexander Fleming, Streptomycin
(b)Waksman, Penicillin
(c)Alexander Fleming, penicillin
(d)Waksman, Streptomycin
Answer is: C
88. The branch of biology dealing with the study of rudimentary organs is
(a)Dysteliology
(b)Dermatology
(c)Etiology
(d)Chirology
Answer is: A
89. In Exo-biology, we study about
(a)External structure of living beings
(b)Life present on the earth
(c)Life present in the other layer of earth atmosphere
(d)Life found in space and on other satellite
Answer is: D
90. Term
(a)Lamarck and Treviranus
(b)Lamarck and Darwin
(c)Lamarck and Hugo de vries
(d)Darwin and Hugo de vries
Answer is: A
91. Study of disease like cancer is
(a)Osteology
(b)Oncology
(c)Karyology
(d)Nephrology
Answer is: B
92. Oath taken by medical graduates was given by
(a)Aristotle
(b)Theophrastus
(c)Hippocrates
(d)Darwin
Answer is: C
93. Study of antigen and antibodies found in blood
(a)Histology
(b)Biology
(c)Serology
(d)Gynecology
Answer is: C
94. Estimation of age of woody plant by counting annual ring is
(a)Dendrology
(b)Dendrochronology
(c)Agronomy
(d)Demography
Answer is: B
95. The branch of biology, which deals with the process of ageing is called
(a)Geology
(b)Geneology
(c)Genetics
(d)Gerontology
Answer is: D
96. Which one of the following is considered as a cell within a cell?
(a)Ribosomes
(b)Chloroplast
(c)Lysosome
(d)Golgi apparatus
Answer is: B
97. Which organelles in the cell, other than nucleus contain DNA?
(a)Centriole
(b)Golgi apparatus
(c)Lysosomes
(d)Mitochondria
Answer is: D
98. Which of the following stage is associated with the formation of chiasmata during meiotic cell division?
(a)Leptotene
(b)Zygotene
(c)Pachytene
(d)Diplotene
Answer is: C
99. Which of the following cell organelles play the most significant role in protein synthesis?
(a)Lysosome and centrosome
(b)Endoplasmic reticulum and ribosome
(c)Golgi apparatus and mitochondria
(d)Lysosome and mitochondria
Answer is: B
100. Suicidal bag of cell is
(a)Lysosome
(b)Ribosomes
(c)Nucleosomes
(d)Golgi bodies
Answer is: A
101. In the absence of ribosome in cell which of the following function does not take place?
(a)Respiration
(b)Excretion
(c)Protein synthesis
(d)Carbohydrate synthesis
Answer is: C
102. Cellular totipotent means
(a)Synthesis of new cells
(b)Formation of new species
(c)Formation of new plants
(d)Capability of a plant cell to form complete plant
Answer is: D
103. Which of the following organelles is the smallest membrane bound organelle?
(a)Ribosome
(b)Golgi bodies
(c)Lysosome
(d)Nucleolus
Answer is: C
104. Which of the following phases is the longest phase in the meiotic cell division?
(a)Anaphase-II
(b)Telophase-I
(c)Prophase-I
(d)Metaphase-I
Answer is: C
105. Which of the following organelles of a cell is/are involved in photosynthesis?
(a)Chloroplast
(b)Mitochondrion
(c)Endoplasmic reticulum
(d)Golgi bodies
Answer is: A
106. How many cells and meiosis are needed to produce 200 cells?
(a)100 and 50 respectively
(b)25 and 50 respectively
(c)50 and 25 respectively
(d)50 and 50 respectively
Answer is: D
107. The yellow and orange colour of fruits and flowers are mainly due to
(a)Leucoplasts
(b)Chloroplast
(c)Aleuroplast
(d)Chromoplast
Answer is: D
108. The Golgi bodies very common in the secretory cells are originate from
(a)Endoplasmic reticulum
(b)Chloroplast
(c)Mitochondria
(d)Lysosome
Answer is: A
109. Which of the following cell organelles is found in a cell which is very active in protein synthesis?
(a)Mitochondria
(b)Chloroplast
(c)Lysosome
(d)Ribosome
Answer is: D
110. Which of the following pair of cell organelles is mainly concerned with fatty acid metabolism in both plants and animals?
(a). Ribosomes and nucleus
(b)Lysosomes and mitochondria
(c)Peroxisomes and mitochondria
(d)Glyoxysomes and peroxisomes
Answer is: C
111. The energy currency of our cell is
(a)NAD
(b)GTP
(c)AMP
(d)ATP
Answer is: D
112. RNA differs from DNA in having
(a)Thymine
(b)Uracil
(c)Adenine
(d)Guanine
Answer is: B
113. The initiation factors for protein synthesis are located in
(a)Smaller sub-units of ribosomes
(b)Larger sub-units of ribosomes
(c)Both sub-units of ribosomes
(d)Cytoplasm
Answer is: A
114. The cellular and molecular control of programmed cell death is known as
(a)Apoptosis
(b)Ageing
(c)Degeneration
(d)Necrosis
Answer is: A
115. Dynein is the unique protein of
(a)Ribosomes
(b)Flagella
(c)Lysosome
(d)Centrioles
Answer is: B
116. Which one of the following organelles takes part in the formation of acrosome in human sperms?
(a)Ribosome
(b)Lysosome
(c)Golgi bodies
(d)Nucleolus
Answer is: C
117. Main function of Golgi bodies is
(a)Respiration
(b)Cell division
(c)Percentage produce digestive enzyme
(d)Secretion
Answer is: D
118. Which one of the following is smallest cell?
(a)Mycoplasma
(b)Amoeba
(c)White blood cells
(d)Red blood cells
Answer is: A
119. Mitochondrial cristae are site of
(a)Breakdown of macromolecules
(b)Protein synthesis
(c)Phosphorylation of flavoprotein
(d)Oxidation reduction reaction
Answer is: D
120. Red blood cell do not have nucleus in
(a)Fishes
(b)Tadpoles
(c)Birds
(d)Mammals
Answer is: D
121. Annual ring do not occur in dicot tree growing on sea shore because
(a)Soil is sandy
(b)There is little climate variation
(c)Increases moisture
(d)There is a large scale dimatic variation
Answer is: B
122. Lateral meristem is responsible for
(a)Growth of length
(b)Growth of parenchyma
(c)Growth of thickness
(d)Growth in cortex
Answer is: C
123. Tissue is a group of cells
(a)Similar in origin , structure and function
(b)Similar in origin but dissimilar in structure and function
(c)Dissimilar in origin but similar in structure and function
(d)Dissimilar in origin , structure and function
Answer is: A
124. Coagulation of blood in the vessel is prevented during normal condition by
(a)Prothrombin
(b)Calcium
(c)Heparin
(d)Albumin
Answer is: C
125. The pH of human blood is normally around
(a)1.5-6.5
(b)5.5-6.5
(c)7.5-8.0
(d)8.5-9.0
Answer is: C
126. Whose living cell provide tensile and mechanical strength?
(a)Collenchyma
(b)Sclerenchyma
(c)Phloem
(d)Sclereids
Answer is: A
127. Bark includes
(a)All the tissue outside vascular cambium
(b)Tissue inside the vascular cambium
(c)Tissue inside xylem
(d)All the dead tissue outside vascular
Answer is: A
128. Age of tree is estimated by
(a)Its weight
(b)Its height
(c)By the number of annual rings
(d)By the length of its root
Answer is: C
129. Function of velamen is
(a)Respiration
(b)Absorption of moisture
(c)Protection of tissue
(d)None of the above
Answer is: B
130. Transverse section of an old tree stem shows fifty-five annual rings. The age of tree will be
(a)27 years
(b)54 years
(c)55 years
(d)110 years
Answer is: C
131. Bones of old persons are brittle and fractured more readily occur because they contain more
(a)Lacunae
(b)Organic matter
(c)Bone marrow
(d)Inorganic matter
Answer is: D
132. The monocot plants lack the process of grafting. it is mainly due to lack of
(a)Vascular tissue
(b)Ground tissue
(c)Cambium tissue
(d)Parenchymatous
Answer is: C
133. Which one among the following tissues can be used for the extraction of fibres?
(a)Xylem and phloem
(b)Xylem, phloem and sclerenchyma
(c)Xylem, Parenchyma and phloem
(d)Xylem, phloem, epidermis and sclerenchyma
Answer is: D
134. Which of the following substances, if introduced in the blood stream, would cause coagulation at the site of its introduction?
(a)Fibrinogen
(b)Thromboplastin
(c)Prothrombin
(d)Heparin
Answer is: B
135. Tendons and ligaments are a kind of
(a)Muscular tissue
(b)Epidermal tissue
(c)Connective tissue
(d)Nervous tissue
Answer is: C
136. Blood clotting corpuscle is
(a)Thrombocyte
(b)Monocyte
(c)Lymphocyte
(d)Erythrocyte
Answer is: A
137. Mast cells secrete
(a)Heparin
(b)Myoglobin
(c)Histamine
(d)Haemoglobin
Answer is: C
138. The crystal of calcium carbonate deposit in the cell is called
(a)Aleurone
(b)Crystalloid
(c)Globoid
(d)Cystolith
Answer is: D
139. In which of the following period, the following plant, i.e. angiosperm appeared for the first time?
(a)Carboniferous
(b)Triassic
(c)Jurassic
(d)Cretaceous
Answer is: D
140. From the evolutionary point of view, which one among the following is the most primitive animal?
(a)Dolphin
(b)Otter
(c)Turtle
(d)Walrus
Answer is: C
141. Among living organism, which one of the following is the most responsible factor for bringing about the origin of a new species?
(a)Isolation
(b)Mutation
(c)Natural selection
(d)Sexual reproduction
Answer is: B
142. A true species in Mauritius failed to reproduce because of the extinction of a fruit eating bird. Which one of the following was that bird?
(a)Dove
(b)Dodo
(c)Condor
(d)Skua
Answer is: B
143. In the context of organic evolution, the loss of limbs in snakes is explained by the phenomenon of
(a)Use and disuse of organs
(b)Adaptation to living in burrows
(c)Natural selection
(d)Inheritance of acquired characters
Answer is: A
144. Among the following which one is not an ape?
(a)Gibbon
(b)Urangutan
(c)Gorilla
(d)Langur
Answer is: D
145. To study the evolutionary kingdoms, which one of the following will be very useful?
(a)Fossils
(b)Missing links
(c)Connecting links
(d)All of these
Answer is: D
146. The biological species concept of organisms is based on
(a)Morphological traits
(b)Evolutionary traits
(c)Reproductive traits
(d)Geographical traits
Answer is: C
147. The first geological time scale was developed by
(a)GiovaniArduina
(b)William Smith
(c)R Malthus
(d)Georges Cuvier
Answer is: A
148. Which of the following island is known as ‘Biological Paradise’?
(a)Madagascar island
(b)Sandwich island
(c)St. Helena island
(d)Galapagos island
Answer is: D
149. The classification of Engler and Prantl is one which is based on
(a)Morphology of organisms
(b)Common evolutionary descent
(c)Utilitarian system
(d)Habits organisms
Answer is: B
150. Early atmosphere contained methane and other hydrocarbons they have been now replaced by
(a)Nitrogen
(b)Oxygen
(c)Carbon dioxide
(d)Hydrogen
Answer is: C
151. Presence of gill in the tadpole of frog indicates that
(a)Fish evolved from frog like ancestor
(b)Frogs will have gills in future
(c)Frogs evolved from gilled ancestor
(d)Fishes were amphibious in the past
Answer is: C
152. The complex organic compounds that may have first evolved in the direction of origin of life on earth may have been
(a)Protein and amino acids
(b)Protein and nucleic acids
(c)Urea and nucleic acids
(d)Urea and amino acids
Answer is: B
153. Animals with jointed appendages belongs to phylum
(a)Arthropoda
(b)Annelida
(c)Nemathelminthes
(d)Platyhelminthes
Answer is: A
154. Dinosaurs was
(a)Mammal who become extinct
(b)Large herbivorous animal
(c)Oviparous mammal
(d)Reptile who become extinct
Answer is: D
155. Honey bee and wasp grouped under class
(a)Insecta
(b)Crustacea
(c)Diplopoda
(d)Arachmida
Answer is: A
156. Mammal who have capacity to distinguish the colour
(a)Man and dog
(b)Man, dog and monkey
(c)All mammals
(d)Man and monkey
Answer is: C
157. Fertilization in frog is
(a)External
(b)Internal
(c)Both (a) and (b)
(d)None of these
Answer is: A
158. Which of the following will form a new species?
(a)Interbreeding
(b)Random mating
(c)Connecting links
(d)Variations
Answer is: D
159. Which one of the following carries out the function in human being similar to the one which Malpighian tubules perform in cockroach and other insects?
(a)Lung
(b)Kidneys
(c)Heart
(d)Reproductive organs
Answer is: B
160. Which one of the following statement is not correct?
(a)All echinoderms are viviparous
(b)Roundworm has no circular system
(c)In boney fishes, swim bladder is usually present
(d)In cartilaginous fishes, fertilization is internal
Answer is: A
161. Archaeopteryx is
(a)Reptile of Jurassic period
(b)Ancient bird of Jurassic period
(c)Reptile of Triassic period
(d)Both (b) and (c)
Answer is: B
162. Cartilaginous fish differ from bony fish in having
(a)Uncovered gills
(b)Heterocercal gills
(c)Ventral mouth and nares
(d)All of the above
Answer is: D
163. The snake who make their nest
(a)Chain viper
(b)King cobra
(c)Krait
(d)Show scaled viper
Answer is: B
164. Penguin is found only in
(a)Asia
(b)Africa
(c)Antarctica
(d)America
Answer is: C
165. Jacobson’s organs (concerned with smell) present in class
(a)Amphibia
(b)Reptilia
(c)Pisces
(d)Aves
Answer is: B
166. Fishes die out of water because
(a)They get mare oxygen
(b)Temperature of body increased
(c)They cannot respire
(d)They cannot walk in water
Answer is: C
167. Which of the following are cold-blooded animals?
(a)Fish
(b)Frog
(c)Wall lizard
(d)All of these
Answer is: D
168. Which of the following is a true fish?
(a)Flying fish
(b)Cryfish
(c)Cuttle fish
(d)Silver fish
Answer is: A
169. Which of the following is monogamous?
(a)Wolf
(b)Walrus
(c)Seal
(d)Deer
Answer is: D
170. Which one of the belong to the family in which panda belong?
(a)Bear
(b)Cat
(c)Dog
(d)Rabbit
Answer is: A
171. The marine animal called dugong which is vulnerable to extinction is a/an
(a)Amphibian
(b)Bony fish
(c)Shark
(d)Mammal
Answer is: D
172. The release of which one of the following into and wells helps in controlling the mosquitoes?
(a)Crab
(b)Dogfish
(c)Gambusia fish
(d)Snail
Answer is: C
173. For which one of the following snakes is the diet mainly composed of their snakes?
(a)Krait
(b)Russels viper
(c)Rattle snake
(d)King cobra
Answer is: D
174. Which one among the following animals is without the bone marrow?
(a)Frogs
(b)Fishes
(c)Lizards
(d)Birds
Answer is: D
175. In which one of the following king of organisms is the phenomenon found where in the female kills the male after copulation?
(a)Dragonfly
(b)Honey bee
(c)Spider
(d)Pit viper
Answer is: C
176. Which of the following is not an insect?
(a)Bed bug
(b)Spider
(c)House fly
(d)Mosquito
Answer is: B
177. Generally insects respire through
(a)Skin
(b)Gill
(c)Lung
(d)Spiracle
Answer is: D
178. A chemical substance secreted by particular species of animals to attract another member of same species is
(a)Hormone
(b)Nucleic acid
(c)Pheromones
(d)Steroid
Answer is: C
179. Which of the following is not a mammal?
(a)Fishes
(b)Bat
(c)Whale
(d)Man
Answer is: A
180. Dolphins are classified under
(a)Pisces
(b)Amphibian
(c)Reptiles
(d)Mammal
Answer is: D
181. National animal of India
(a)Cow
(b)Peacock
(c)Tiger
(d)Lion
Answer is: C
182. Number of chambers found in the heart of whale
(a)2
(b)3
(c)4
(d)1
Answer is: C
183.
Which of the following continent is known as the ‘Bird continent’?
(a)Africa
(b)Asia
(c)South America
(d)None of these
Answer is: C
184. Which one among the following is blind (Extremely poor eyesight)?
(a)Bat
(b)Echidna
(c)Flying squirrel
(d)Slow horis
Answer is: A
185. Urine of mammal contain excretory product
(a)Uric acid
(b)Ammonia
(c)Urea
(d)All of these
Answer is: C
186. Wall lizard creep over the vertical wall and ceiling with the help of
(a)Sucker found in mouth
(b)Claw present on their digits
(c)Adhesive pad found on their digits
(d)Ventral sides of body is adhesive
Answer is: C
187. Flightless bird found in New Zealand
(a)Ostrich
(b)Kiwi
(c)Alwaytras
(d)Penguin
Answer is: B
188. Archaeopteryx is a connecting link between
(a)Reptiles and mammals
(b)Birds and mammal
(c)Reptiles and birds
(d)Amphibian and reptiles
Answer is: C
189. Pavocristatus is the Zoological name of
(a)Tiger
(b)Frog
(c)Man
(d)Peacock
Answer is: D
190. Among the following which one lays eggs and does not produce young once directly?
(a)Echidna
(b)Kangaroo
(c)Porcupine
(d)Whale
Answer is: A
191. The five kingdom classification of living organisms was proposed by
(a)Julian Huxley
(b)Charles Darwin
(c)Engler and Prantl
(d)RH Whittaker
Answer is: D
192. In the context of Indian wildlife, the flying fox is a
(a)Bat
(b)Kite
(c)Stork
(d)Vulture
Answer is: A
193. Earthworm is called farmer’s friend because
(a)It fix atmospheric nitrogen
(b)It make soil porous
(c)It work as insecticide
(d)It act as fungicide
Answer is: B
194. The corpus callosum is absent in which one among the following animals?
(a)Echidna
(b)Rabbit
(c)Dog
(d)Whale
Answer is: A
195. Locomotory organ of Hydra is
(a)Pseudopodia
(b)Cilia
(c)Tentacles
(d)Flagella
Answer is: C
196. Animal which is also known as Portuguese man of war?
(a)Physalia
(b)Hydra
(c)Aurelia
(d)Obelia
Answer is: A
197. Octopus comes under phylum
(a)Arthropoda
(b)Hemichordata
(c)Mollusca
(d)Echinodermata
Answer is: C
198. ‘Athlete’s foot’ is a disease caused by
(a)Bacteria
(b)Fungus
(c)Protozoan
(d)Nematode
Answer is: B
199. Refrigeration is a process in which
(a)Bacteria are destroyed
(b)Growth of bacteria reduced
(c)Bacteria become inactive
(d)Cytoplasm of bacteria contract
Answer is: C
200. Souring of milk is due to
(a)Protozoan
(b)Bacteria
(c)Virus
(d)Nematode
Answer is: B
201. Which one of the following type of microorganism is most widely used in industries?
(a)Bacteria
(b)Bacteria and fungi
(c)Bacteria and algae
(d)Bacteria, micro-algae and fungi
Answer is: D
202. Nitrogen fixing bacteria is useful in growing which crop?
(a)Wheat
(b)Paddy
(c)Legume
(d)Maize
Answer is: C
203. Function if leg haemoglobin in nitrogen fixation is
(a)Absorption of oxygen
(b)Nutrition of bacteria
(c)Absorption of light
(d)All of the above
Answer is: A
204. Yeast is used in bakery in the preparation of bread because
(a)It make on bread hard
(b)It male bread soft and spongy
(c)It increase the food value of bread
(d)It keeps the bread fresh
Answer is: B
205. Termites can’t digest the cellulose contained in wood. Which of the following organism assists termites in the cellulose digestion?
(a)Bacteria
(b)Protozoan
(c)Virus
(d)Fungi
Answer is: B
206. Leishmania, the causative agent of kala-azar, multiplies asexually by
(a)Budding
(b)Sporogony
(c)Multiple fission
(d)Binary fission
Answer is: D
207. Which one of the following antimicrobial drugs is suitable for treatment of both tuberculosis and leprosy?
(a)Isoniazid
(b)P-aminosalicylic acid
(c)Rifampicin
(d)Streptomycin
Answer is: C
208. Which of the disease is not caused by fungus on plant?
(a)Red rot of sugarcane
(b)Ergot of rye
(c)Leaf spot of rice
(d)Red rust of tea
Answer is: D
209. Which one of the following is the non-symbiotic nitrogen fixing bacteria?
(a)Clostridium
(b)Nostoc
(c)Anabaena
(d)Rhizobium
Answer is: A
210. Which one of the following is used in the production of yoghurt?
(a)Streptococcus thermophiles
(b)Lactobacillus bulgaris
(c)Streptococcus lactis
(d)Both (a) and (b)
Answer is: D
211. Which of the following vitamin is helped for treatment of viral infection?
(a)Vitamin-C
(b)Vitamin-A
(c)Vitamin-B12
(d)Vitamin-K
Answer is: A
212. A bio-technique in which ultrasonic sound is used
(a)Sonography
(b)ECG
(c)EEG
(d)ray
Answer is: A
213. Anosmia is loss of the sense of
(a)Taste
(b)Smell
(c)Touch
(d)Heat
Answer is: B
214. The year 2011 has been marked for the livestock disease named
(a)Foot mouth disease
(b)Rinderpest
(c)Rabies
(d)Con-pox
Answer is: A
215. Complete oxidation of sucrose in presence of oxygen into CO2 water and energy is called
(a)Aerobic respiration
(b)Anaerobic respiration
(c)Glycolysis
(d)Hydrolysis
Answer is: A
216. Number of valves found in human heart
(a)2
(b)3
(c)4
(d)1
Answer is: C
217. Between which one of the following sets of bloods, in the transfusion possible?
(a)A and O (A donor)
(b)B and A (B donor)
(c)A and AB (A donor)
(d)AB and O (AB donor)
Answer is: C
218. What is the name of the vessel that delivers the nutrient rich blood from the stomach and small intestine to the liver?
(a)Left hepatic artery
(b)Hepatic vein
(c)Right hepatic artery
(d)Hepatic portal vein
Answer is: D
219. Blood pressure is the pressure exerted on the wall of
(a)Heart
(b)Vein
(c)Artery
(d)Cell
Answer is: C
220. Which of the following blood group is universal donor?
(a)B
(b)O
(c)A
(d)AB
Answer is: B
221. If father have blood group A and mother have blood group O which one of following blood group may present in their son?
(a)B
(b)AB
(c)O
(d)B, AB and O
Answer is: C
222. Arteries supplying blood to the heart are called
(a)Carotid arteries
(b)Coronary arteries
(c)Hepatic arteries
(d)Pulmonary arteries
Answer is: B
223. A person with AB blood group is sometimes called a universal recipient because of the
(a)Lack of antigen in his blood
(b)Lack of antibodies in his blood
(c)Lack of both antigen and antibodies in his blood
(d)Presence of antibodies in his blood
Answer is: B
224. In which organ of the human body are the lymphocytes cells formed?
(a)Liver
(b)Pancreas
(c)Long bone
(d)Spleen
Answer is: C
225. Which one of the following parts of human brain is the regulating centre for swallowing and vomiting?
(a)Cerebellum
(b)Medulla oblongata
(c)Cerebrum
(d)Pones
Answer is: B
226. Centre of reflex action
(a)Cerebrum
(b)Cerebellum
(c)Spinal cord
(d)Nerve cell
Answer is: C
227. Number of spinal nerve is
(a)10 pairs
(b)12 pairs
(c)15 pairs
(d)None of these
Answer is: D
228. Lifesaving hormone is
(a)Adrenal
(b)Pituitary
(c)Thyroid
(d)All of the above
Answer is: A
229. Insulin is a kind of
(a)Salt
(b)Hormone
(c)Enzyme
(d)Vitamin
Answer is: B
230. Which of the following is female sex hormone?
(a)Oestrogen
(b)Androgene
(c)Auxin
(d)Insulin
Answer is: A
231. Which of the following hormone is called emergency hormone?
(a)Insulin
(b)Adrenalin
(c)Oestrogen
(d)Oxytocin
Answer is: B
232. Which of the following control blood pressure?
(a)Parathyroid
(b)Thyroid
(c)Thymus
(d)Adrenal
Answer is: D
233. Which of the following hormone contain iodine?
(a)Thyroxine
(b)Testosterone
(c)Insulin
(d)Adrenaline
Answer is: A
234. Which of the following as known as master gland in man?
(a)Pancreas
(b)Pituitary
(c)Adrenal
(d)Thyroid
Answer is: B
235.
Thyroid gland is activated by which hormone for the secretion of thyroxine?
(a)TSH
(b)FSH
(c)LTN
(d)ACTH
Answer is: A
236. Which of the following gland is responsible for the secretion of insulin?
(a)Pituitary
(b)Pineal
(c)Thymus
(d)Pancreas
Answer is: D
237. Which of the following hormone is injected into cows and buffalows during milking?
(a)Somatotropin
(b)Oxytocin
(c)Interferon
(d)Insulin
Answer is: B
238. Which one of following is not a digestive enzyme in human system?
(a)Gastrin
(b)Trypsin
(c)Ptylin
(d)Pepsin
Answer is: A
239. Production of which one of the following is a function of liver?
(a)Lipase
(b)Urea
(c)Mucus
(d)Hydrochloric acid
Answer is: B
240. Which one of the following is not a good source of nutrition calcium?
(a)Rice
(b)Ragi
(c)Skimmed milk
(d)Egg
Answer is: A
241. In human body, which one of following hormones regulate blood calcium and phosphate?
(a)Glucagon
(b)Growth hormone
(c)Parathyroid hormone
(d)Thyroxine
Answer is: C
242. Enzymes are essential for body because
(a)They provide energy
(b)They control nervous system
(c)These are the structural part of body
(d)These are the catalyst of biochemical activity
Answer is: D
243. Bile is stored in
(a)Mouth
(b)Liver
(c)Gall bladder
(d)Stomach
Answer is: C
244. Maximum nutritive element absorbed by blood from which part of alimentary canal?
(a)Large intestine
(b)Mouth
(c)Small intestine
(d)Stomach
Answer is: C
245. Which of the following acid is found in the stomach of man?
(a)Sulphuric acid
(b)Hydrochloric acid
(c)Nitric acid
(d)Picric acid
Answer is: B
246. Saliva secreted from mouth digest
(a)Protein
(b)Starch
(c)Fat
(d)Vitamin
Answer is: B
247. The enzyme found in saliva
(a)Ptyalin
(b)Renin
(c)Tenin
(d)Resin
Answer is: A
248. Which one of the following carries out the function in human beings similar to the one which malpighian tubules perform in cockroaches and other insects?
(a)lungs
(b)Heart
(c)Kidneys
(d)Reproductive organs
Answer is: C
249. Loop of Henle, glomerulus and Bowman?s capsule are related with
(a)Excretory system
(b)Reproductive system
(c)Respiration system
(d)Nervous system
Answer is: A
250. Alpha-keratin is a protein present in
(a)Blood
(b)Skin
(c)Lymph
(d)Egg
Answer is: B
251. Human body’s main organ of balance is located in
(a)Inner part of ear
(b)Middle part of ear
(c)Front par of brain
(d)Top part of vertebral column
Answer is: A
252. IAA is first isolated from
(a)Corn germ oil
(b)Gibberella
(c)Human urine
(d)Rhizopus
Answer is: C
253. In plants, process of transpiration occur through
(a)Stem
(b)Leaves
(c)Root
(d)All the aerial parts of plant
Answer is: D
254. In photosynthesis
(a)Light energy is converted into chemical energy
(b)Chemical energy is converted into light energy
(c)Chemical energy s converted into electrical energy
(d)Light energy is converted into mechanical energy
Answer is: A
255. The oxygen in photosynthesis is released from
(a)CO2
(b)H2O
(c)Both (a) and (b)
(d)Chlorophyll
Answer is: B
256. Which one of the following gas comes out during photosynthesis?
(a)Oxygen
(b)Carbon dioxide
(c)Hydrogen
(d)Chlorine
Answer is: A
257. Which of the following gas is absorbed during photosynthesis?
(a)N2
(b)CO2
(c)O2
(d)Water vapour
Answer is: B
258. Most of photosynthesis process occurs in
(a)Blue and red region of light
(b)In the green and yellow region of light
(c)In the blue and orange region of light
(d)In the violet and orange region of light
Answer is: A
259. Role of chlorophyll in the photosynthesis
(a)Absorption of water
(b)Absorption of light energy
(c)absorption of CO2
(d)None of the above
Answer is: B
260. First compound which is fixed during photosynthesis is
(a)Phosphoglyceric acid
(b)Starch
(c)Glucose
(d)Diphosphoglyceric acid
Answer is: C
261. Which gas is essential for photosynthesis?
(a)O2
(b)CO2
(c)N2
(d)CO
Answer is: B
262. An element present in chlorophyll
(a)Ca
(b)Fe
(c)Mg
(d)S
Answer is: C
263. Process by which plant prepare their food is
(a)Carbohydrolysis
(b)Metabolic synthesis
(c)Photosynthesis
(d)Photorespiration
Answer is: C
264. First step of photosynthesis is
(a)Activation of chlorophyll by sunlight
(b)Oxygen comes out from water
(c)Formation of carbohydrate
(d)Fixation of carbon dioxide
Answer is: A
265. Which of the following organelles of a cell is /are involved in photosynthesis?
(a)Chloroplast
(b)Mitochondrion
(c)Endoplasmic reticulum
(d)Golgi bodies
Answer is: A
266. Osmosis is defined as
(a)Flow of solute from a semipermeable membrane
(b)Diffusion of solvent (water) through a semipermeable membrane from less concentrated solution to more concentrated solution
(c)Flow of water without a membrane
(d)Diffusion of suspended particle from higher to lower concentration
Answer is: B
267. The ultimate cause of water movement in a plant stem against gravity is
(a)Osmosis
(b)Photosynthesis
(c)Transpiration
(d)Diffusion
Answer is: C
268. Which of the following contain enzymes for cellular respiration?
(a)Dictyosomes
(b)Endoplasmic reticulum
(c)Lysosomes
(d)Mitochondria
Answer is: D
269. Which one of the following cell organelles is responsible for cellular respiration?
(a)Mitochondrion
(b)Endoplasmic reticulum
(c)Golgi body
(d)Lysosome
Answer is: A
270. Which one of the following types of plants produces spores and embryo, but without seeds and vascular tissues?
(a)Gymnosperms
(b)Pteridophytes
(c)Bryophytes
(d)Angiosperms
Answer is: C
271. The macro-nutrients provided by inorganic fertilizers are
(a)Carbon, iron and boron
(b)Magnesium, manganese and sulphur
(c)Magnesium, zinc and iron
(d)Nitrogen, phosphorus and potassium
Answer is: D
272. The technique of development of fruits without fertilization is known as
(a)Parthenogenesis
(b)Parthenocarpy
(c)Autogamy
(d)Sporogamy
Answer is: B
273. Which of the following is a diploid?
(a)Egg
(b)Synergids
(c)Antipodals
(d)Secondary nucleus
Answer is: D
274. Which part of pear is edible?
(a)Fleshy thalamus
(b)Spores
(c)Both (a) and (b)
(d)Pod
Answer is: A
275. Which of the following plant only produce seed but not fruit?
(a)Sugarcane
(b)Peanut
(c)Cycas
(d)Almond
Answer is: C
276. For the implantation of fertilize ova, uterus secret a hormone
(a)Oestrogen
(b)Oxytocin
(c)Prolactin
(d)Paratropin
Answer is: A
277. Fertilization in human takes place inside
(a)Uterus
(b)Oviduct
(c)Ovigland
(d)None of these
Answer is: B
278. What is meant by double fertilization?
(a)Fusion between egg and male gamete
(b)Fusion between secondary nucleus and male
(c)Both (a) and (b)
(d)Formation of two zygotes
Answer is: C
279. The endosperm of angiosperm is developed from
(a)Antipodals
(b)Zygote
(c)Synergids
(d)Secondary nucleus
Answer is: D
280. With which of the physiological process, thrombin is associated?
(a)Excretion
(b)Blood clotting
(c)Reproduction
(d)Growth
Answer is: B
281. In female, a small portion of oviduct is removed and cut end is lighted by surgical operation is called
(a)Vasectomy
(b)Tubectomy
(c)Neurotomy
(d)None of these
Answer is: B
282. Amocentesis is a technique used
(a)To determine the sex of foetus
(b)To test of amino acid
(c)To test brain
(d)None of these
Answer is: A
283. Which one of the following is a membrane that protects the developing embryo from desiccation?
(a)Allantois
(b)Chorion
(c)Yolk sac
(d)Amnion
Answer is: D
284. In test tube baby,
(a)Fertilization of ova and development tales place in test tube
(b)Fertilization of ova takes place in test tube while development of embryo occur in uterus
(c)Fertilization takes place in uterus while development takes place in test tube
(d)Development of ova takes place in test tube without fertilization
Answer is: B
285. Which of the following is used to know the development of foetus in uterus?
(a)X-rays
(b)IR -rays
(c)Ultrasound
(d)Ultraviolet rays
Answer is: C
286. In the human body, Cowper’s glands form a part of which one of the following?
(a)Reproductive system
(b)Digestive system
(c)Endocrine system
(d)Nervous system
Answer is: A
287. Corpus luteumis a mass of cells found in
(a)Brain
(b)Ovary
(c)Pancreas
(d)Spleen
Answer is: B
288. Which one of the following non-toxic gases helps in formation of enzymes, which ripen fruit?
(a)Acetylene
(b)Ethane
(c)Methane
(d)Carbon dioxide
Answer is: B
289. Which one of the following is not formed in our body?
(a)Protein
(b)Enzyme
(c)Hormone
(d)Vitamin-A
Answer is: A
290. Retina of the eye is comparable to which of the following parts of a traditional camera?
(a)Lens
(b)Shutter
(c)Film
(d)Cover
Answer is: C
291. Which of the following is not the normal function of the human kidney?
(a)Regulation of water level in the blood
(b)Regulation of sugar level in the blood
(c)Filter out urea
(d)Secretion of several hormones
Answer is: D
292. Which one among the following has the specialized absorptive tissue in root?
(a)Orchids
(b)Epiphytes
(c)Monocots
(d)All of these
Answer is: B
293. Which of the following parts of insectivorous plants such as Nepenthes darlingtonia, etc., have modified to capture insect?
(a)Leaf
(b)Stem
(c)Root
(d)Flower
Answer is: A
294. Which one of the following is a modified stem?
(a)Carrot
(b)Sweet potato
(c)Coconut
(d)Potato
Answer is: D
295. Epiphytes are plants which depend on other plants for
(a)Food
(b)Mechanical support
(c)Shade
(d)Water
Answer is: B
296. In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as
(a)Dichogamy
(b)Herkogamy
(c)Heterogamy
(d)Monogamy
Answer is: A
297. Plants which grow in saline soil are
(a)Xerophytes
(b)Hydrophytes
(c)Helophytes
(d)Succulents
Answer is: C
298. Which one of the following is an insectivorous plant?
(a)Passion on flower plant
(b)Pitcher plant
(c)Night queen
(d)Flame of forest
Answer is: B
299. Vegetative propagation by stem cutting is generally applies to
(a)Banana
(b)Sugarcane
(c)mango
(d)Cotton
Answer is: B
300. A complete flower have
(a)Androecium and gynoecium
(b)Calyx and corolla
(c)Calyx and androecium
(d)Both (a) and (b)
Answer is: D
301. Which one of the following is good source of protein?
(a)Gram
(b)Pea
(c)Soya bean
(d)Pigeon pea
Answer is: C
302. Which of the following crop enrich the soil with nitrogen?
(a)Potato
(b)Sorghum
(c)Sunflower
(d)Pea
Answer is: D
303. Nitrogen fixing bacteria found in the root nodules of leguminous plant is
(a)Saprophytic
(b)Parasitic
(c)Symbiotic
(d)Auto tropic
Answer is: C
304. Anabaena is used as fertilizer in growing the crop
(a)Wheat
(b)Rice
(c)Mustard
(d)Cotton
Answer is: B
305. Tallest tree is
(a)Deodar
(b)Eucalyptus
(c)Sequoa
(d)None of these
Answer is: C
306. Longest tree is
(a)Eucalyptus
(b)Deodar
(c)Sequoa
(d)Bamboo
Answer is: C
307. Ficus is having
(a)Racemose inflorescence
(b)Cymose inflorescence
(c)Hypanthodium inflorescence
(d)Cyathium inflorescence
Answer is: C
308. Which one is the incorrect match or edible parts?
(a)Guava-Mesocarp
(b)Banana-Endocarp
(c)Lemon-placental hairs
(d)Pomegranate-juicy testa
Answer is: B
309. Who proposed 3-D helical DNA model?
(a)Franklin and Wilkins
(b)Yanofsky
(c)Watson and Crick
(d)Meselson and Stahl
Answer is: C
310. Haemophilia is a genetic disorder which leads to
(a)Decrease in haemoglobin level
(b)Rheumatic heart disease
(c)Decrease in WBC
(d)Non-clotting of blood
Answer is: D
311. Gregor Johann mendel is famous for
(a)Cell theory
(b)Mutation principle
(c)Low of heredity
(d)Heredity of acquired characters
Answer is: C
312. Mendel worked on
(a)Edible pea
(b)Wild pea
(c)Pigeon pea
(d)Garden pea
Answer is: D
313. What is the most conspicuous salient feature of people with ‘Progeria’?
(a)More hair on body
(b)Less immunity to opportunistic infections
(c)Faster rating of ageing
(d)Suffer from infertility
Answer is: C
314. Which of the following is the X-linked genetic disease?
(a)Backer’s muscular dystrophy
(b)Daltonism
(c)Martin-Bell syndrome
(d)All of the above
Answer is: D
315. DNA, the genetic material, was discovered by
(a)Altmann
(b)McLead
(c)Fredrick meischer
(d)Griffith
Answer is: C
316. Which one of the following techniques can be used to establish the paternity of a child?
(a)Protein analysis
(b)Quantitative analysis of DNA
(c)Chromosome counting
(d)DNA fingerprinting
Answer is: D
317. The phenomena in which one gene controls two or more different characters simultaneously? Is called
(a)Apomixis
(b)Pleiotropy
(c)Polyploidy
(d)Polyteny
Answer is: B
318. Mendel’s principle of inheritance are based on
(a)Vegetative reproduction
(b)Asexual reproduction
(c)Sexual reproduction
(d)All of the above
Answer is: C
319. Initiation codons for protein synthesis are
(a)UUU and GGG
(b)AAU and UAA
(c)AGA and GUA
(d)GUG and AUG
Answer is: D
320. Cancer causing gene is
(a)Proto-oncogene
(b)Oncogene
(c)Transposon
(d)Mutable gene
Answer is: B
321. Insect resistant cotton plant have been genetically engineered by inserting a gene from a
(a)Virus
(b)Bacterium
(c)Insect
(d)Plant
Answer is: B
322. Which one of the following is not a genetic disorder?
(a)Colour blindness
(b)Down’s syndrome
(c)Haemophilia
(d)Xerophthalmia
Answer is: D
323. Who is responsible for the sex determination of a child?
(a)Father
(b)Mother
(c)Both (a) and (b)
(d)None of these
Answer is: A
324. By which combination of chromosome, a child will be male?
(a)X from male and X from female
(b)X from male and Y from female
(c)Y from male and X from female
(d)Y from male and Y from female
Answer is: C
325. The number of DNA molecules per chromatids are
(a)One
(b)Two
(c)Three
(d)Four
Answer is: A
326. The nucleosome is
(a)Histone proteins
(b)DNA wrapped around histones
(c)RNA wrapped around histones
(d)DNA wrapped around acidic protein
Answer is: B
327. In DNA molecule, thymine is 20%, then guanine will be
(a)10%
(b)20%
(c)30%
(d)40%
Answer is: C
328. In prokaryotes, multiple ribosomes (polysomes) participate in
(a)Translation process
(b)Transcription process
(c)Linkage
(d)Crossing over
Answer is: A
329. Which one of the following is a hereditary disease?
(a)Cataract
(b)Haemophilia
(c)Pellagra
(d)Osteoporosis
Answer is: B
330. Change in the sequence of nucleotide in DNA is called as
(a)Mutagen
(b)Mutation
(c)Recombination
(d)Translation
Answer is: B
331. A normal woman whose father was colour-blind is married to a normal man. The sons would be
(a)75% colourblind
(b)50% colourblind
(c)All normal
(d)All colourblind
Answer is: B
332. Gene for colour blindness is located on
(a)Y-chromosome
(b)13th chromosome
(c)X-chromosome
(d)21st chromosome
Answer is: D
333. Gene present on Y-chromosome are called
(a)Halandric genes
(b)Basic gene
(c)Pleiotropic genes
(d)Polygenic genes
Answer is: A
334. Sex-determination by environment factors is commonly observed in
(a)Drosophila melanogaster
(b)Mirabilis jalapa
(c)Melandrium album
(d)Bonelliaviridis
Answer is: D
335. The absence of Y-chromosomes in human beings causes
(a)Turner’s syndrome
(b)Klinefelter’s syndrome
(c)Down’s syndrome
(d)No abnormality
Answer is: A
336. Gaucher’s disease is associated with abnormal metabolism of
(a)Fat
(b)Nucleic acid
(c)Protein
(d)Carbohydrates
Answer is: A
337. Which of the following is sex-linked in heritance?
(a)Thalassemia
(b)Phenylketonuria
(c)Goitre
(d)Haemophilia
Answer is: D
338. Gynandromorph is
(a)Male with female traits
(b)Female with male traits
(c)Half male and half female
(d)None of the above
Answer is: C
339. Chromosomes be counted best in
(a)Metaphase
(b)Early prophase
(c)Mid Prophase
(d)Late prophase
Answer is: A
340. Increase of age decreases
(a)Crossing over
(b)Linkage
(c)Polyploidy
(d)Mutation
Answer is: A
341. Which one of the following genetic disease is sex-linked?
(a)Tay-sachs disease
(b)Royal haemophilia
(c)Cystic fibrosis
(d)Hypertension
Answer is: B
342. Sexual reproduction causes genetic variation because of
(a)Blending of genes
(b)Chromosomal changes
(c)Shuffling of genes
(d)All of the above
Answer is: D
343. Number of chromosomes in a normal human body cell is
(a)43
(b)44
(c)45
(d)46
Answer is: D
344. Which one among the following is not correct about Down’s syndrome?
(a)It is a genetic disorder
(b)Effected individual has early ageing
(c)Effected person has mental retardation
(d)Effected person has furrowed tongue
Answer is: B
345. Ecosystem may be defined as
(a)A species along with environment
(b)Plant found in water
(c)Plants found on land
(d)All plants and animals species along with environment
Answer is: D
346. Which one of the following organisms is likely to show the highest concentration of DDT, one it has been introduce into the ecosystem?
(a)Grasshopper
(b)Toad
(c)Snake
(d)Cattle
Answer is: C
347. Auto ecology means
(a)Effect of soil on plant
(b)Effect of temperature of plant
(c)Effect of transpiration on plant
(d)Relationship species with their environment
Answer is: D
348. When eat the flesh of goat are
(a)Primary consumer
(b)Secondary consumer
(c)Tertiary consumer
(d)None of the above
Answer is: B
349. We got solar energy from
(a)Moon
(b)Sea
(c)Sun
(d)Air
Answer is: C
350. In a food chain, energy transfer
(a)From river to earth
(b)Lower latitude to higher latitude
(c)From one organism to other organism
(d)None of the above
Answer is: C
351. Photochemical is a facility to
(a)Grow plants under disease free condition
(b)Conserve endangered species of plant
(c)Grow plants under controlled condition
(d)Induced mutations
Answer is: C
352. The ratio of forest area needed for ecological balance in India
(a)11.1%
(b)22.2%
(c)33.3%
(d)44.4%
Answer is: C
353. What is the most stable ecosystem?
(a)Forest
(b)Grassland
(c)Desert
(d)Sea
Answer is: D
354. The driving force of an ecosystem is
(a)Solar energy
(b)Biomass
(c)Producer
(d)Carbohydrates in producers
Answer is: A
355. Which one of the following plants is popularly grown along the road for absorbing vehicular pollutants?
(a)Nerium
(b)Neem
(c)Bougainvillea
(d)Calotropis
Answer is: C
356. Which in one of the following is a xerophytic plant?
(a)Mustard
(b)Amerbel
(c)Karil
(d)Neem
Answer is: C
357. Which one among the following is the effect of the excess amount of CO2 up to 1%?
(a)Retards the growth
(b)Accelerates the growth
(c)Kills the plants
(d)Remained unaffected
Answer is: B
358. A biotic component of our environment
(a)Plant
(b)Animal
(c)Both (a) and (b)
(d)Air
Answer is: D
359. Hydro phonics is relate to
(a)Growth of plant without soil
(b)Growth of plant without water
(c)Conservation of water
(d)Relation of sound with water
Answer is: A
360. Which one of the following is not biodegradable?
(a)Woollen mat
(b)Silver foil
(c)Leather bag
(d)Jute basket
Answer is: B
361. In dry regions, the leaf size of a tree becomes smaller. It is so to
(a)Reduce metabolism
(b)Maintain natural growth
(c)Reduce transpiration
(d)Protect plant from animals
Answer is: C
362. Which is the main constituent of Biogas?
(a)Carbon dioxide
(b)Methane
(c)Hydrogen
(d)Nitrogen dioxide
Answer is: B
363. Which of the following gas do not considered as polluting agent of air?
(a)CO2
(b)CO
(c)NO2
(d)SO2
Answer is: A
364. Eco-mark is given to an Indian product which is
(a)Rich in protein
(b)Environment
(c)Economically viable
(d)Pure and unadulterated
Answer is: B
365. Workers of paint industry are exposed to which one of the following hazards?
(a)Nickel pollution
(b)Cadmium pollution
(c)Strontium pollution
(d)Lead pollution
Answer is: D
366. Van Mahotsav is associated with
(a)Cutting trees
(b)Planting trees
(c)Increase in crop
(d)Protection of plants
Answer is: B
367. Crop shown soon after the onset of south-West monsoon in India is called
(a)Rabi
(b)Kharif
(c)Rainfed
(d)Dry farming
Answer is: B
368. The major combustible component of gobar (cow dung) gas is
(a)Methane
(b)Carbon dioxide
(c)Hydrogen
(d)Propane
Answer is: A
369. Which one among the following group of items contains only biodegradable items?
(a)Wood, grass, plastic
(b)Wood, grass, leather
(c)Fruit peels, lime juice, china clay cup
(d)Lime juice, grass, polystyrene cup
Answer is: B
370. Xerophytes thrive in
(a)Hot and arid conditions
(b)Cool and wet conditions
(c)Hot and wet conditions
(d)Cool and arid conditions
Answer is: A
371. Rain water collected after 30 to 40 minutes of raining is not suitable for drinking because it
(a)Contains bacteria and dirt
(b)Contains dissolved toxic chemicals
(c)Is deficient in minerals
(d)Is acidic
Answer is: D
372. Food wrapped in newspaper is likely to get contaminated with
(a)Lead
(b)Aluminium
(c)Iron
(d)Magnesium
Answer is: A
373. Hydrophytes are
(a)Animals founds in sea
(b)Aquatic plants
(c)A plant disease
(d)A root less plant
Answer is: B
374. Effect of pollution is mist marked on
(a)Natural balance of nature
(b)Natural flora of place
(c)Natural geochemical cycles
(d)All of the above
Answer is: A
375. Which one among the following produces the most non- biodegradable wastes?
(a)Food processing units
(b)Thermal power plants
(c)Textile mills
(d)paper mills
Answer is: B
376. Water pollution of a river is measured by
(a)Amount of chlorine dissolves in water
(b)Amount of ozone dissolves in water
(c)Amount of nitrogen dissolves in water
(d)Amount of oxygen dissolves in water
Answer is: D
377. Which of the following form of energy do not have the problem of pollution?
(a)Coal
(b)Atom
(c)Petrol
(d)Sun
Answer is: D
378. Which if the following produce maximum sound pollution?
(a)Top music
(b)Heavy truck
(c)Jet flight
(d)None of these
Answer is: C
379. Which gas is responsible for global warming?
(a)O2
(b)O2 and CO2
(c)CO2 and CH4
(d)CH4
Answer is: C
380. Ozone layer present in our atmosphere absorb
(a)Cosmic rays
(b)Infra-red rays
(c)Ultraviolet rays
(d)All rays
Answer is: C
381. Greenhouse effect is
(a)Collection of greenhouse gases which rise the temperature of atmosphere
(b)Production of flowers and vegetables in increased temperature
(c)Production of crops in glass house
(d)None of the above
Answer is: A
382. Which one of the following is the main cause of the ecological imbalance in India?
(a)Deforestation
(b)Desertification
(c)Floods and famines
(d)Rainfall variations
Answer is: A
383. Carbon dioxide is called a greenhouse gas because
(a)Its concentration remains always higher than other gases
(b)It is used in photosynthesis
(c)It absorbs infrared radiation
(d)It emits visible radiation
Answer is: C
384. The minimum area of the land required to completely sustain the life of one person is called his
(a)Biota
(b)Ecological footprint
(c)Biome
(d)Niche
Answer is: B
385. The non-biotic pollutant of underground water is
(a)Bacteria
(b)Algae
(c)Arsenic
(d)Viruses
Answer is: C
386. Lichens are the best indicator of
(a)Air pollution
(b)Water pollution
(c)Soil pollution
(d)Noise pollution
Answer is: C
387. The cycling of element in an ecosystem is called
(a)Chemical cycle
(b)Biogeochemical cycle
(c)Geological cycle
(d)Geochemical cycle
Answer is: B
388. As an ecosystem, wetlands are useful foe which of the following
(a)For nutrient recovery and cycling
(b)For releasing heavy metals through absorption by plants
(c)In reducing saltation of rivers by retaining sediments
(d)All of the above
Answer is: D
389. Which of the following is not a greenhouse gas?
(a)Carbon dioxide
(b)Methane
(c)Nitrous oxide
(d)Nitrogen
Answer is: D
390. Vermicompost is a/an
(a)Inorganic fertilizer
(b)Toxic substance
(c)Organic bio fertilizer
(d)Synthesis fertilizer
Answer is: C
391. Consider the following statements
(a)Ozone is mostly found in the stratosphere
(b)Ozone layer lies 55-75 km above the surface of the earth
(c)Ozone absorbs ultraviolet radiation from the sun
(d)Ozone layer has no significance for life on the earth
Answer is: B
392. ‘Fixation of nitrogen’ implies
(a)The liquificationof nitrogen
(b)The conversion of nitrogen into amines
(c)The solidification of nitrogen gas into the atmosphere
(d)The conversion of atmospheric nitrogen into useful compounds
Answer is: D
393. Quinine is drug used in the treatment of malaria. From which part of the plant is it obtained?
(a)Roots
(b)Stem
(c)Bark
(d)Leaves
Answer is: C
394. The plant dye henna imparts orange-red colour to skin and hairs due to its reaction with which of the following?
(a)Proteins and amino acid
(b)Lipids
(c)Carbohydrates
(d)Nucleic acids
Answer is: A
395. Cloves, used as a spice, are derived from which of the following plant parts?
(a)Seeds
(b)Fruits
(c)Flower buds
(d)Young leaves
Answer is: C
396. The leaves used wrappers for bidis are obtained from which one of the following?
(a)Shikakai
(b)Rudraksha
(c)Lemon grass
(d)Tendu
Answer is: D
397. Soft drinks such as cocoa contain significant quantities of
(a)Caffeine
(b)Nicotine
(c)Tannin
(d)Renin
Answer is: A
398. Which one of the following plants is used for green manuring in India?
(a)Wheat
(b)Sunnhemp
(c)Cotton
(d)Rice
Answer is: B
399. Which one of the following is commonly used as a flavouring agent during the preparation of noodles?
(a)Saffron
(b)Cinnamon
(c)Olive oil
(d)Ajinmoto
Answer is: D
400. Golden fibre refers to
(a)Hemp
(b)Cotton
(c)Jute
(d)Nylon
Answer is: C
401. The anti-malarial drug quinine is made from a plant. The plant is
(a)Neem
(b)Eucalyptus
(c)Cinnamon
(d)Cinchona
Answer is: D
402. Endusulfan, which has been in news these days, is
(a)A pesticide
(b)A fertilizer
(c)A sulpha drug
(d)An antibiotic
Answer is: A
403. Chemically silk fibres are predominantly
(a)Carbohydrates
(b)Protein
(c)Complex lipid
(d)Mixture of polysaccharide and fat
Answer is: B
404. The naturel dye present in turmeric is known is
(a)Cinnamin
(b)Phenol phthalein
(c)Methyl orange
(d)Curcumin
Answer is: D
405. Atropine used for the dilation of eyes pupil in eye testing is obtained from
(a)A. Belladonna
(b)Neem
(c)Acacia
(d)Cinchona
Answer is: A
406. From which part of plant the ‘asafoetida or Heeng’ is obtained?
(a)Dried seeds
(b)Dried fruits
(c)Root Exude
(d)Stem exude
Answer is: C
407. Which one of the following is considered as the drug of last resort for human beings?
(a)Penicillin
(b)Tetracycline
(c)Chloramphenicol
(d)Streptomycin
Answer is: A
408. Which one of the following is responsible for the stimulating effect of tea?
(a)Tannin
(b)Steroid
(c)Alkaloid
(d)Flavonoid
Answer is: C
409. The genetically engineered golden rice is rich in which of the following?
(a)Vitamin-A and nicotinic acid
(b)B- carotene, vitamin-A and folic acid
(c)B-carotene and iron
(d)Vitamin-A and niacin
Answer is: B
410. Biotechnology is
(a)Use of microorganism in industrial process
(b)Development technology for medicine application
(c)Use of genetic engineering
(d)Technology used in biology
Answer is: D
411. Bt seed is associated with
(a)Rice
(b)Wheat
(c)Cotton
(d)Oilseed
Answer is: C
412. Hybridoma technology is a new biotechnological approach for commercial production of
(a)Monoclonal antibodies
(b)Interferon
(c)Antibiotic
(d)Alcohol
Answer is: A
413. Which one of the following chemicals is used to fuse plant protoplasts in genetic engineering?
(a)Ethylene
(b)Polyethylene glycol
(c)Calcium nitrate
(d)Sodium hydroxide
Answer is: B
414. Which one among the following is the ‘chemical knives’ (scissors) used in genetic engineering?
(a)Polymerase
(b)Ligases
(c)Endonucleases
(d)Plasmid
Answer is: C
415. Insect resistant cotton plants have been genetically engineered by inserting a gene from a/an
(a)Virus
(b)Bacterium
(c)Insect
(d)Plant
Answer is: B
416. The cutting of DNA at specific locations become possible with the discovery of
(a)Cloning
(b)Restriction endonuclease
(c)Restriction enzyme
(d)Vectors
Answer is: B
417. The method of reproduction of new plants by cells instead of seed is known as
(a)Tissue culture
(b)Mutation
(c)Antibiosis
(d)Recombination
Answer is: A
418. What is the purpose of the ‘restriction enzymes’ used in the genetic engineering?
(a)Restricts the protein synthesis in cells
(b)Cut DNA at specific base sequence
(c)Degrade harmful protein
(d)Join different DNA fragments
Answer is: C
419. The science of producing and using plants for food , fuel fibre and fertilizer is referred to be as
(a)Agronomy
(b)Horticulture
(c)Pisciculture
(d)Apiculture
Answer is: A
420. In India, which of the following has the highest share in the disbursement of credit to agriculture and allied activities?
(a)Cooperative banks
(b)Regional rural banks
(c)Commercial banks
(d)Micro finance institutions
Answer is: C
421. Due to flooding method of irrigation, which of the following consequence can be seen?
(a)Soil gets eroded and losses its texture
(b)Soil gets hard panned
(c)Soil profile gets hampered
(d)All of the above
Answer is: D
422. The leaf spot in the brinjal is caused by which of the following mycoplasma like organism?
(a)Alternaria
(b)Cercospora
(c)Erwinia
(d)Both (a) and (b)
Answer is: D
423. Which buffalo is called as ‘black gold’ in Haryana?
(a)Bhadavari
(b)Niti-Ravi
(c)Mehsana
(d)Murrah
Answer is: C
424. Which of the following soils are reclaimed by using gypsum?
(a)Acidic soil
(b)Saline soil
(c)Sodic soil
(d)Acid sulphate soil
Answer is: B
425. Which is the perennial variety of elephant grass(Napier grass)?
(a)PusaGaint
(b)PusaGaint Napier
(c)NB-21
(d)Napier-1
Answer is: B
426. Which of the following disease is not related to bajara ?
(a)Green ear
(b)Ergot
(c)Wilt
(d)Rust
Answer is: C
427. The most drought affected area of Maharashtra is
(a)Vidarbha
(b)Marathwada
(c)Sangli
(d)Kolhapur
Answer is: A
428. Which one of the following plants is preferred for mixed cropping in order to enhance the bio availability of nitrogen?
(a)Wheat
(b)Gram
(c)Maize
(d)Barley
Answer is: A
429. What is mixed farming?
(a)Growing of several crops in a planned way
(b)Growing Rabi as well as Kharif crops
(c)Growing several crops and rearing animals
(d)Growing of fruits as well as vegetables
Answer is: C
430. Which of the following gases is released from rice fields in the most prominent quantities?
(a)Carbon dioxide
(b)Methane
(c)Carbon monoxide
(d)Sulphur dioxide
Answer is: B
431. Which among the following is the oldest board under the department of commerce?
(a)The rubber board
(b)The tea board
(c)The coffee board
(d)The tobacco board
Answer is: C
432. Which of the following sucking pest belongs to the cash crop sugarcane?
(a)Sugarcane pyrilla
(b)Tea bug
(c)Spider mites
(d)Preying mantis
Answer is: A
433. Which one of the following is an organic insecticide, pesticide which is used on large scale?
(a)Neem extract
(b)Egg yolk
(c)Tartarate extract
(d)Tricho extract
Answer is: A
434. Which one of the following insecticides are not banned?
(a)BHC and DDT
(b)Lindane
(c)Endosulphane
(d)Malathion
Answer is: D
435. What is the casual organism of the disease ‘fire blight of apple’?
(a)Pythium sp.
(b)Pseudomonas sp.
(c)Erwiniaamylovora
(d)Phytophthorainfestans
Answer is: C
436. The cloned sheep ‘Dolly’ was created through which of the following technique given below?
(a)Gene transfer
(b)Nuclear transfer
(c)Somatic cell transfer
(d)Germinal cell transfer
Answer is: A
437. ‘Operation Flood’ programme was launched in the year
(a)1970
(b)1971
(c)1972
(d)1973
Answer is: A
438. What is the reason behind the yellowish colour of milk of buffalo?
(a)It contains more fat
(b)It contains more acid
(c)It contains more sugar
(d)It contains more calcium
Answer is: D
439. The number of chromosomes are found in the river buffalo is
(a)2n=48
(b)2n=38
(c)2n=58
(d)2n=50
Answer is: D
440. The toxic role of which one of the following is observed in the condition known as teart?
(a)Nickel
(b)Selenium
(c)Molybdenum
(d)Zinc
Answer is: C
441. What is the energy value of milk fat?
(a)3 kcl/g
(b)6 kcl/g
(c)9 kcl/g
(d)12 kcl/g
Answer is: D
442. Which of the following part of a neck region of a zebu cattle is prominently developed, while it is absent in the buffaloes and exotic cattle?
(a)Brisket
(b)Neck
(c)Dewlap
(d)None of these
Answer is: C
443. Which of the following body part situated I between vulva and udder and indicates the milk producing ability?
(a)Milk vein
(b)Milk mirror
(c)Udder
(d)Vulva
Answer is: B
444. What is the reason behind the cattle’s are not feed by young jowar fodder?
(a)Because it has no palatability
(b)Because it has not preferred by cattle
(c)Because it contains HCN
(d)None of the above
Answer is: C
445. The species for which selective breeding should be the best strategy for enhancing their performance traits in our condition, is
(a)Buffalo
(b)Rabbit
(c)Sheep
(d)poultry
Answer is: A
446. Which of the following breed has easily adapted to the India climate but is cosmopolitan in origin?
(a)HF
(b)Jersey
(c)Sahiwal
(d)None of the above
Answer is: B
447. Which one among the following indicates a healthy feature of camel?
(a)Thick footpads
(b)Long eyelash
(c)High hump
(d)Presence of long nostrils
Answer is: C
448. In the animal breeding, which one among the following benefits cannot be derived through artificial insemination?
(a)Control of spread of disease
(b)Overcoming sterility problems
(c)Decreasing incidences of genetic defects
(d)Decrease in gestation period
Answer is: D
449. NIS stands for
(a)National information sector
(b)National infectious diseases seminar
(c)National irrigation schedule
(d)National immunization schedule
Answer is: A
450. What type of disease is a ringworm?
(a)Bacterial
(b)Protozoal
(c)Viral
(d)Fungal
Answer is: D
451. The pashmina is a variety of wool, which is obtained from
(a)Goat
(b)Sheep
(c)Cow
(d)Horse
Answer is: A
452. The sum of all organic digestible nutrients that are present in the feed is known as
(a)Total digestible nutrients
(b)Digestible crude protein
(c)Non-digestible nutrients
(d)Net energy
Answer is: A
453. Suri, Mehsana and Jaffarabadi belongs to which of the following group?
(a)Gujarat group
(b)UP group
(c)Central India group
(d)South India group
Answer is: A
454. Which of the following is the chief characteristic of ‘mixed farming’?
(a)Cultivation of both cash crop and food crops
(b)Cultivation of two or more crops in the same field
(c)Rearing of animals and cultivation of crops together
(d)None of the above
Answer is: C
455. What is the scientific name of National Tree (Banyan) of India?
(a)Ficus benghalensis
(b)Azadirachta indica
(c)Techona grandis
(d)Anthocephalus indicus
Answer is: A
456. Some Plants are killed in winter by frost
(a)Because no photosynthesis takes place at such low temperature C).
(b)Because respiration ceases at such low temperature
(c)Because there is no transpiration
(d)Because of desiccation and mechanical damage to the tissues
Answer is: D
457. Number of chromosomes in Down’s syndrome is
(a)44
(b)45
(c)46
(d)47
Answer is: D
458. Water of rain helps to increase the ____ to some extent.
(a)Phosphorous contents
(b)Calcium contents
(c)Nitrogen contents
(d)Potash contents
Answer is: B
459. Mumps is a disease due to
(a)Bacterium
(b)Virus
(c)Fungus
(d)None of these
Answer is: B
460. Most abundant tissues of our body have
(a)Muscular
(b)Epithelial
(c)Nervous
(d)Skeletal Muscle
Answer is: D
461. Most common disease of poultry in India is
(a)Fowl pox
(b)Tick fever
(c)Ranikhet
(d)Coryza
Answer is: C
462. Ptyalin is an enzyme produced in the
(a)Salivary glands
(b)Thyroid glands
(c)Pancreas
(d)Pituitary glands
Answer is: A
463. Nitrogen is fixed in ecosystems in ways stated below.
Which statements is false?
(a)By electrical discharges in the atmosphere
(b)By industrially synthesised fertilizer
(c)By denitrification
(d)By cyanobacteria
Answer is: C
464. The pollen grains in plants are produced in
(a)Flower
(b)Roots
(c)Stem
(d)Leaves
Answer is: A
465. Pollination due to wind is called
(a)Hydrophily
(b)Anemophily
(c)Entomophily
(d)Zoophily
Answer is: B
466. Mutation is
(a)A change which affects the offspring of F2 generation only
(b)A change that is inherited
(c)A change which affects the parents
(d)A factor responsible for plant growth
Answer is: B
467. Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of
(a)Enzymes
(b)Hormones
(c)Vitamins
(d)Proteins
Answer is: A
468. Radish is a
(a)Bulb B). conn C). modified root D). tuber
(b)Modified root
(c)Tuber
(d)Conn
Answer is: B
469. Outer covering of virus produce of protein is
(a)Capsid
(b)Virion
(c)Coat
(d)Viriod
Answer is: A
470. Movements due to light are shown by
(a)Flowering plants
(b)Lower plants
(c)All land plants
(d)All the plants
Answer is: A
471. Our mostly foods, fibres, spices, fruits and beverage crops are
(a)Pteridophytes
(b)Bryophytes
(c)Gymnosperms plants
(d)Flowering plants
Answer is: D
472. Organic Substances which, in very small amounts, control growth and development called
(a)Hormones
(b)Vitamins
(c)Enzymes
(d)None of the above
Answer is: A
473. Radioactivity is a phenomenon of the spontaneous emission of
(a)Electrons (beta particles)
(b)Gamma rays (short wave electromagnetic waves)
(c)Protons (alpha particles)
(d)All of the above
Answer is: D
474. Plants that grow low average temperature and moisture are called
(a)Halophytes
(b)Hydrophytes
(c)Xerophytes
(d)Mesophytes
Answer is: D
475. One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor’s statement?
(a)You need to be vaccinated instead of taking an antibiotic
(b)You are infected by a virus
(c)Having waited a day, it is too late to take an antibiotic
(d)You need an antiseptic, not an antibiotic
Answer is: B
476. Consider the following statements:
1. Non-function of lachrymal gland is an important symptom of deficiency of Vitamin A
2. Deficiency of Vitamin B, can lead to indigestion and heart enlargement
3. Vitamin C deficiency can lead to pain in the muscles
4. Deficiency of Vitamin D causes increased loss of Ca++ in urine
Which of the statements given above are correct?
(a)1 and 2
(b)2, 3 and 4
(c)1, 3 and 4
(d)1, 2, 3 and 4
Answer is: C
477. In which organ of the human body are the lymphocyte cells produced?
(a)Spleen
(b)Liver
(c)Mind
(d)Pancreas
Answer is: A
478. Consider the following statements:
1. Toothless mammals such as pangolins are not found in India
2. Gibbon is the only ape found in India
Which of the statements given above are correct?
(a)1 only
(b)2 only
(c)Both 1 and 2
(d)Neither 1 nor 2
Answer is: B
479. The insulin hormone is a :
(a)Glycolipid
(b)Fatty acid
(c)Peptide
(d)Sterol
Answer is: C
480. Consider the following statements :
1. Femur is the longest bone in the human
2. Cholera is a disease caused by bacteria
3. ‘Athlete’s foot’ is a disease caused by virus
Which of the statements given above are correct?
(a)1 and 3
(b)2 and 3
(c)1 and 2
(d)1, 2 and 3
Answer is: C
481. Match the following :
A. Adrenalin 1. Anger, fear, danger
B. Estrogen 2. Attracting partners through sense of smell
C. Insulin 3. Females
D. Pheromones 4. Glucose
Below options are given in A B C D order
(a)3 1 4 2
(b)1 3 2 4
(c)3 1 2 4
(d)1 3 4 2
Answer is: D
482. Consumption of fish is considered to be healthy when compared to flesh of other animals because fish contains:
(a)Polyunsaturated fatty acids
(b)Saturated fatty acids
(c)More carbohydrates and proteins
(d)Essential vitamins
Answer is: A
483. Match the following:
A. Fruit 1. Ovule
B. Seed 2. Leaf
C. Wood 3. Stem
D. Starch 4. Ovary
A B C D
(a)2 1 3 4
(b)2 3 1 4
(c)4 3 1 2
(d)4 1 3 2
Answer is: D
484. Consider the following statements :
1. Frogs can breath by means of lungs only when they are adults
2. Reptiles breath by means of lungs right from the birth
Which of the statements given above is/are correct?
(a)1 only
(b)2 only
(c)Both 1 and 2
(d)Neither 1 nor 2
Answer is: C
485. Which one is useful in the detection of landmines.
(a)Bee
(b)Wasp
(c)Mouse
(d)Parrot
Answer is: B
486. The comers of the cells of collenchyma tissue in plants are thickened due to the deposition of :
(a)Lignin and Suberin
(b)Cellulose and Peetin
(c)Chitin and Lignin
(d)Suberin and Cutin
Answer is: B
487. Match List-I with List-II and select the correct answer :
A. Malaria 1. Fungi
B. Poliomyelities 2. Bacteria
C. Tuberculosis 3. Virus
D. Ringworm 4. Protozoan
A B C D
(a)4 3 1 2
(b)3 4 2 1
(c)4 3 2 1
(d)3 4 1 2
Answer is: C
488. Alpha-keratin is a protein present in :
(a)Blood
(b)Egg
(c)Hair
(d)Wool
Answer is: D
489. Consider the following statements :
1. The spider is an insect
2. The spider has eight legs
3. The spider has no wings
Which of these statements is/are correct?
(a)1 and 3
(b)2 and 3
(c)1 and 2
(d)3 only
Answer is: B
490. Consider the following worms :
1. Filaira worm
2. Guinea worm
3. Hookworm
4. Pinworm
Which of the above worms are nematodes?
(a)1 and 2
(b)1, 2 and 3
(c)1, 2 and 4
(d)1, 2, 3 and 4
Answer is: D
491. The Hepatitis-B, which affects liver, is actually a :
(a)Virus
(b)Protozoan
(c)Helminth
(d)Bacterium
Answer is: A
492. The short upper part of the human intestine next to the stomach is called :
(a)Jejunum
(b)Duodenum
(c)Caecum
(d)Lieum
Answer is: B
493. Which one of the following is not a mammal?
(a)Bat
(b)Duck-billed platypus
(c)Shark
(d)Whale
Answer is: C
494. Consider the following statements :
1. Euglena is a procaryotic organism
2. Blue-green algae are eucaryotic organisms
Which of the statements given above is/are correct?
(a)1 only
(b)2 only
(c)Both 1 and 2
(d)Neither 1 nor 2
Answer is: A
495. The phenomenon by which water molecules move from a weaker solution to a stronger solution through a semi-permeable membrane is called :
(a)Diffusion
(b)Translocation
(c)Osmosis
(d)Transpiration
Answer is: C
496. In the human eye, the focusing is done by :
(a)Change in the refractive index of the eye fluids
(b)Change in the convexity of the eye lens
(c)To and fro movement of the eye lens
(d)To and fro movement of the retina
Answer is: C
497. Match the following :
Disease Organism
A. Cholera 1. Bacterium
B. Mumps 2. Fungus
C. Ringworm 3. Protozoa
D. Sleeping sickness 4. Virus
A B C D
(a)1 2 4 3
(b)3 4 2 1
(c)3 2 4 1
(d)1 4 2 3
Answer is: D
498. Consider the following vitamins :
1. Niacin 2. Pyridoxin 3. Riboflavin 4. Thiamine
Which of these are water-soluble vitamins?
(a)1, 2 and 3
(b)1, 2, 3 and 4
(c)2, 3 and 4
(d)1 and 4
Answer is: B
499. Match the following :
A. Theory of Mutation 1. Beadk and Tatum
B. Theory of Evolution 2. Jacob and Monod
C. One gene one enzyme hypothesis 3. Darwin
D. Operon concept 4. DeVries
A B C D
(a)4 3 1 2
(b)4 3 2 1
(c)3 4 2 1
(d)3 4 1 2
Answer is: A
500. Which one of the following techniques can be used to recognize the paternity of a child?
(a)Protein analysis
(b)Quantitative analysis of DNA
(c)DNA finger printing
(d)Chromosome counting
Answer is: C
501. In human body, the pancreas secretes its enzymes into which one of the following?
(a)Duodenum
(b)Jejunum
(c)Ileum
(d)Stomach
Answer is: A
502. Following food items, which one has the highest amount of carbohydrates?
(a)Banana
(b)Orange
(c)Apple
(d)Mango
Answer is: A
503. Which among the following is the richest source of ascorbic acid?
(a)Orange
(b)Guava
(c)Banana
(d)Apple
Answer is: B
504. Match the following:
A. Red blood cells 1. Leucocytes
B. White blood cells 2. Erythrocytes
C. Platelets 3. Thrombocytes
A B C
(a)1 2 3
(b)3 1 2
(c)2 3 1
(d)2 1 3
Answer is: D
505. Desert plants would be characterised by:
(a)Aerenchyma
(b)Vivipary
(c)Sunken stomata
(d)Aerial roots
Answer is: C
506. Flowers take colors due to :
(a)Melanin
(b)Phytochromes
(c)Anthocyanins
(d)Chlorophyll
Answer is: C
507. Which of the following combinations are incorrect?
1. Asthma – Lung
2. Influenza – Respiratory tract
3. Rickets – Pancreas
4. Malaria – Spleen
(a)1 and 3
(b)1 and 2
(c)3 and 4
(d)2 and 4
Answer is: C
508. Which of the following diseases is hereditary?
(a)Cancer
(b)Dysentery
(c)Tuberculosis
(d)Haemophilia
Answer is: D
509. The sweetest sugar is ?
(a)Sucrose
(b)Fructose
(c)Lactose
(d)Glucose
Answer is: B
510. Which of the following statements are true in relation to transpiration and water movements in plants?
1. Removing all the leaves from a plant will reduce the flow of water up the stem.
2. Covering both sides of a leaf with a plastic film will reduce both stomatal and cuticular transpiration.
3. Injecting detergents (which lower the surface tension of water) into the xylem of tree trunk could prevent water from reaching the upper branches.
4. Along most of its route through a plant, water moves by diffusion either along cell walls or across protoplasts.
(a)1, 3 and 4
(b)1, 2 and 3
(c)1, 2 and 4
(d)2, 3 and 4
Answer is: C
511. The largest flower in the world is that of ?
(a)Rafflesis
(b)Giant cactus
(c)Lotus
(d)None of these
Answer is: A
512. When a colourblind male marries a normal woman not carrying the gene for colour-blindness, their offspring’s will be :
(a)Normal sons and carrier daughters
(b)Normal sons and normal daughters
(c)Color-blind sons and carrier daughters
(d)Normal daughters and colour-blind sons
Answer is: A
513. Which of the following practices enhance the nutrient content of food?
1. Deep frying
2. Fermentation
3. Sprouting
(a)2 and 3
(b)1, 2 and 3
(c)1 and 3
(d)1 and 2
Answer is: A
514. DPT is a vaccine for :
(a)Diphttheria, whooping cough and typhoid
(b)Diphtheria, polio and tetanus
(c)Diarrhoea, polio and typhoid
(d)Diphtheria, whooping cough and tetanus
Answer is: D
515. Which one of the following sets is correctly matched ?
(a)Colour blindness, Haemophilia and Sickle cell anaemia : Sex linked
(b)Diphtheria, Pneumonia and Leprosy : Hereditary
(c)Polio, Japanese B ancephalitis and Plague : Viral
(d)AIDS, Syphilis and Gonorrhoea : Bacterial
Answer is: A
516. Which of the following symptoms are most likely to be observed in a person suffering from scurvy?
1. Swelling and bleeding of gums
2. Dry and scaly skin
3. Decreased resistance to cold
4. Soreness of mouth
(a)2 and 4
(b)1 and 3
(c)1, 2 and 3
(d)1, 3 and 4
Answer is: B
517. Which vitamin is provided by sunlight to the body ?
(a)Vitamin A
(b)Vitamin C
(c)Vitamin D
(d)Vitamin B
Answer is: C
518. Which one of the following is the correct group of diseases exclusively caused by virus ?
(a)Cholera, tuberculosis, meningitis, syphilis
(b)Measles, small pox, mumps, rabies
(c)Poliomyelitis, syphilis, chicken pox, mumps
(d)Measles, syphilis, rabies, cholera
Answer is: B
519. The vitamin which is very liable and easily destroyed during cooking as well as storage is ?
(a)Vitamin A
(b)Vitamin B6
(c)Vitamin C
(d)Vitamin K
Answer is: C
520. The compound used in anti-malarial drug is ?
(a)Neoprene
(b)Isoprene
(c)Chloroquin
(d)Aspirin
Answer is: C
521. Which of the following is a skin disease?
(a)Anaemia
(b)Osteomalacia
(c)Rickets
(d)Pellagra
Answer is: D
522. Which of the following vitamins is essential for poor bone and teeth formation ?
(a)Vitamin A
(b)Vitamin B
(c)Vitamin C
(d)Vitamin D
Answer is: D
523. Healing of wounds is hastened by vitamin ?
(a)A
(b)C
(c)B
(d)D
Answer is: B
524. A person having obesity is more likely to suffer from which of the following diseases ?
1. Hypertension
2. Diabetes
3. Coronary attack
(a)2 and 3
(b)1 and 3
(c)1 and 2
(d)1, 2 and 3
Answer is: D
525. BCG vaccination (Bacillus Calmette Guerine) is injected to get immunity from ?
(a)Polio
(b)Small pox
(c)Cholera
(d)Tuberculosis
Answer is: D
526. Milk of Mother lacks :
1. Vitamin
2. Proteins
3. Sodium
4. Tuberculosis
(a)1 and 3
(b)1 and 4
(c)2 and 3
(d)2 and 4
Answer is: B
527. Which of the following are true about kwashiorkar disease?
1. It occurs in infants upto 1 year of age.
2. It is characterised by oedema i.e. swelling of the body.
3. The skin of the person suffering from becomes dry and hair turns reddish.
4. It can be cured by giving a protein-rich diet.
(a)1, 3 and 4
(b)1, 2 and 4
(c)2, 3 and 4
(d)1, 2 and 3
Answer is: C
528. Match the following :
A. Air-borne 1. Tetanus
B. Water borne 2. Tuberculosis
C. Contact 3. Cholera
D. Wound 4. Syphilis
A B C D
(a). 4 3 2 1
(b)2 3 4 1
(c)3 2 4 1
(d)2 3 1 4
Answer is: B
529. The richest source of vitamin D is ?
(a)Cod liver oil
(b)Spinach
(c)Cheese
(d)Milk
Answer is: A
530. What is the importance of roughage in our diet?
1. It helps in retaining water in the body
2. It is necessary for normal functioning of the liver
3. It adds bulk to the food and prevents constipation
(a)2 and 3
(b)1 and 3
(c)3 only
(d)1 and 2
Answer is: B
531. Which of the following vitamins is synthesised in the body by intestinal bacteria?
(a)Vitamin B1
(b)Vitamin D
(c)Vitamin K
(d)Vitamin B4
Answer is: C
532. Which acid is produced when milk gets sour ?
(a)Lactic acid
(b)Formic acid
(c)Butyric acid
(d)Tartaric acid
Answer is: A
533. Which of the following vitamins can be synthesised by our body?
1. Vitamin B6
2.Vitamin D
3.Vitamin E
4. Vitamin K
(a)2 and 3
(b)2 and 4
(c)1 and 4
(d)1 and 2
Answer is: B
534. Two richest known sources of edible protein are ?
(a)Soya bean and groundnut
(b)Some algae and other micro-organisms
(c)Meat and eggs
(d)Milk and vegetables
Answer is: A
535. Which of the following are correctly matched?
1. Haemoglobin – Transport protein
2. Myosin and acting – Contractile
3. Collagen proteins – structural
4. Gamma globulins – Protective proteins
(a)1, 2 and 3
(b)1, 2 and 4
(c)1, 2, 3 and 4
(d)1, 3 and 4
Answer is: C
536. Which nutrients are most likely to be affected by food processing and storage ?
(a)Carbohydrates
(b)Proteins
(c)Fats
(d)Vitamins
Answer is: D
537. Three communicable diseases prevalent in developing countries caused by unsafe drinking water and bad sanitation are :
(a)Rheumatism, malaria and AIDS
(b)Malaria, acute diarrhoea and schistosomiasis
(c)Onchocerciasis, leukaemia and arthritis
(d)Acute diarrhoea, cancer and gout
Answer is: B
538. A woman who weighs 45 kg and whose work involves a lot of physical exertion needs ?
(a)3000 calories per day
(b)3400 calories per day
(c)2700 calories per day
(d)2400 calories per day
Answer is: A
539. Which of the following vegetable proteins is considered as good as an animal protein ?
(a)Corn protein
(b)Wheat protein
(c)Soya bean protein
(d)Bengal gram protein
Answer is: C
540. Carotene in Indian cow’s milk causes ?
(a)Yellow colour
(b)Deep yellow colour
(c)Creamish white colour
(d)No change
Answer is: A
541. The most important requirement for the people of a flood hit area is :
(a)Small pox vaccination
(b)BCG injection
(c)Inoculation against cholera
(d)None of these
Answer is: C
542. Which of the following groups contains only antibiotics ?
(a)Penicillin, tetramycin, streptomycin
(b)Penicillin, streptomycin, ACTH
(c)Sulphanilamide, DNA, penicillin
(d)Chloromycein, tetramycin, cortisone
Answer is: A
543. Match the following:
A. BCG Vaccine 1. Malaria
2. BPL Vaccine 2. sore throat
C. Chloroquin 3. Tuberculosis
4. Penicillin 4. Rabies
A B C D
(a)4 3 2 1
(b)3 4 1 2
(c)3 4 2 1
(d)3 4 2 1
Answer is: B
544. Oncogene is responsible for :
(a)Cancer
(b)Malaria
(c)Typhoid
(d)AIDS
Answer is: A
545. Four mineral nutrients required in large quantities by humans are :
(a)Phosphorus, calcium, sodium and magnesium
(b)Calcium, sulphur, molybdenum and zinc
(c)Potassium, copper, manganese and calcium
(d)Nitrogen, potassium, manganese and cobalt
Answer is: A
546. Haemophilia is a hereditary disease carried by :
(a)Males and expressed by females
(b)Females and expressed by males
(c)Males and expressed by males
(d)Females and expressed by females
Answer is: B
547. The combination of foods providing protein quality nearest to that of meat is ?
(a)Sprouted gram and groundnuts
(b)Wheat, dal and groundnuts
(c)Bread and butter
(d)Groundnuts and jaggery
Answer is: A
548. Which of the tailoring statements about AIDS is correct ?
(a)It does not affect women
(b)AIDS virus can vary its genetic code outwitting a vaccine
(c)It generally affects the brain
(d)All those infected by a blood transfusion get AIDS within five years
Answer is: B
549. In the balanced dietaries for a day of an adult working man, weights of food (both superior and inferior) should be in order of ?
(a)420 gm and 420 gm respectively
(b)600 gm and 600 gm respectively
(c)420 gm and 500 gm respectively
(d)600 gm and 420 gm respectively
Answer is: D
550. Which of the following are correctly matched?
1. Tse tse fly – Sleeping sickness
2. Female antopheles mosquito – Malaria
3. Sand fly – Kala azar
(a)1 and 3
(b)2 and 3
(c)1 and 2
(d)1, 2 and 3
Answer is: D
551. Which of the following elements are present in all proteins?
1. Carbon 2. Hydrogen 3. Oxygen 4. Nitrogen
(a)2 and 3
(b)1, 2, 3 and 4
(c)1, 2 and 4
(d)1, 3 and 4
Answer is: B
552. Arrange the following in descending order of calorie content per 100 gram and choose the correct answer :
1. Banana 2. Sugar 3. Rice 4. Potato
A).
(a)3, 2, 4, 1
(b)2, 4, 3, 1
(c)3, 4, 2, 1
(d)2, 3, 4, 1
Answer is: D
553. Which of the following disease is inheritable?
(a)Malignancy
(b)Leukaemia
(c)Colour blindness
(d)Hepatitis
Answer is: C
554. Which of the following is least infectious?
(a)Hepatitis
(b)Conjunctivitis
(c)Leprosy
(d)Tuberculosis
Answer is: C
555. Which of the following is not a mosquito borne disease ?
(a)Dengue fever
(b)Sleeping sickness
(c)Filariasis
(d)Malaria
Answer is: B
556. Which of the following is not a mosquito borne disease ?
(a)Dengue fever
(b)Sleeping sickness
(c)Filariasis
(d)Malaria
Answer is: B
557. Which of the following is not a mosquito borne disease ?
(a)Dengue fever
(b)Sleeping sickness
(c)Filariasis
(d)Malaria
Answer is: B
558. Which of the following is not a mosquito borne disease ?
(a)Dengue fever
(b)Sleeping sickness
(c)Filariasis
(d)Malaria
Answer is: B
559. Match the following :
Pulse Protein %
A. Cow pea 1. 22.9
B. Rajmah 2. 43.2
C. Soyabean 3. 24.1
D. Dry peas 4. 19.7
A B C D
(a)1 2 3 4
(b)1 4 3 2
(c)4 3 1 2
(d)3 1 2 4
Answer is: D
560. Match the following :
Pulse Protein %
A. Cow pea 1. 22.9
B. Rajmah 2. 43.2
C. Soyabean 3. 24.1
D. Dry peas 4. 19.7
A B C D
(a)1 2 3 4
(b)1 4 3 2
(c)4 3 1 2
(d)3 1 2 4
Answer is: D
561. Which of the following pairs is correctly matched?
Disease Causative agent
(a)Tetanus Haemophilus Pertussis
(b)Filaria Wuchereria bancrofti
(c)Pneumonia Sarcoptes sps
(d)Scabies Entamoeba histolytica
Answer is: B
562. Which of the following are correct?
1. Nicotine occurs in tobacco plant.
2. Morphine occurs in green buds of poppy plant.
3. Cocaine is used as a local anaesthetic.
(a)1, 2 and 3
(b)1 and 3
(c)1 and 2
(d)2 and 3
Answer is: A
563. Match the following :
A. Iron 1. Activator of enzymes
B. Magnesium 2. Transfer of electron in photosynthesis
C. Chlorine 3. Synthesis of fats
D. Nitrogen 4. Synthesis of proteins
A B C D
(a)1 4 2 3
(b)3 1 4 2
(c)1 3 2 4
(d)4 2 1 3
Answer is: C
564. The human body needs the following vitamins. Arrange them in the increasing order of their requirement.
1. Vitamin A 2. Vitamin D 3. Vitamin E 4. Vitamin K
(a)4, 3, 2, 1
(b)1, 2, 3, 4
(c)4, 2, 1, 3
(d)3, 1, 2, 4
Answer is: A
565. Match the following :
A. Starch 1. Mustard
B. Glucose 2. Potato
C. Sucrose 3. Grape
D. Oil 4. Sugarcane
A B C D
(a)2 3 4 1
(b)2 4 3 1
(c)4 3 2 1
(d)4 1 2 3
Answer is: A
566. Match the following :
A. Typhoid 1. Metabolic disorder
B. Measles 2. Bacteria
C. Malaria 3. Virus
D. Diabetes 4. Protozoa
A B C D
(a)1 2 3 4
(b)4 3 2 1
(c)2 3 4 1
(d)3 2 4 1
Answer is: C
567. Regarding bacteriophages it is true to say that :
1. It is a virus which infects a bacterium
2. It consists of protein ad nucleic acid
3. It has both DNA and RNA
(a)1 and 2
(b)1 and 3
(c)1, 2 and 3
(d)2 only
Answer is: A
568. Which one of the following statements is correct ?
(a)All proteins are enzymes
(b)Some enzymes are proteins
(c)All enzymes are proteins
(d)Only bacterial enzymes are not proteins
Answer is: C
569. I certain amino acids, which one of the following elements is found in addition to carbon, hydrogen, nitrogen and oxygen ?
(a)Phosphorus
(b)Zinc
(c)Calcium
(d)Sulphur
Answer is: D
570. During sleep a man’s blood pressure :
(a)Decreases
(b)Fluctuates
(c)Increases
(d)Remains constant
Answer is: A
571. Which one of the following forms an irreversible complex with haemoglobin of blood ?
(a)Pure nitrogen gas
(b)Carbon dioxide
(c)Carbon monoxide
(d)A mixture of carbon dioxide
Answer is: C
572. Sugar syrup is used for the preservation of fruits because it :
(a)Drains moisture to inhibit growth of microorganisms
(b)Kills the microorganisms present in them
(c)Mixes well with the fruits
(d)Helps to improve their taste and flavour
Answer is: A
573. Bionics is the science of :
1. application of mathematics to the study of living things
2. application of the knowledge of the living world characteristics to the world of machines
3. study of relation of an organism to its environment
4. study of laws of life
(a)2 only
(b)1 and 2
(c)3 only
(d)1 and 4
Answer is: B
574. The oxygen that keeps is a product of photosynthesis. It comes from ?
(a)Carbonates absorbed from soil
(b)Carbon dioxide
(c)Oxides of mineral elements
(d)Water
Answer is: D
575. Milk tastes sour when kept in the open for some time due to the formation of
(a)Carbonic acid
(b)Lactic acid
(c)Malic acid
(d)Citric acid
Answer is: B
576. Prokaryotes are
(a)Primitive plants without vascular systems
(b)Organisms lacking a definite nucleus
(c)Animals without well-developed nervous system
(d)Plants that do not produce flowers and fruits
Answer is: B
577. Honey that has a high concentration of sugar does not decay because
(a)Bacteria cannot survive in an active state as it is totally deprived of oxygen
(b)It contains natural antioxidant that prevents bacteria attack
(c)Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out
(d)None of these
Answer is: C
578. The chromosome number in a bacterium is
(a)1
(b)2
(c)4
(d)3
Answer is: A
579. A plant cell is distinguished from an animal cell by the presence of
(a)Chloroplasts
(b)Cell membrane
(c)Nucleus
(d)Cell wall
Answer is: D
580. On chemical analysis, a bottle-cork is found to contain primarily
(a)Carbohydrates
(b)Tannins
(c)Lipids
(d)Proteins
Answer is: A
581. Which of the following plant disease is caused by mineral deficiency ?
(a)Heart rot of beetroots
(b)Wilt of cotton
(c)Ring rot of potato
(d)Red rot of sugarcane
Answer is: A
582. Which of the following organelles is termed the powerhouse of a cell ?
(a)Golgi apparatus
(b)Mitochondrion
(c)Chloroplasts
(d)Nucleus
Answer is: B
583. Granum is a component of
(a)Chloroplasts
(b)Rribosomes
(c)Golgi apparatus
(d)Starch grains
Answer is: A
584. In a Plant cell, DNA is found in
(a)Chloroplasts
(b)Nucleus
(c)Mitochondria
(d)All of these
Answer is: D
585. Cell sap is
(a)Exudate from the cell
(b)A dilute solution of minerals and some organic substances in the vacuole
(c)A dilute solution of minerals in water absorbed by the plant from the soil
(d)A solution of different organic substances dissolved in the cytoplasm
Answer is: B
586. The edible part is a fruit in which 0ne of the following crops ?
(a)Groundnut
(b)Pea
(c)Coconut
(d)Wheat
Answer is: D
587. The virus that infects a bacterium is
(a)Arbovirus
(b)Bacteriophage
(c)Baclofen
(d)Vireamia
Answer is: B
588. Binomial nomenclature refers to
(a)Naming a plant/animal twice
(b)Two names of a living organism– scientific name and a local name
(c)Scientific naming of an organism consisting of two words
(d)Two phases in the life of an organism
Answer is: C
589. To which group of plants does the banyan tree belong ?
(a)Pheophyta
(b)Pteridophytes
(c)Angiosperms
(d)Gymnosperms
Answer is: C
590. A liverwort is ?
(a)A land plant without differentiation into root, stem, and leaves
(b)An animal parasite infecting the liver
(c)A kind of bacterium infecting we liver
(d)A plant with its flowers shaped like the human liver
Answer is: A
591. A liverwort is ?
(a)A land plant without differentiation into root, stem, and leaves
(b)An animal parasite infecting the liver
(c)A kind of bacterium infecting we liver
(d)A plant with its flowers shaped like the human liver
Answer is: A
592. A herbarium is
(a)A collection of herbs in dried form
(b)A garden with a collection of medicinal herbs
(c)A centre for the preservation of dried specimen of plants
(d)A garden with a varied collection of herbs
Answer is: C
593. Taxonomy is a science dealing with the
(a)Classification of all living organisms
(b)Classification of plants
(c)Structure and function Of living organisms
(d)Identification, nomenclature, and classification of all living organisms
Answer is: D
594. The widely used antibiotic, penicillin, is produced by
(a)An alga
(b)A fungus
(c)Synthetic means
(d)A bacterium
Answer is: B
595. Lichen is considered to be a symbiotic association of two living organisms. Which organisms are involved in it?
(a)Algae and bacteria
(b)Algae and fungus
(c)Fungi and bryophytes
(d)Algae and bryophytes
Answer is: B
596. Agar, commonly used as a synthetic growth medium and in bakery, is obtained from
(a)Mosses
(b)Cycas
(c)Pine
(d)Algae
Answer is: D
597. Which of the following human disease/s is/are caused by a mutant gene?
(a)Thalassemia
(b)Hemophilia
(c)Sickle cell anaemia
(d)All the above
Answer is: D
598. Which of the following shows a taxonomically closely-related group ?
(a)Sea horse, sea anemone, sea urchin
(b)Silverfish, cuttlefish, starfish
(c)Earthworm, ringworm, tape-worm
(d)Housefly, dragonfly, butterfly
Answer is: D
599. Which of the following is not a parasite ?
(a)Louse
(b)Tick
(c)Housefly
(d)Mosquito
Answer is: C
600. Which of the following moves the fastest ?
(a)Amoeba
(b)Sea anemone
(c)Bath sponge
(d)All of these
Answer is: A
601. Yellow proteins are
(a)Flavoproteins
(b)Carotenes
(c)Xanthophylls
(d)All of above
Answer is: A
602. Which one of the following plant organs is an organ of respiration?
(a)Leaf
(b)Flower
(c)Root
(d)None of these
Answer is: D
603. The numerous minute pores in the epidermis of a leaf are called
(a)Stomata
(b)Hydathodes
(c)Perforation
(d)Lenticels
Answer is: A
604. In some plants, water oozes through certain pores that remain permanently open. This phenomenon is called ?
(a)Guttation
(b)Transpiration
(c)Vaporization
(d)Evaporation
Answer is: A
605. Which one of the following isnot a stem modification?
(a)Ginger
(b)Arrowroot
(c)Garlic
(d)Sweet potato
Answer is: D
606. From which part of the plant is turmeric a commonly-used colourant and antiseptic obtained ?
(a)Root
(b)Fruit
(c)Stem
(d)Flower
Answer is: C
607. Clove, the commonly used spice, is obtained from the
(a)Stem
(b)Fruit
(c)Root
(d)Flower bud
608. Hashish is obtained from a plant. From which part of the plant is it obtained ?
(a)Exudate from stem and male inflorescence
(b)Stem
(c)Exudate from leaves and female inflores
(d)Leaves
Answer is: C
609. Cotton fibre is obtained from the
(a)Stem
(b)Leaf
(c)Seed
(d)Fruit
Answer is: C
610. The living and growing part of human hair is ?
(a)Hair root
(b)Hair follicle
(c)Hair papilla
(d)Hair shaft
Answer is: A
611. Grey matter consists of
(a)A large number of neurons
(b)A large number of nerve cell bodies
(c)A large number of nerve fibres
(d)Neuroglia
Answer is: B
612. Blood is formed in the human adult by the
(a)Heart
(b)Red bone marrow
(c)Yellow bone marrow
(d)Spleen
Answer is: B
613. Haploid chromosome number is not seen in
(a)Spermatids and sperms
(b)Primary spermatocytes
(c)Spermatids
(d)Sperms
Answer is: B
614. One of the organs that excretes water, fat and various catabolic wastes is the
(a)Skin
(b)Kidney
(c)Salivary glands
(d)Spleen
Answer is: B
615. The body is protected against drying, absorbing and bacterial invasion by the
(a)Epithelium
(b)Secretion of sebaceous glands
(c)All of these
(d)Blocking sweat pores
Answer is: A
616. During elections, a permanent chemical mark is at the base of the nail of index finger while exercising your franchise. This mark is not seen after months or so because
(a)The formation of new nail forcibly removes old one
(b)It is gradually oxidised by tannin and caffein that we ingest in tea and coffee respectively
(c)It is worn out by constant washing with and water
(d)Constant contact of the hands with hard Water corrodes the marks
Answer is: A
617. Which of the following sugars are components of cane sugar ?
(a)Glucose and galactose
(b)Glucose and ribose
(c)Glucose and mannose
(d)Glucose and fructose
Answer is: D
618. During the course of prolonged starvation and fasting, glucose or glycogen is synthesized from non-carbohydrate precursors by the process of
(a)Glycolysis
(b)Glycogenesis
(c)Glycogenolysis
(d)Gluconeogenesis
Answer is: D
619. Which of the following compounds found in all living organisms are rich in phosphorus ?
(a)Fats
(b)Carbohydrates
(c)Nucleic acids
(d)Proteins
Answer is: C
620. The country that leads in life expectancy for both males and females is
(a)USA
(b)UK
(c)Japan
(d)China
Answer is: C
