MCQs on Evolution 1. The force that initiates evolution is ______ a. Variation b. Mutation c. Extinction d. Adaptation 2. ___________ is a vestigial organ a. Intestinal villi b. Papillae c. Vermiform appendix d. None of the above 3. The earliest geological time period among the following is _______ a. …
MCQs on Animal Morphology 1. Tendons and ligaments are made of a. Special connective tissue b. Epithelial tissues c. Dense regular connective tissue d. Loose conductive tissue 2. Where are intercalated discs found? a. Skeletal muscles b. Tendons c. Spinal cord d. Cardiac muscles 3. Certain mummies are well preserved …
MCQs on Reproductive Health 1. Which Artificial Reproductive Technique can help a lady conceive a child if both her fallopian tubes are blocked? a. SUZI b. IVF c. ZIFT d. GIFT 2. Which of the following is not a copper-releasing IUD? a. LNG 20 b. CuT c. Lippes Loop d. …
MCQs on Enhancement of Food Production 1. ____________ is a breed of cattle. a. Jersey b. Merino c. Herdwick d. None of the above 2. Gobar gas plants use __________ bacteria a. Methanogenic b. Cyanogenic c. Oncogenic d. Pyogenic bacteria 3. Green Revolution was led by __________ a. Dennis Rodman …
MCQs on Microbes in Human Welfare 1. Which of these processes does not give off CO2? a. Lactate fermentation b. Aerobic respiration c. Alcoholic fermentation d. None of the above. 2. High biological oxygen demand in a water body means ________ a. Water is not polluted b. Water is polluted …
MCQs on Human Health and Disease 1. Immunosuppressants such as _________ prevent transplanted organs from being rejected in recipients. 1. Thrombin 2. Cyclosporine 3. Aspirin 4. None of the above 2. Both B & T lymphocytes are produced in the bone marrow; however, only the T lymphocytes travel to the …
MCQs on Biotechnology 1. Restriction enzymes were discovered by a. Smith and Nathans b. Alexander Fleming c. Berg d. None 2. Bacteria protect themselves from viruses by fragmenting viral DNA with a. Ligase b. Endonuclease c. Exonuclease d. Gyrase 3. Klenow fragment is derived from a. DNA Ligase b. DNA …
MCQs on Animal Kingdom 1. Which class has the largest number of animals? a. Fishes b. Reptiles c. Insects d. Mammals 2. Identify the characteristic of acoelomates a. Absence of mesoderm b. Absence of brain c. Coelom that is incompletely lined with a mesoderm d. Solid body without a cavity …
MCQs on Biomolecules 1. Which biomolecule is distributed more widely in a cell? a. Chloroplast b. RNA c. DNA d. Spaherosomes 2. Which is a reducing sugar? a. Galactose b. Gluconic acid c. Sucrose d. β-methyl galactosidase 3. Most abundant RNA in the cell a. rRNA b. mRNA c. tRNA …
MCQs on Biodiversity and Conservation 1. How many biogeographic does India have? 1. 5 2. 6 3. 8 4. 10 2. Lime is generally added to _____ soil. 1. Salty 2. Dry 3. Alkaline 4. Acidic 3. _______ has the maximum genetic diversity in India 1. Potato 2. Tea 3. …
MCQs on Chemical Coordination and Integration 1. _______ controls the concentration of urine 1. ADH 2. Oxytocin 3. ACTH 4. None of the above 2. Children who have damaged thymus may result in_____________ 1. Loss of an antibody-mediated immunity 2. Reduction in stem cell production 3. Deafness 4. Loss of …
MCQs on Breathing and Exchange of Gases 1. Respiration in mature mammalian erythrocytes are __________ 1. Linear 2. Absent 3. Anaerobic 4. Aerobic 2. __________ is not a characteristic feature of the respiratory surface 1. Dry 2. Thin 3. Permeable 4. Moist 3. Human skin cannot function as a respiratory …
MCQs on Organisms and Populations 1. A group of populations of two or more species occupying the same geographical area at the same time is called 1. Ecosystem 2. Commensalism 3. Interaction 4. Community 2. Biotic factors include 1. Plants and animals 2. Water temperature, fish 3. Plants, animals and …
MCQs on Neural Control and Coordination 1. One of the functions of the Neuroglial cells is to protect and support _________ 1. Nephrons 2. Myoid cells 3. Neurons 4. None of the above 2. The abundant inhibitory neurotransmitter found in the CNS is ________ 1. Gamma-glutamyltransferase 2. Gamma-linolenic acid 3. …
MCQs on Plant Growth and Development 1. Coconut milk contains a cytokinin called ____ which promotes plant growth. 1. Naphthalene acetic acid 2. Indole-3-acetic acid 3. Gelatin 4. Zeatin 2. One of the following is not an auxin 1. Indole-3-acetic acid 2. Malic Hydrazide 3. Indole butyric acid 4. Naphthalene …
MCQs on Respiration in Plants 1. Alpha-ketoglutarate dehydrogenase results in a. Oxidation and Decarboxylation b. Reduction c. Oxidation d. None of the above 2. _________ is a product of aerobic respiration a. Malic acid b. Pyruvate c. Ethylene d. Lactose 3. Energy gained during aerobic respiration is _______ times more …
MCQs on Transport in Plants 1. The rate of transpiration will _________ if the atmospheric pressure is low a. Increase b. Decrease c. Stay unchanged d. Can’t be determined 2. The main function of guard cells is to help with ____________ a. Transpiration b. Guttation c. Transcription d. None of …
MCQs On Carbohydrates 1) Which of the following Biomolecules simply refers to as “Staff of life”? (a) Lipids (b) Proteins (c) Vitamins (d) Carbohydrates Sol: (d) Carbohydrates. 2) Which of the following is the simplest form of carbohydrates? (a) Carboxyl groups (b) Aldehyde and Ketone groups (c) Alcohol and Carboxyl …
MCQs on Food Microbiology 1. Which of the following produces citric acid? (a) Aspergillus (b) Pseudomonas (c) Saccharomyces (d) Clostridium Sol: (a) Aspergillus. 2. Which of the following organism is nitrogen-fixing and found in rice fields in symbiotic association with Azolla? (a) Frankia (b) Tolypothrix (c) Spirulina (d) Anabaena Sol: …
MCQs on Virus 1. A virus is made up of _______. (a) Protein coat and nucleic acid (b) Protein coat and mitochondria (c) Nucleic acid and cell membrane (d) Nucleic acid, cell wall and cell membrane Sol: (a) Protein coat and nucleic acid. 2. The protein coat of viruses that …
MCQs on PCR 1. The PCR technique was developed by_________. (a) Kohler (b) Altman (c) Milstein (d) Kary Mullis Sol:(d) Kary Mullis. 2. The polymerase chain reaction is_________. (a) It is a DNA sequencing technique. (b) It is a DNA degradation technique (c) It is a DNA amplification technique (d) …