Living Creatures: Exploring Their Characteristics Part 4: MCQs (Q76–Q100)

Part 4 — Questions 76 to 100 (Final Revision & Higher-Order Thinking)

76. Which of the following is NOT an example of excretion?

A. Sweat
B. Urine
C. Carbon dioxide
D. Eating food ← Correct Answer
Explanation:
D) Correct — eating is nutrition, not removal of waste.

77. Which living characteristic is shown when seeds germinate into plants?

A. Respiration
B. Growth ← Correct Answer
C. Excretion
D. Reproduction
Explanation:
B) Correct — seed develops into a new plant showing growth.

78. Which feature differentiates plants from animals?

A. Respiration
B. Growth
C. Reproduction
D. Photosynthesis ← Correct Answer
Explanation:
D) Correct — plants can prepare food, animals cannot.

79. Which adaptation helps camels survive in deserts?

A. Long feathers
B. Storing fat in humps ← Correct Answer
C. Hollow bones
D. Gills
Explanation:
B) Correct — fat reserves provide energy and water.

80. Which organism breathes through skin?

A. Fish
B. Earthworm ← Correct Answer
C. Bird
D. Dog
Explanation:
B) Correct — earthworms exchange gases through moist skin.

81. Which animal lays eggs in water but breathes with lungs as an adult?

A. Fish
B. Frog ← Correct Answer
C. Cow
D. Dog
Explanation:
B) Correct — amphibians like frogs undergo metamorphosis.

82. Which is NOT a characteristic of living things?

A. Growth
B. Reproduction
C. Excretion
D. Rusting of iron ← Correct Answer
Explanation:
D) Correct — rusting is a chemical process, not a life process.

83. What does respiration supply to the body?

A. Proteins
B. Vitamins
C. Energy ← Correct Answer
D. Minerals
Explanation:
C) Correct — respiration releases energy from food.

84. Which organism moves with pseudopodia?

A. Paramecium
B. Amoeba ← Correct Answer
C. Earthworm
D. Fish
Explanation:
B) Correct — amoeba moves using false feet (pseudopodia).

85. Which of these is an oviparous animal?

A. Cat
B. Dog
C. Hen ← Correct Answer
D. Cow
Explanation:
C) Correct — oviparous = egg-laying animals.

86. Which of these is a viviparous animal?

A. Human ← Correct Answer
B. Snake
C. Lizard
D. Frog
Explanation:
A) Correct — viviparous = animals giving birth to young ones.

87. Which process in plants helps in removal of oxygen?

A. Excretion
B. Photosynthesis ← Correct Answer
C. Transpiration
D. Respiration
Explanation:
B) Correct — oxygen is released as a byproduct of photosynthesis.

88. Which animal uses spiracles for breathing?

A. Insects ← Correct Answer
B. Fish
C. Frog
D. Dog
Explanation:
A) Correct — insects like grasshoppers breathe through spiracles.

89. Which of these is a unicellular organism?

A. Dog
B. Plant
C. Amoeba ← Correct Answer
D. Fish
Explanation:
C) Correct — amoeba is made of a single cell.

90. Which of these is multicellular?

A. Amoeba
B. Paramecium
C. Human ← Correct Answer
D. Bacteria
Explanation:
C) Correct — humans have trillions of cells.

91. Which process helps in repairing damaged tissues?

A. Reproduction
B. Growth (cell division) ← Correct Answer
C. Respiration
D. Excretion
Explanation:
B) Correct — growth and cell division repair tissues.

92. Which organelle in cells is called the “powerhouse”?

A. Nucleus
B. Mitochondria ← Correct Answer
C. Vacuole
D. Ribosome
Explanation:
B) Correct — mitochondria release energy during respiration.

93. What is the main function of sense organs?

A. Reproduction
B. Excretion
C. To respond to stimuli ← Correct Answer
D. Photosynthesis
Explanation:
C) Correct — eyes, ears, nose, skin, and tongue sense environment.

94. Which of the following is NOT a sense organ?

A. Eye
B. Ear
C. Heart ← Correct Answer
D. Nose
Explanation:
C) Correct — heart pumps blood, not a sense organ.

95. The living world can be distinguished from the non-living by the presence of

A. Shape
B. Color
C. Life processes ← Correct Answer
D. Size
Explanation:
C) Correct — all living things show life processes.

96. Which of these shows reproduction by budding?

A. Amoeba
B. Cow
C. Yeast ← Correct Answer
D. Cat
Explanation:
C) Correct — yeast forms new cells by budding.

97. Which of these reproduces by binary fission?

A. Hen
B. Cow
C. Amoeba ← Correct Answer
D. Dog
Explanation:
C) Correct — amoeba divides into two identical cells.

98. Which animal shows metamorphosis?

A. Frog ← Correct Answer
B. Cat
C. Dog
D. Cow
Explanation:
A) Correct — frogs transform from tadpoles to adult frogs.

99. Which process ensures continuity of life on Earth?

A. Growth
B. Respiration
C. Excretion
D. Reproduction ← Correct Answer
Explanation:
D) Correct — reproduction ensures species survival.

100. Final revision: Which set shows only characteristics of living things?

A. Growth, respiration, rusting
B. Reproduction, excretion, melting
C. Growth, respiration, reproduction ← Correct Answer
D. Burning, melting, growth
Explanation:
C) Correct — only these are true life processes.

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