NEET Practice: Biology 3

1. The mode of nutrition in fungi is:

(a) Autotrophic (b) Heterotrophic (c) Saprophytic (d) Both (b) and (c)

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Correct Answer: (d) Both (b) and (c)

Explanation:
Fungi are heterotrophic, mostly saprophytic

2. The powerhouse of the cell is also known as:

(a) Kitchen of the cell (b) Suicidal bag (c) Control centre (d) Energy currency

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Correct Answer: (d) Energy currency

Explanation:
Mitochondria produce ATP (energy currency of the cell)

3. The process of taking in food by Amoeba is called:

(a) Exocytosis (b) Endocytosis (c) Diffusion (d) Osmosis

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Correct Answer: (b) Endocytosis

Explanation:
Amoeba engulfs food by phagocytosis (a type of endocytosis)

4. The hormone secreted by the pancreas that lowers blood sugar is:

(a) Glucagon (b) Insulin (c) Adrenaline (d) Thyroxine

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Correct Answer: (b) Insulin

Explanation:
Insulin decreases blood glucose level

5. The functional unit of the lungs is:

(a) Nephron (b) Alveolus (c) Neuron (d) Sarcomere

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Correct Answer: (b) Alveolus

Explanation:
Alveoli are the sites of gas exchange in lungs

6. The pigment present in muscles that stores oxygen is:

(a) Haemoglobin (b) Myoglobin (c) Chlorophyll (d) Cytochrome

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Correct Answer: (b) Myoglobin

Explanation:
Myoglobin stores oxygen in muscle cells

7. The number of pairs of chromosomes in humans is:

(a) 23 (b) 46 (c) 22 (d) 44

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Correct Answer: (a) 23

Explanation:
23 pairs (46 chromosomes total)

8. The tissue that connects muscle to bone is:

(a) Ligament (b) Tendon (c) Cartilage (d) Areolar tissue

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Correct Answer: (b) Tendon

Explanation:
Tendons connect muscles to bones

9. The process of loss of water from the surface of leaves is called:

(a) Respiration (b) Transpiration (c) Photosynthesis (d) Translocation

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Correct Answer: (b) Transpiration

Explanation:
Transpiration is the evaporation of water from leaves

10. The largest part of the human brain is:

(a) Cerebellum (b) Cerebrum (c) Medulla oblongata (d) Hypothalamus

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Correct Answer: (b) Cerebrum

Explanation:
Cerebrum is the largest part and controls voluntary actions