Important General Biology MCQs - 18
1. Which of the following has no blood. but respires?
(a) Cockroach
(b) Earthworm
(c) Fish
(d) Hydra ✓
2. Pituitary gland is a gland attached to the
(a) Liver
(b) Neck region
(c) Spleen
(d) Base of the brain ✓
3. Which of the following is the correct sequence?
(a) Green plants - animals - biosphere -atmosphere ✓
(b) Green plants - biosphere - animals -atmosphere
(c) Animals - green plants - atmosphere -biosphere
(d) Atmosphere - green plants - animals -biosphere
4. Liver produces?
(a) Hormones
(b) Bile ✓
(c) Enzymes
(b) HCI
5. Synthesis of gene in the laboratory was done for the first time by
(a) Hargobind Khorana ✓
(b) Gregor Mendel
(c) Watson and Crick
(d) Paul Berg
6. ’Which of the following is the basic characteristic of a living organism?
(a) Ability to move
(b) Ability to reproduce ✓
(c) Ability to eat
(d) Ability to breath
7. All the following are invertebrates except
(a) Snail
(b) Crab
(c) Prawn
(d) Fish ✓
8. Which of the following is an anti-depressant?
(a) Benedrine ✓
(d) Aspirin
(c) Equanil
(d) None of these
9. In which organ of the human body are the lymphocyte cells formed?
(a) Liver
(b) Long bone
(c) Pancreas
(d) Spleen ✓
10. The characteristic odour of garlic is due to;
(a) A chloro compound
(b) A sulphur compound ✓
(c) A fluorine compound
(d) Acetic acid
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