MCQ Choice of Question and Answers in Biology Part 13
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16. Commonest type of synapse in the CNS is
(a) Axo-dendritic
(b) axo-somatic
(c) Axo-axonic
(d) Dendro-dendritic.
Answer: a
17. The normal synaptic delay is
(a) 5 msec
(b) 0.5 msec
(c) 5 sec
(d) 0.5 sec.
Answer: b
18. Following are the components of reflex arc
(a) Afferent
(b) Glial cell
(c) Centre
(d) Efferent
Answer: b
19. Which of the statement is false regarding withdrawal reflex;
(a) It is polysynaptic
(b) Protective reflex
(c) Antigravitational
(d) None of the above
Answer: c
20. Pure motor nerve is
(a) Olfactory
(b) Optic
(c) Vagus
(d) Hypoglossal
Answer: d
21. Thermoregulation is the function of
(a) Parietal lobe of cerebrum
(b) Thalamus
(c) Hypothalamus
(d) Lateral geniculate body
Answer: c
22. Following are the functions of hypothalamus except
(a) Fluid and water balance
(b) Control of feeding and satiety
(c) Temperature regulation
(d) Relay centre for different sensations
Answer: d
23. Voluntary muscle activities are coordinated by
(a) Cerebrum
(b) Spinal cord
(c) Cerebellum
(d) Medulla oblongata
Answer: c
24. The function of cerebellum is
(a) Control voluntary activity
(b) To maintain tone, posture and equilibrium
(c) Regulate body temperature
(d) Relay different sensation
Answer: b
25. Fourth ventricle is present in
(a) Brain
(b) Pituitary
(c) Lymph glands
(d) Heart.
Answer: a