Neural Control and Coordination
Multiple Choice Questions and Answers
1. Some cells in our body can be over a foot long, they are
(a) muscle cell
(b) nerve cell
(c) gland cell
(d) bone cell
Answer: (b) nerve cell
2. Optic nerve is the
(a) fifth cranial nerve
(b) second cranial nerve
(c) 7th cranial nerve
(d) 9th cranial nerve
Answer: (b) second cranial nerve
3. Which of the following processes occur only in animals?
(a) hormonal control
(b) respiration
(c) nervous control
(d) nutrition
Answer: (c) nervous control
4. Muscular coordination in mammals is controlled by which part of the brain
(a) medulla
(b) cerebrum
(c) cerebellum
(d) olfactory lobe
Answer: (c) cerebellum
5. Which nerve is purely motor?
(a) abducens
(b) trigeminal
(c) olfactory
(d) vagus
Answer: (a) abducens
6. Cavity in spinal cord is called
(a) enterocoel
(b) blastocoels
(c) schizocoel
(d) neurocoel
Answer: (d) neurocoel
7. Reflex action in a vertebrate is displayed by
(a) sensory nerve
(b) autonomic response
(c) cranial nerve
(d) none
Answer: (b) autonomic response
8. Third ventricle is found in
(a) heart of rabbit
(b) brain of rabbit
(c) heart of frog
(d) kidney of frog
Answer: (b) brain of rabbit
9. Transformation of light into nerve impulse is
(a) mechanical process
(b) biological process
(c) physical process
(d) chemical process
Answer: (b) biological process
10. Reflex action is controlled by
(a) autonomic nervous system
(b) peripheral nervous system
(c) central nervous system
(d) vertebral column
Answer: (c) central nervous system
11. Foramen of Monro is an aperture found between
(a) third ventricle and fourth ventricle
(b) diocoel and metacoel
(c) brain and spinal cord
(d) lateral ventricle and third ventricle
Answer: (d) lateral ventricle and third ventricle
12. Name of the nervous band which connects cerebral hemisphere in rabbit is
(a) Corpus albicans
(b) Corpus spongiosum
(c) Corpus callosum
(d) Corpus striatum
Answer: (c) Corpus callosum
13. Functions of nervous tissue is
(a) irritability
(b) sensitivity
(c) responsiveness
(d) contraction
Answer: (c) responsiveness
14. Excitation from ear is carried by which cranial nerve
(a) auditory
(b) olfactory
(c) optic
(d) trigeminal
Answer: (a) auditory
15. Lateral ventricles are found in
(a) heart
(b) thyroid
(c) brain
(d) brain and heart
Answer: (c) brain
16. If heart is stimulated through its vagus supply, heart rate will
(a) decrease
(b) increase
(c) shows no change
(d) none
Answer: (a) decrease
17. Outermost covering of brain is called
(a) choroid
(b) duramater
(c) piamater
(d) arachnoid
Answer: (b) duramater
18. Cerebral hemispheres are centre for
(a) reasoning
(b) thinking
(c) will power
(d) all
Answer: (d) all
19. Main function of cerebellum is
(a) will power
(b) memory
(c) control of involuntary muscles
(d) coordination of voluntary actions
Answer: (d) coordination of voluntary actions
20. Nerve carrying impulse from organ to nerve centre is
(a) afferent
(b) efferent
(c) mixed
(d) motor sensory
Answer: (a) afferent
21. Purely sensory cranial nerve includes
(a). I, V, VII
(b).I, II, IV
(c) I, II, VIII
(d) None
Answer: (c) I, II, VIII
22. Corpus callosum connects
(a) two cerebral hemispheres
(b) two optic lobes
(c) two olfactory lobes
(d) optic chiasma
Answer: (a) two cerebral hemispheres
23. Injury of which of the following parts may cause a weakening of memory
(a) cerebellum
(b) cerebrum
(c) hypothalamus
(d) medulla
Answer: (b) cerebrum
24. Impulse for voluntary forced breathing starts in
(a) spinal cord
(b) medulla
(c) cerebral hemispheres
(d) vagus nerve
Answer: (c) cerebral hemispheres
25. Afferent nerve fibre conducts impulse from
(a) CNS to effector
(b) Receptor to CNS
(c) Receptor to effector
(d) Effector to receptor
Answer: (b) Receptor to CNS
26. Tongue is under the control of which nerve
(a) Vagus
(b) Trigeminal
(c) Glossopharyngeal
(d) Autonomic nervous system
Answer: (c) Glossopharyngeal
27. Which cranial nerve is the longest and supplies parts of body other than head?
(a) Trochlear
(b) Vagus
(c) Oculomotor
(d) Auditory
Answer: (b) Vagus
28. Which of the following controls heart beat?
(a) autonomic nervous system
(b) vagus nerve
(c) glossopharyngeal nerve
(d) none
Answer: (a) autonomic nervous system
29. Cell bodies of afferent fibres of spinal nerves lie in
(a) white matter
(b) dorsal root ganglion
(c) grey matter
(d) ventral root
Answer: (b) dorsal root ganglion
30. Which of the following transmits nerve impulse towards central nervous system?
(a) abducens nerve
(b) oculomotor nerve
(c) ventral root of spinal nerves
(d) auditory nerve
Answer: (d) auditory nerve
31. Heart is innervated by
(a) vagus
(b) trigeminal
(c) facial
(d) glossopharyngeal
Answer: (a) vagus
32. Secretion of parasympathetic nerve ending is
(a) noradrenaline
(b) acetylcholine
(c) hydroxyl-tryptamine
(d) glycine
Answer: (b) acetylcholine
33. Which part of brain is responsible for hearing?
(a) cerebrum
(b) cerebellum
(c) medulla
(d) hypothalamus
Answer: (b) cerebellum
34. Brain of rabbit differs from that of frog have in having
(a) large olfactory lobes
(b) small hypothalamus
(c) small cerebellum
(d) corpus callosum
Answer: (d) corpus callosum
35. Thermoregulatory centre in human brain is
(a) pituitary
(b) diencephalon
(c) hypothalamus
(d) none
Answer: (c) hypothalamus
36. Muscular movements in mammals are coordinated by
(a) cerebrum
(b) cerebellum
(c) pituitary
(d) thyroid
Answer: (b) cerebellum
37. Second cranial nerves distributed in
(a) lens and retina
(b) eye muscles and retina
(c) retina alone
(d) iris and eye muscle
Answer: (d) iris and eye muscle
38. Which of these is a mixed nerve?
(a) oculomotor
(b) facial
(c) auditory
(d) olfactory
Answer: (b) facial
39. In homeotherm brain centre for regulation of body temperature is
(a) cerebellum
(b) cerebral hemispheres
(c) hypothalamus
(d) medulla
Answer: (c) hypothalamus
40. How many sensory cranial nerves are found in rabbit?
(a) 4
(b) 5
(c) 6
(d) 8
Answer: (c) 6
41. Number of spinal nerves in man is
(a) 31 pairs
(b) 32 pairs
(c) 12 pairs
(d) 29 pairs
Answer: (a) 31 pairs
42. Nerves leading to the central nervous system are called
(a) afferent
(b) efferent
(c) motor
(d) none
Answer: (a) afferent
43. Which is an example of autonomic nervous system?
(a) swallowing food
(b) pupilary reflex
(c) intestinal peristalsis
(d) knee jerk reflex
Answer: (b) pupilary reflex
44. Which nerve originates from medulla?
(a) optic
(b) oculomotor
(c) vagus
(d) acoustic
Answer: (c) vagus
45. Which cell in our body is more than a foot long?
(a) nerve cell
(b) muscles cell
(c) bone cell
(d) gland cell
Answer: (a) nerve cell
46. Vertebrate brain develops from
(a) mesoderm
(b) endoderm
(c) ectoderm
(d) periderm
Answer: (c) ectoderm
47. Neurones develop from embryonic
(a) ectoderm
(b) mesoderm
(c) endoderm
(d) all
Answer: (a) ectoderm
48. How many pairs of cranial nerves are purely sensory?
(a) 2
(b) 3
(c) 4
(d) 5
Answer: (b) 3
49. Which is purely a motor nerve?
(a) olfactory
(b) trigeminal
(c) vagus
(d) abducens
Answer: (d) abducens
50. Chemical substance which take parts in synaptic transmission is
(a) adrenaline
(b) epinephrine
(c) colchicine
(d) acetylcholine
Answer: (d) acetylcholine