MCQ ON CRANIAL NERVES class 12 for NEET

MCQ ON CRANIAL NERVES class 12 for NEET | CRANIAL NERVES class 12 | MCQ CRANIAL NERVES with Answer | Check the below NCERT MCQ question for class 12 Biology based on the with Answers.

MCQ on CRANIAL NERVES class 12 Biology with answers were prepared based on the latest pattern.We have provided class 12 Biology MCQs question with Answers to help students understand the concept very well.

MCQ ON CRANIAL NERVES is useful for NEET / CSIR / UGC / CBSE / ICSE / AIIMS / EXAM / AFMC EXAM / STATE LEVEL MEDICAL EXAM 2022-23 , 2023-24

INTRODUCTION:-

The nerves that arise from or join the brain are called cranial nerves.
Man has twelve pairs of cranial nerve .They are numbered I to XII in Roman numerals.They leave cranium through apertures called foramina, in its wall, and mainly innervate the parts of the head.

Olfactory nerves arise from the olfactory cells of the nasal sac.It enters the olfactory lobe and extends to the temporal lobe of the cerebral hemisphere.It is a sensory nerve, and is responsible for the sense of smell.

Optic nerves starts from the retina of the eye.The two optic nerves seem to cross each other on the floor of the diencephalon in the front of the infundibulum.

Oculomotor nerve :- it is originates from the floor of the midbrain close to the median line.It controls the movement of the eyeball.

MCQ ON CEREBRAL (CRANIAL) NERVES class 12 for NEET

1. The nerves that arise from or join the brain are called

(a) cerebral nerves
(b) cranial nerves
(c) both a and b
(d) none of the above

Ans (c) both a and c

2.Man has ……… .pairs of cranial nerves.

(a) 11
(b) 12
(c) 13
(d) 14

Ans. (b) 12

3. The cranial nerve which is responsible for sense of smell.

(a) alfactory nerve
(b) optic nerve
(c) trigeminal nerve
(d) oculomotor nerve

Ans. (a) olfactory nerves

4. The cranial nerve which is starts from the retina of eye.

(a) olfactory nerves
(b) abducens nerve
(c) facial nerve
(d) optic nerve

Ans.(d) optic nerve

5.The smallest and most slender cranial nerve

(a) pathetic nerves
(b) oculomotor nerve
(c) optic nerve
(d) abducens nerve

Ans.(a) pathetic nerve

6. The largest cranial nerve is

(a) pathetic nerve
(b) trigeminal nerve
(c) oculomotor nerve
(d) olfactory nerve

Ans.(b) trigeminal nerve

7. The cranial nerve which is arises from the side of the medulla oblongata

(a) Glossopharyngeal nerve
(b) vagus
(c) abducens
(d) optic nerve

Ans.(a) Glossopharyngeal nerve

8. Mixed nerve is

(a) trigeminal nerve
(b) abducens nerve
(c) pathetic nerve
(d) oculomotor nerve

Ans.(a) trigeminal nerve

9. Which is not mixes nerve

(a) trigeminal nerve
(b) mandibular nerve
(c) vagus nerve
(d) hypoglossal nerve

Ans. (d) hypoglossal nerve

10. Number of cranial nerves in camel is

(a) 10
(b) 11
(c) 12
(d) 14

Ans. (c) 12

11. Nerve impulses for hearing originates in

(a) ear drum
(b) auditory nerves
(c) ear ossicles
(d) cochlea

Ans.(d) cochlea

12. Cranial nerves supplying
eyes are

(a) 3,4,5
(b) 4,6,7
(c) 4,5,6
(d) 3,4,6

Ans . (d) 3,,4,6

13. Which cranial nerve controls the heart muscle ?

(a) facial
(b) vagus
(c) auditory
(d) trochlear

Ans.(b) vagus nerve

14. Human beings have …… cranial nerves .

(a) 5 pairs
(b) 10 pairs
(c) 12 pairs
(d) 20 pairs

Ans. (c) 12 pairs

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15. The nerve fibres of vagus are

(a) sensory
(b) motor
(c) sensory and motor
(d) none of the these

Ans.(c) sensory and motor

16.The cranial nerve controls rotation of the eyeballs.

(a) abducens nerve
(b) facial nerve
(c) auditory nerve
(d) maxillary nerve

Ans.(a) abducens nerve