Class 12 Biology · Chapter 3 · Test 4
Peripheral and Autonomic Systems
35 MCQs
35 questions · 30 min · 35 marks
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Sample questions
The first 5 of 35. Try each one, then tap to see the answer.
Question 1
Which part of the nervous system prepares the body during emergency?
- ACentral nervous system
- BSympathetic nervous system
- CParasympathetic nervous system
- DSensory pathway
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Answer: B
The sympathetic system prepares the body for fight or flight.
Question 2
The dorsal root of a spinal nerve contains:
- ASensory neurons
- BInter-neurons
- CMotor neurons
- DSensory and motor neurons
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Answer: A
The dorsal root contains axons and dendrites of sensory neurons.
Question 3
The peripheral nervous system consists of:
- ABrain and spinal cord
- BNerves and ganglia
- CCerebrum and cerebellum
- DMeninges
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Answer: B
The PNS is made of nerves and ganglia.
Question 4
Ganglia are:
- ACable-like collections of axons
- BCollections of cell bodies outside the CNS
- CGaps in the myelin sheath
- DLayers of meninges
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Answer: B
Ganglia are aggregations of cell bodies located outside the CNS.
Question 5
How many pairs of cranial nerves are there?
- A8
- B12
- C31
- D24
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Answer: B
There are 12 pairs of cranial nerves.
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