Here are some top multiple-choice questions MCQ on the nervous system with answers:
1. Which is the basic structural and functional unit of the nervous system?
a) Axon
b) Neuron
c) Dendrite
d) Synapse
Answer: b) Neuron
2. What is the function of the myelin sheath?
a) Transmit signals to the synapse
b) Protect and insulate axons
c) Generate electrical impulses
d) Store neurotransmitters
Answer: b) Protect and insulate axons
3. Which part of the brain controls balance and coordination?
a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Hypothalamus
Answer: b) Cerebellum
4. The autonomic nervous system is divided into which two branches?
a) Sympathetic and parasympathetic
b) Central and peripheral
c) Voluntary and involuntary
d) Somatic and sensory
Answer: a) Sympathetic and parasympathetic
5. Which cranial nerve is responsible for vision?
a) Optic nerve (CN II)
b) Olfactory nerve (CN I)
c) Trochlear nerve (CN IV)
d) Vagus nerve (CN X)
Answer: a) Optic nerve (CN II)
6. What is the role of cerebrospinal fluid (CSF)?
a) Transmits nerve signals
b) Protects the brain and spinal cord
c) Produces red blood cells
d) Transports hormones
Answer: b) Protects the brain and spinal cord
7. Which part of the neuron receives signals from other neurons?
a) Axon
b) Cell body
c) Dendrites
d) Synaptic terminal
Answer: c) Dendrites
8. Which neurotransmitter is primarily involved in muscle contraction?
a) Dopamine
b) Acetylcholine
c) Serotonin
d) Glutamate
Answer: b) Acetylcholine
9. What is the main function of the medulla oblongata?
a) Control voluntary movements
b) Regulate heart rate and breathing
c) Process sensory information
d) Maintain body temperature
Answer: b) Regulate heart rate and breathing
10. Which lobe of the brain is responsible for processing visual information?
a) Frontal lobe
b) Parietal lobe
c) Temporal lobe
d) Occipital lobe
Answer: d) Occipital lobe
11. What is the gap between two neurons called?
a) Axon terminal
b) Dendritic cleft
c) Synapse
d) Neurotransmitter junction
Answer: c) Synapse
12. Which of the following is NOT a function of the hypothalamus?
a) Regulate body temperature
b) Control heart rate
c) Control hunger and thirst
d) Process visual information
Answer: d) Process visual information
13. What is the role of Schwann cells in the nervous system?
a) Transmit nerve impulses
b) Produce myelin in the peripheral nervous system
c) Connect neurons to muscles
d) Store neurotransmitters
Answer: b) Produce myelin in the peripheral nervous system
14. Which structure connects the two hemispheres of the brain?
a) Thalamus
b) Corpus callosum
c) Basal ganglia
d) Pons
Answer: b) Corpus callosum
15. What type of neuron carries impulses from sensory organs to the central nervous system?
a) Motor neuron
b) Sensory neuron
c) Interneuron
d) Relay neuron
Answer: b) Sensory neuron
topic ends MCQ on the nervous system
topic ends multiple-choice questions (MCQs) on insulin