Biology Practice: Nervous System (Mock Test 1 - Basic)
1. The structural and functional unit of the nervous system is the:
2. The short, branched cytoplasmic extensions of a neuron that receive impulses are:
3. Which part of the brain is the largest and responsible for memory, intelligence, and voluntary actions?
4. The part of the brain that maintains body balance and posture is the:
5. Which part of the brain controls involuntary actions like heartbeat and breathing?
6. The gap between two neurons across which an impulse is transmitted is called a:
7. The Central Nervous System (CNS) consists of the:
8. An immediate, automatic response to a stimulus without conscious thought is a:
9. Nerves that carry impulses from sense organs to the brain are called:
10. The protective membranes covering the brain and spinal cord are the:
11. The insulation layer found around the axon of a neuron is the:
12. How many pairs of cranial nerves are present in humans?
13. The fluid that fills the spaces within and around the brain to act as a shock absorber is:
14. Nerves that carry impulses away from the brain to muscles are:
15. The specialized cell that helps in transmitting nerve impulses is the:
16. The spinal cord is protected by the:
17. Which part of the neuron contains the nucleus?
18. Withdrawal of a hand on touching a hot object is an example of:
19. How many pairs of spinal nerves are there in the human body?
20. The grey matter of the brain primarily consists of: