1. The part of the brain responsible for maintaining posture and balance is:
a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Hypothalamus
Answer: b) Cerebellum
2. The part of the brain that regulates thirst, hunger, and body temperature is:
a) Thalamus
b) Cerebellum
c) Hypothalamus
d) Medulla
Answer: c) Hypothalamus
3. The spinal cord is enclosed in:
a) Cranium
b) Meninges
c) Vertebral column
d) Skull
Answer: c) Vertebral column
4. Which part of the brain controls voluntary muscular movements?
a) Cerebellum
b) Cerebrum
c) Pons
d) Medulla
Answer: b) Cerebrum
5. Medulla oblongata controls:
a) Vision
b) Memory
c) Breathing and heartbeat
d) Emotions
Answer: c) Breathing and heartbeat
6. A synapse is a junction between:
a) Two muscles
b) A muscle and a nerve
c) Two neurons
d) A neuron and a gland
Answer: c) Two neurons
7. The outermost layer of the meninges is called:
a) Pia mater
b) Dura mater
c) Arachnoid
d) Neurolemma
Answer: b) Dura mater
8. Reflex actions are controlled by the:
a) Brain
b) Spinal cord
c) Cerebrum
d) Medulla
Answer: b) Spinal cord
9. The seat of intelligence and memory in the brain is:
a) Cerebellum
b) Medulla
c) Cerebrum
d) Hypothalamus
Answer: c) Cerebrum
10. The gap between two neurons is called:
a) Synaptic cleft
b) Axon
c) Dendrite
d) Myelin sheath
Answer: a) Synaptic cleft
11. Neurotransmitters are released at the:
a) Axon terminal
b) Dendrites
c) Synapse
d) Myelin sheath
Answer: c) Synapse
12. Which of the following connects the two cerebral hemispheres?
a) Corpus luteum
b) Corpus callosum
c) Pons
d) Medulla
Answer: b) Corpus callosum
13. Which part of the neuron receives messages from adjacent neurons?
a) Axon
b) Soma
c) Dendrites
d) Synapse
Answer: c) Dendrites
14. Which organ is directly associated with coordination and control in the human body?
a) Heart
b) Lungs
c) Brain
d) Kidneys
Answer: c) Brain
15. Which of the following is not a part of the central nervous system?
a) Brain
b) Spinal cord
c) Cranial nerves
d) All are part of CNS
Answer: c) Cranial nerves
16. The protective membranes around the brain and spinal cord are called:
a) Pericardium
b) Meninges
c) Pleura
d) Peritoneum
Answer: b) Meninges
17. Which part of the brain controls emotional reactions?
a) Pons
b) Hypothalamus
c) Cerebellum
d) Cerebrum
Answer: b) Hypothalamus
18. Which neuron carries impulses from the sense organs to the brain?
a) Motor neuron
b) Sensory neuron
c) Relay neuron
d) All of the above
Answer: b) Sensory neuron
19. Which structure insulates the axon and speeds up nerve impulses?
a) Dendrite
b) Synapse
c) Myelin sheath
d) Soma
Answer: c) Myelin sheath
20. The part of the brain that connects the spinal cord and controls involuntary actions is:
a) Cerebrum
b) Hypothalamus
c) Medulla oblongata
d) Cerebellum
Answer: c) Medulla oblongata