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Neural Control and Coordination Solved MCQs.

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Neural Control and Coordination MCQ Multiple Choice Questions with Answers

1. The behavior activities that occur at regular intervals in living things are known as:
a. Circannual
b. Biorhythms
c. Fits
d. Cycles
Answer: b. Biorhythms

2. How many elements of the nervous system are there which help in coordination?
a. Two
b. Three
c. Four
d. Five
Answer: c. Four

3. The controlling center of the autonomic nervous system is…?
a. Hypothalamus
b. Spinal cord
c. Cerebellum
d. Medulla
Answer: a. Hypothalamus

4. A bipolar neuron or bipolar cell has how many dendrites and axons?
a. 2 dendrites 1 axon
b. 2 axons and 1 dendrite
c. 1 dendrite and 1 axon
d. 2 axons 2 dendrites
Answer: c. 1 dendrite and 1 axon

5. What happens during the conduction of nerve impulses?

a. Na+ moves into axoplasm
b. Na+ moves out of axoplasm
c. K+ moves into axoplasm
d. Ca2+ moves into axoplasm
Answer: a. Na+ moves into axoplasm

6. What is the value of the action potential of a nerve cell?
a. -60 mv
b. -80 mv
c. +70 mv
d. +20 mv
Answer: d. +20 mv

7. Which of the following ions are required during the conduction of the nerve impulse?
a. K+ and Na+
b. Ca2+, K+
c. Mg2+
d. Na+ , Ca2+
Answer: a. K+ and Na+

8. How many times does pain receptors are more than cold receptors?
a. 20 times
b. 25 times
c. 27 times
d. 30 times
Answer: c. 27 times

9. Which of the following cells plays a vital role in the nutrition of neurons?

a. Effectors
b. Neuroglia
c. Reflex arc
d. Myelin sheath
Answer: b. Neuroglia

10. How many functional types of neurons are there?

a. Three
b. Four
c. Five
d. Six
Answer: a. Three

11. What is the normal speed of nerve impulses in humans?
a. 120 m/s
b. 150 m/s
c. 100 m/s
d. 1000 m/s
Answer: c. 100 m/s

12. The menstrual cycle is controlled by which region of the brain?
a. Hippocampus
b. Hypothalamus
c. Medulla
d. Cerebellum
Answer: b. Hypothalamus

13. Transitions between sleep and wakefulness and pattern of breathing is controlled by:
a. Pons
b. Thalamus
c. Hypothalamus
d. Amygdala
Answer: a. Pons

14. How many pairs of nerves arise from the brain in humans?
a. 31 pairs
b. 12 pairs
c. 13 pairs
d. 15 pairs
Answer: b. 12 pairs

15. Which of the following is NOT a function of Neuroglial cells?
a. Protect neurons
b. Regulate interstitial fluid
c. Act as phagocytes
d. Communicate signals to target cells
Answer: d. Communicate signals to target cells

16. Which one of the following acts as an inhibitory neurotransmitter?
a. Gamma-glutamyltransferase
b. Acetylcholine
c. Gamma-linolenic acid
d. Gamma-aminobutyric acid (GABA)
Answer: d. Gamma-aminobutyric acid (GABA)

17. How many laminae are present in the grey matter of the spinal cord?
a. Three
b. Ten
c. Twelve
d. Five
Answer: b. Ten

18. The thalamus and the hypothalamus are located in which region of the brain?
a. Cerebrum
b. Brain stem
c. Diencephalon
d. Cerebellum
Answer: c. Diencephalon

19. Which one of the following is the function of the parasympathetic nervous system?
a. Constriction of Pupils
b. Acceleration of heartbeat
c. Dilates Bronchioles
d. Sweat secretion
Answer: a. Constriction of Pupils

20. The gap in the myelin sheath on the axon of certain neurons is known as…?
a. Dendrite
b. Soma
c. Nodes of Ranvier
d. Synapse
Answer: c. Nodes of Ranvier

21. What neurotransmitter is released at the neuromuscular junction?
a. Acetylcholine
b. Adrenaline
c. Testosterone
d. Estradiol
Answer: a. Acetylcholine

22. The area on the left hemisphere associated with speech production and articulation is:
a. Broca’s area
b. Occipital lobe
c. Cortex area
d. None of these
Answer: a. Broca’s area

23. Which system regulates the functions of smooth muscles and cardiac muscles?
a. Central nervous system
b. Autonomic Nervous System
c. Sympathetic nervous system
d. Parasympathetic nervous system
Answer: b. Autonomic Nervous System

24. What is another name for Neurilemma cells?
a. Photoreceptors
b. Schwann Cells
c. Ganglions
d. Odontoblasts
Answer: b. Schwann Cells

25. The space between the axon terminal of the presynaptic neuron and the membrane of the postsynaptic cell is known as:
a. Synaptic cleft
b. Synapse
c. Nodes of Ranvier
d. Ganglion
Answer: a. Synaptic cleft

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