MCQ on Neural Control and Coordination:
Here, we tried to simplify the complexities of some of the important topics in the form of Neural Control and Coordination MCQ questions and answers so that preparation becomes easy for you. Nowadays varieties of conceptual questions have been asked in the examinations based on basic concepts of Neural Control and Coordination phenomena are more important for all competitive exams.
Neural Control and Coordination MCQ with Answers Pdf:
1. Which of the following is not an autoimmune disease?
(1) Psoriasis
(2) Rheumatoid arthritis
(3) Alzheimer’s disease
(4) Vitiligo
Answer: 3
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2. Which statement is correct about nerve fibers?
(1) All nerve fibers of CNS are enclosed by Schwann cells.
(2) Only myelinated nerve fibers of PNS are enclosed by Schwann cells.
(3) All nerve fibers of PNS are enclosed by Schwann cells.
(4) Only myelinated fibers of CNS are enclosed by Schwann cells.
Answer: 3
3. Which statement is false regarding nerve impulses?
(1) After applying a stimulus on the polarized membrane, that site becomes freely permeable to Na+ and leads to a rapid influx of Na+.
(2) The rise in the stimulus-induced permeability to Na+ is extremely short-lived.
(3) After depolarization K+ diffuses outside the membrane and restores the resting potential.
(4) Ionic gradients across the resting membrane are maintained by the Na+ – K+ ATPase pump.
Answer: 1
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4. Resting membrane potential is achieved by_______
(1) Passive diffusion by ion channels / Leaky channels
(2) Na+ – K+ ATPase pump.
(3) Negatively charged proteins in the axoplasm.
(4) All of the above
Answer: 4
5. Number of spinal nerves in human______
(1) 31 pairs
(2) 32 pairs
(3) 12 pairs
(4) 37 pairs
Answer: 1
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6. Which nerve originates from medulla______
(1) Optic
(2) Oculomotor
(3) Vagus
(4) Trigeminal
Answer: 3
7. In humans, the autonomic nervous system is composed of_______
(1) Sympathetic and parasympathetic nerves
(2) Cranial and spinal nerves
(3) Brain and spinal nerves
(4) Medullated and non-medullated nerves
Answer: 1
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8. Which of the following is not correctly matched_________
(1) Cerebrum – Olfaction
(2) Hypothalamus – Pituitary
(3) Cerebellum – Balance
(4) Mid-brain – Temperature regulation
Answer: 4
9. The thermoregulatory center in the body of man is found in_________
(1) Diencephalon
(2) Hypothalamus
(3) Pituitary
(4) Skin
Answer: 2
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10. How many pairs of cranial nerves are purely sensory______
(1) Two
(2) Three
(3) Four
(4) Five
Answer: 2
11. Optic nerve is the______
(1) Fifth cranial nerves
(2) Second cranial nerve
(3) Seventh cranial nerve
(4) Ninth cranial nerve
Answer: 2
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12. All spinal nerves are________
(1) Motor
(2) Sensory
(3) Mixed
(4) None of the above
Answer: 3
13. Myelin sheath is produced by________
(1) Astrocytes and Schwann cells
(2) Oligodendrocytes and Osteoclasts
(3) Osteoclasts and Astrocytes
(4) Schwann cells and oligodendrocytes
Answer: 4
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14. Which of the following nerve helps in maintaining the equilibrium of body________
(1) Trochlear
(2) Abducens
(3) Auditory
(4) Facial
Answer: 3
15. Autonomic nervous system controls________
(1) Conditioned reflexes
(2) Functioning of the spinal cord
(3) Functioning of visceral organs
(4) Reflex actions
Answer: 3
16. Stimulation of the sympathetic nervous system causes________
(1) Contraction of blood vessels and high blood pressure
(2) Dilation of bronchi & pupil
(3) Erection of hair
(4) All of the above
Answer: 4
17. Which statement is correct regarding nerve impulse conduction?
(1) The membrane potential changes from positive to negative and then back again.
(2) Sodium ions flow out through ion channels and potassium ions flow in.
(3) Potassium channels close as the membrane potential becomes positive.
(4) The membrane potential becomes less negative due to the opening of Na+ VGC.
Answer: 4
18. A nerve impulse is transmitted from one neuron to another neuron through a junction called as________
(1) Neuromuscular junction
(2) Synapse
(3) 1 & 2 both
(4) Node of Ranvier
Answer: 2
19. Reflex action is controlled by______
(1) Muscles
(2) Limbs
(3) Central nervous system
(4) Autonomic nervous system
Answer: 3
20. Which of the following pair is mismatched________
(1) Cerebrum – voluntary activities
(2) Cerebellum – body balance
(3) M. O. – Pneumotaxic center
(4) Spinal cord – reflex action
Answer: 3
21. Which of the following is responsible for the control of reflex actions?
(1) Motor nerves
(2) Sensory nerves
(3) Central nervous system
(4) Sympathetic nervous system
Answer: 3
22. Find out the correct sequence of a simple reflex are_______
(1) Brain-spinal cord – nerves – effector
(2) Effector – CNS – sensory nerves – receptor
(3) Muscles – spinal cord – brain – receptor
(4) Receptor – sensory nerves – CNS – effector
Answer: 4
23. Which of the following two systems are opposite in action to each other?
(1) Nervous – Sensory
(2) Nervous – Endocrine
(3) Sensory – Endocrine
(4) Parasympathetic – Sympathetic
Answer: 4
24. Which one of the following statements is correct?
(1) Neither hormones control neural activity nor The neuron controls the endocrine activity
(2) Endocrine glands regulate neural activity, but not vice versa
(3) Neurons regulate endocrine activity, but not vice versa
(4) Endocrine glands regulate neural activity, and The nervous system regulates the endocrine glands
Answer: 4
25. Which one of the following does not act as a neurotransmitter?
(1) Norepinephrine
(2) Cortisone
(3) Acetylcholine
(4) Epinephrine
Answer: 2
26. Which stereotype reflex is fast?
(1) Conditioned reflex
(2) Withdrawl reflex
(3) Monosynaptic reflex
(4) Polysynaptic reflex
Answer: 3
27. Which neuroglial cell helps in the formation of the blood-brain barrier?
(1) Capillary endothelial cells
(2) Astrocyte
(3) Both (1) and (2)
(4) Oligodendrocyte
Answer: 2
28. Midbrain has a center for reflex action of_______
(1) Visual and tactile
(2) Visual, tactile, and auditory
(3) Auditory and tactile
(4) Visual and auditory
Answer: 2
29. Parkinson’s disease is a neurodegenerative disease, caused by the deterioration of neurons. It is due to a deficiency of which neurotransmitter?
(1) Acetylcholine
(2) Dopamine
(3) GABA
(4) Nor-epinephrine
Answer: 2
30. Which statement is true?
(1) In PNS, only non-myelinated neurons are found.
(2) In CNS, myelinated and non-myelinated neurons are found.
(3) In PNS, myelinated and non-myelinated neurons are found.
(4) Both (2) and (3)
Answer: 4
31. Receptor sites for neurotransmitters are present on_________
(1) Pre-synaptic membrane
(2) Tips for axons
(3) Post-synaptic membrane
(4) Membrane of synaptic vesicles
Answer: 3
32. Which structure is not found in the white matter?
(1) Telodendria
(2) Cell body
(3) Dendrons and non-myelinated axons
(4) All of the above
Answer: 4
33. Nissl’s granules are made up of?
(1) Endoplasmic reticulum and mitochondria
(2) Ribosome and Mitochondria
(3) Ribosome and Endoplasmic Reticulum
(4) Golgi body and ribosome
Answer: 3
34. Which of the following is true for Neurilemma?
(1) Discontinuous at nodes of Ranvier
(2) Continuous at nodes of Ranvier and made by Schwann cells
(3) Discontinuous at nodes of Ranvier and made by Schwann cells
(4) Continuous at nodes of Ranvier and made by oligodendrocytes
Answer: 2
35. Fibers that transmit impulses towards the cell body are called_________
(1) Axon terminal
(2) Axon
(3) Dendrites
(4) Axon hillock
Answer: 3
36. Which of the following regions of the brain is incorrectly paired with its function?
(1) Cerebellum-language comprehension
(2) Corpus callosum-communication between the left and right cerebral cortices
(3) Cerebrum- calculation, and contemplation
(4) Medulla oblongata – homeostatic control
Answer: 1
37. The axonal membrane is ____ to negatively charged proteins present in the axoplasm_________
(1) Selectively permeable
(2) Permeable
(3) Semipermeable
(4) Impermeable
Answer: 3
38. How do parasympathetic neural signals affect the working of the heart?
(1) Reduce both heart rate and cardiac output.
(2) Heart rate is increased without affecting the cardiac output.
(3) Both heart rate and cardiac output increase.
(4) Heart rate decreases but cardiac output increases
Answer: 1
39. Which statement is wrong about the function of the brain?
(1) Hypothalamus mainly controls A.N.S.
(2) Voluntary muscle activity is started by the cerebellum
(3) Medulla oblongata regulates the involuntary activity of our body
(4) Thalamus acts as a major co-donating center for sensory and motor signaling.
Answer: 2
40. A person entering an empty room suddenly finds a snake right in front of opening the door. Which One of the following is likely to happen in his neurohormonal control system?
(1) Hypothalamus activates the parasympathetic division of the brain
(2) Sympathetic nervous system is activated
releasing epinephrine and norepinephrine from the adrenal cortex
(3) Sympathetic nervous system is activated
releasing epinephrine and norepinephrine from the adrenal medulla
(4) Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse
Answer: 3
41. Which statement is incorrect regarding spinal reflex?
(1) These are polysynaptic or monosynaptic reflexes.
(2) Urgency is required.
(3) Response is only given by the spinal cord.
(4) There is no involvement of the brain in sensory perception.
Answer: 4
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