50+ Neural Control and Coordination MCQ with Answers

Here, we tried to simplify the complexities of some of the important topics in the form of Neural Control and Coordination MCQ questions for NEET with 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.

50+ MCQ on Neural Control and Coordination with Answers

1. Which of the following is not an autoimmune disease?
(1) Psoriasis
(2) Rheumatoid arthritis
(3) Alzheimer’s disease
(4) Vitiligo
Answer: 3
Explanation: Alzheimer’s disease is a neurodegenerative disorder caused by abnormal protein accumulation and neuron loss. It is not caused by immune system dysfunction, unlike autoimmune diseases such as Psoriasis, Rheumatoid arthritis, and Vitiligo.

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
Explanation: In the Peripheral Nervous System (PNS), both myelinated and unmyelinated nerve fibers are enclosed by Schwann cells, which provide insulation and aid in signal conduction.

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
Explanation: The site of stimulus becomes selectively, not freely, permeable to Na+ through voltage-gated channels. The term “freely” is incorrect.

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
Explanation: Resting membrane potential results from multiple factors including the Na+/K+ pump, passive ion leakage, and negatively charged proteins inside the cell.

5. Number of spinal nerves in human______
(1) 31 pairs
(2) 32 pairs
(3) 12 pairs
(4) 37 pairs
Answer: 1
Explanation: Humans have 31 pairs of spinal nerves that emerge from the spinal cord: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal.

6. Which nerve originates from medulla______
(1) Optic
(2) Oculomotor
(3) Vagus
(4) Trigeminal
Answer: 3
Explanation: The vagus nerve (10th cranial nerve) originates from the medulla oblongata and controls parasympathetic functions in major organs.

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-myelinated nerves
Answer: 1
Explanation: The autonomic nervous system (ANS) comprises two divisions—sympathetic (fight or flight) and parasympathetic (rest and digest).

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
Explanation: Temperature regulation is mainly controlled by the hypothalamus, not the midbrain. Hence, this pair is incorrect.

9. The thermoregulatory center in the body of man is found in_________
(1) Diencephalon
(2) Hypothalamus
(3) Pituitary
(4) Skin
Answer: 2
Explanation: The hypothalamus regulates body temperature by controlling mechanisms such as sweating, vasodilation, and shivering.

10. How many pairs of cranial nerves are purely sensory______
(1) Two
(2) Three
(3) Four
(4) Five
Answer: 2
Explanation: There are three purely sensory cranial nerves: I (Olfactory), II (Optic), and VIII (Vestibulocochlear).

11. Optic nerve is the______
(1) Fifth cranial nerves
(2) Second cranial nerve
(3) Seventh cranial nerve
(4) Ninth cranial nerve
Answer: 2
Explanation: The optic nerve is the second cranial nerve and is responsible for transmitting visual information from the retina to the brain.

12. All spinal nerves are________
(1) Motor
(2) Sensory
(3) Mixed
(4) None of the above
Answer: 3
Explanation: Spinal nerves are mixed nerves, meaning they carry both sensory and motor signals.

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
Explanation: Schwann cells form myelin in the PNS, while oligodendrocytes do so in the CNS.

14. Which of the following nerve helps in maintaining the equilibrium of body________
(1) Trochlear
(2) Abducens
(3) Auditory
(4) Facial
Answer: 3
Explanation: The auditory nerve (vestibulocochlear nerve) has a vestibular branch responsible for maintaining balance.

15. Autonomic nervous system controls________
(1) Conditioned reflexes
(2) Functioning of the spinal cord
(3) Functioning of visceral organs
(4) Reflex actions
Answer: 3
Explanation: The autonomic nervous system regulates involuntary functions of internal organs like the heart, lungs, and digestive tract.

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
Explanation: All listed responses are classical sympathetic effects preparing the body for a “fight or flight” response.

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
Explanation: During depolarization, voltage-gated sodium channels (Na+ VGC) open, allowing Na+ influx, making the membrane less negative.

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
Explanation: A synapse is the junction between two neurons where neurotransmitters are released to propagate the impulse.

19. Reflex action is controlled by______
(1) Muscles
(2) Limbs
(3) Central nervous system
(4) Autonomic nervous system
Answer: 3
Explanation: Reflex actions are quick, involuntary responses mediated by the spinal cord, a part of the central nervous system.

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
Explanation: The pneumotaxic center is located in the pons, not the medulla oblongata (M.O.), making this pair mismatched.

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
Explanation: Reflex actions are controlled by the spinal cord, which is a part of the central nervous system, without involving the brain.

22. Find out the correct sequence of a simple reflex arc_______
(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
Explanation: A simple reflex arc starts with a receptor detecting a stimulus, followed by signal transmission through sensory neurons to the CNS, and then a response through motor neurons to the effector.

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
Explanation: The parasympathetic and sympathetic systems are subdivisions of the autonomic nervous system and have opposite effects on organ function.

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
Explanation: The nervous and endocrine systems are interdependent. The hypothalamus regulates pituitary gland hormones, and hormones influence brain activity.

25. Which one of the following does not act as a neurotransmitter?
(1) Norepinephrine
(2) Cortisone
(3) Acetylcholine
(4) Epinephrine
Answer: 2
Explanation: Cortisone is a steroid hormone, not a neurotransmitter. The others are neurotransmitters involved in nerve impulse transmission.

26. Which stereotype reflex is fast?
(1) Conditioned reflex
(2) Withdrawal reflex
(3) Monosynaptic reflex
(4) Polysynaptic reflex
Answer: 3
Explanation: Monosynaptic reflexes involve only one synapse and are the fastest type of reflex due to minimal delay.

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
Explanation: Astrocytes contribute to the blood-brain barrier by surrounding endothelial cells and regulating permeability.

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
Explanation: The midbrain is involved in reflex responses to visual, auditory, and tactile stimuli via the tectum (superior and inferior colliculi).

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
Explanation: Parkinson’s disease results from dopamine deficiency in the substantia nigra of the brain, affecting motor coordination.

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
Explanation: Both CNS and PNS contain myelinated and non-myelinated neurons. Statement 4 combines both true facts.

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
Explanation: Neurotransmitters bind to receptors located on the post-synaptic membrane to propagate the signal.

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
Explanation: White matter is primarily composed of myelinated axons. Cell bodies and dendrites are found in grey matter. Hence, none of the listed structures belong to white matter.

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
Explanation: Nissl bodies are composed of rough endoplasmic reticulum with free ribosomes, involved in protein synthesis in neurons.

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
Explanation: Neurilemma, the outermost layer of Schwann cells, is continuous and crucial for axon regeneration in PNS.

35. Fibers that transmit impulses towards the cell body are called_________
(1) Axon terminal
(2) Axon
(3) Dendrites
(4) Axon hillock
Answer: 3
Explanation: Dendrites receive and conduct impulses towards the neuron’s cell body, while axons conduct them away.

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
Explanation: Language comprehension is associated with Wernicke’s area in the cerebrum, not the cerebellum. Hence, this pairing is incorrect.

37. The axonal membrane is ____ to negatively charged proteins present in the axoplasm_________
(1) Selectively permeable
(2) Permeable
(3) Semipermeable
(4) Impermeable
Answer: 3
Explanation: The axonal membrane is semipermeable, allowing selective ion movement while restricting large negatively charged proteins inside the axon.

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
Explanation: The parasympathetic nervous system slows down heart activity, reducing both heart rate and cardiac output.

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
Explanation: Voluntary muscle activity is initiated in the cerebrum, not the cerebellum. The cerebellum coordinates movement and balance.

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
Explanation: In emergency or stressful situations, the sympathetic nervous system activates the adrenal medulla to release epinephrine and norepinephrine.

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
Explanation: Although reflex actions are processed by the spinal cord, the brain still perceives the sensory input, so statement 4 is incorrect.

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