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Question 1
Which one is correct about the physiology of eye?
MCQ • Neural Control
a) The pressure within the eye (the intraocular pressure) is about 1.5 mm Hg (0.2 kPa)
b) When light is shone in one eye both pupils constrict
c) The pupils dilate when the eye is focused on a near object
d) The aqueous humour is an ultrafiltrate of plasma
Tap to reveal explanation
Answer: b) When light is shone in one eye both pupils constrict. Explanation: The pupillary light reflex is consensual — shining light in one eye causes constriction in both pupils via the autonomic pathway.
NEET MCQs — Neural Control & Coordination (Sample)
NEET MCQs — Neural Control & Coordination
Sample MCQs with answers & explanations — printable PDF included.
Practice: Neural Control & Coordination
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a) The pressure within the eye (the intraocular pressure) is about 1.5 mm Hg (0.2 kPa)
b) When light is shone in one eye both pupils constrict
c) The pupils dilate when the eye is focused on a near object
d) The aqueous humour is an ultrafiltrate of plasma
Correct: b) When light is shone in one eye both pupils constrict.
Explanation: The pupillary light reflex is consensual — shining light into one eye causes constriction in both pupils via autonomic pathways.
Question 2
Part of ear where sound is transduced is
Topic: Ear
a) Tympanic membrane
b) Malleus, incus and stapes
c) Semi-circular canal
d) Cochlea
Correct: d) Cochlea.
Explanation: Mechanical vibrations become nerve impulses in the cochlea (hair cells in the organ of Corti) — where sound is transduced.
Question 3
You are watching a horror movie and you notice your heart is beating fast and mouth is dry. It is because of
Topic: Autonomic nervous system
a) Fight and flight response
b) Autonomic nervous system
c) Sympathetic nervous system
d) Both (a) and (c)
Correct: d) Both (a) and (c).
Explanation: The ‘fight-or-flight’ response is produced by the sympathetic division of the autonomic nervous system — increasing heart rate and reducing salivation.
Question 4
When the stimulus reaches the end of one neuron, it is conducted to the adjacent neuron through the secretions of
Topic: Neurotransmitters
a) Acetaldehyde
b) Acetylcholine
c) Acetylcholine esterase
d) Acetyl Co-A
Correct: b) Acetylcholine.
Explanation: Neurotransmitters such as acetylcholine are released from the presynaptic terminal and act on the postsynaptic neuron to transmit the signal. (Acetylcholinesterase breaks it down.)
Question 5
The reflex pathway comprises
Topic: Reflex arc
a) One afferent neuron
b) One efferent neuron
c) One afferent and one efferent neuron
d) One afferent and one receptor neuron
Correct: c) One afferent and one efferent neuron.
Explanation: A simple reflex arc consists of a sensory (afferent) neuron and a motor (efferent) neuron (often with an interneuron in between).
Question 6
The highly specialized cells called neurons can
Topic: Neuron functions
a) Detect stimuli
b) Receive stimuli
c) Transmit stimuli
d) All of the above
Correct: d) All of the above.
Explanation: Neurons detect, receive and transmit signals — all three roles are part of neural function.
Question 7
If a motor nerve has a conduction velocity of 10 ms⁻¹, how long will it take an action potential to reach a muscle 0.75 m from the spinal cord?
Topic: Nerve conduction
a) 75 ms
b) 1.07 m
c) 14 m
d) 1.4 m
Correct: a) 75 ms.
Explanation: Interpreting 10 ms⁻¹ as 10 m·s⁻¹ (10 metres per second). Time = distance ÷ speed = 0.75 ÷ 10 = 0.075 s = 75 ms.
Question 8
Which of the following statements are correct about the midbrain? I. Located between the thalamus/hypothalamus II. Has a canal named cerebral aqueduct passes through III. Dorsal part consists of 4 lobes Choose the correct option
Topic: Brain anatomy
a) I and II
b) II and III
c) I and III
d) I, II and III
Correct: a) I and II.
Explanation: The midbrain (mesencephalon) lies between the diencephalon and the hindbrain; the cerebral aqueduct passes through it. Statement III is incorrectly worded — dorsal midbrain has corpora quadrigemina (4 colliculi), not “4 lobes”.
Question 9
Presynaptic neuron and a post-synaptic neuron may or may not be separated by a gap called
Topic: Synapse
a) Synaptic knob
b) Neuroreceptor gap
c) Synapse
d) Synaptic cleft
Correct: d) Synaptic cleft.
Explanation: The small space between presynaptic and postsynaptic membranes is the synaptic cleft; ‘synapse’ refers to the whole junction.
Question 10
The band of fibre which joins corpora quadrigemina to cerebellum is called
Topic: Brain connections
a) Pons Varolii
b) Valve of Vieussens
c) Corpus callosum
d) Corpus striatum
Correct: b) Valve of Vieussens.
Explanation: The valvula (valve) of Vieussens is the structure classically described in anatomy questions linking regions near the corpora quadrigemina and cerebellum.
Question 11
What kind of neural organization can be seen in lower vertebrates?
Topic: Evolution of nervous system
a) Simple neural system
b) Complex neural system
c) Highly developed neural system
d) Very poor neural system
Correct: a) Simple neural system.
Explanation: Lower vertebrates typically have simpler nervous systems compared to higher vertebrates, with less differentiation of centers.
Question 12
The movement of the nerve impulse across synaptic cleft is primarily
Topic: Synaptic transmission
a) A chemical event
b) A physical event
c) An electrical event
d) A biological event
Correct: a) A chemical event.
Explanation: Transmission across the synaptic cleft relies on release of neurotransmitters (chemical substances) from the presynaptic terminal acting on the postsynaptic membrane.
NEET MCQs Neural Control and Coordination – MCQs
Which one is correct about the physiology of eye? a) The pressure within the eye (the intraocular pressure) is about 1.5 mm Hg (0.2 kPa) b) When light is shone in one eye both pupils constrict c) The pupils dilate when the eye is focused on a near object d) The aqueous humour is an ultrafiltrate of plasma
Part of ear where sound is transduced is a) Tympanic membrane b) Malleus, incus and stapes c) Semi-circular canal d) Cochlea
You are watching a horror movie and you notice your heart is beating fast and mouth is dry. It is because of a) Fight and flight response b) Autonomic nervous system c) Sympathetic nervous system d) Both (a) and (c)
When the stimulus reaches the end of one neuron, it is conducted to the adjacent neuron through the secretions of a) Acetaldehyde b) Acetylcholine c) Acetylcholine esterase d) Acetyl Co-A
The reflex pathway comprises a) One afferent neuron b) One efferent neuron c) One afferent and one efferent neuron d) One afferent and one receptor neuron
The highly specialized cells called neurons can a) Detect stimuli b) Receive stimuli c) Transmit stimuli d) All of the above
If a motor nerve has a conduction velocity of 10 ms−1 , how long will it take an action potential to reach a muscle 0.75 m from the spinal cord? a) 75 m b) 1.07 m c) 14 m d) 1.4 m
Which of the following statements are correct about the midbrain? I. Located between the thalamus/hypothalamus II. Has a canal named cerebral aqueduct passes through III. Dorsal part consists of 4 lobes Choose the correct option a) I and II b) II and III c) I and III d) I, II and III
Presynaptic neuron and a post-synaptic neuron may or may not be separated by a gap called a) Synaptic knob b) Neuroreceptor gap c) Synapse d) Synaptic cleft
The band of fibre which joins corpora quadrigemina to cerebellum is called a) Pons Varolii b) Valve of Vieussens c) Corpus callosum d) Corpus striatum
What kind of neural organization can be seen in lower vertebrates? a) Simple neural system b) Complex neural system c) Highly developed neural system d) Very poor neural system
The movement of the nerve impulse across synaptic cleft is primarily a) A chemical event b) A physical event c) An electrical event d) A biological event
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