Neural Control and Coordination — NEET UG practice

59 questions

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Sample questions with solutions

Q1 · 2026

Which of the following is not a part of human central neural system?

A.
Pericardium
B.
Arachnoid
C.
Dura mater
D.
Pia mater

Answer: A

First, recall what the central neural system (CNS) consists of. The CNS is made up of the brain and the spinal cord, and both are covered by three protective membranes called meninges.
Identify the three meninges by name. Given that meninges protect the CNS, the layers from outside to inside are:

\text{Dura mater} \to \text{Arachnoid} \to \text{Pia mater}

Therefore, all three of these belong to the CNS.

Now check the odd one out — Pericardium. The pericardium is a double-walled membranous sac, but it surrounds the heart, not the brain or spinal cord, so it has nothing to do with the nervous system.

Hence, the structure that is not part of the human central neural system is Pericardium, so the answer is Option A.

Q2 · 2026

The specific receptors for neurotransmitters in a synapse are present on ____.

A.
Schwann cell
B.
Pre-synaptic membrane
C.
Myelin sheath
D.
Post-synaptic membrane

Answer: D

Recall how signal transmission happens at a chemical synapse. A nerve impulse reaches the pre-synaptic membrane, which releases chemical messengers called neurotransmitters into the tiny gap (synaptic cleft) between two neurons.
Understand where these neurotransmitters must act next. Since the neurotransmitter has to be detected by the next neuron, given that detection needs specific receptor proteins:

\text{Neurotransmitter} + \text{Receptor (on post-synaptic membrane)} \to \text{Signal generated in next neuron}

Rule out the incorrect options. Schwann cells and the myelin sheath are involved in insulating and speeding up impulse conduction along the axon, not in receiving neurotransmitters; the pre-synaptic membrane only releases the neurotransmitter, it does not receive it.

Hence, the specific receptors for neurotransmitters are present on the post-synaptic membrane, so the answer is Option D.

Q3 · 2024

Match List I with List II:

	List-I		List-II
A.	Pons	I.	Provides additional space for Neurons, regulates posture and balance.
B.	Hypothalamus	II.	Controls respiration and gastric secretions.
C.	Medulla	III.	Connects different regions of the brain.
D.	Cerebellum	IV.	Neuro secretory cells

Choose the correct answer from the options given below :

A.
A-II, B-III, C-I, D-IV
B.
A-III, B-IV, C-II, D-I
C.
A-I, B-III, C-II, D-IV
D.
A-II, B-I, C-III, D-IV

Answer: B

Look at the Pons first. The pons sits between the midbrain and the medulla and mainly acts as a bridge, so given this bridging role:

\text{Pons} \to \text{Connects different regions of the brain (III)}

Now look at the Hypothalamus. The hypothalamus contains cells that directly produce hormones, therefore:

\text{Hypothalamus} \to \text{Neurosecretory cells (IV)}

Consider the Medulla. The medulla oblongata is the control centre for involuntary vital functions, so:

\text{Medulla} \to \text{Controls respiration and gastric secretions (II)}

Consider the Cerebellum. The cerebellum has highly folded surfaces that add extra neuron capacity and it fine-tunes movement, hence:

\text{Cerebellum} \to \text{Provides additional space for neurons, regulates posture and balance (I)}

Combining these gives A-III, B-IV, C-II, D-I, so the answer is Option B.

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