Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 3 PCB Single Correct MCQ
Published on: September 12, 2026

Select the correct option for and in the following diagram of spinal cord

A
A-Gray Matter B-White Matter
B
A-White Matter B-Gray Matter
C
A-White Matter B-White Matter
D
A-Gray Matter B-White Matter

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Text Solution

Verified by Experts
The correct answer is:
D
Step 1: Identify the regions of the spinal cord in the diagram. The central part (A) is typically the gray matter, while the outer region (B) is the white matter.
Step 2: In the spinal cord structure, gray matter is composed mainly of neuronal cell bodies, while white matter contains myelinated axons.
Step 3: Since in the given diagram, A is the central region consisting of gray matter and B is the surrounding region consisting of white matter, the correct labeling is A-Gray Matter and B-White Matter.
Therefore, the answer is D.

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