NEET2023Zoology-Excretory System

NEET 2023 Zoology Nephron Structure Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 11

Given below are statements: one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Nephrons are of two types: Cortical & Juxta medullary, based on their relative position in cortex and medulla.

Reason R: Juxta medullary nephrons have short loop of Henle whereas, cortical nephrons have longer loop of Henle.

In the light of the above statements, choose the correct answer from the options given below:

A

Both A and R are true but R is NOT the correct explanation of A.

B

A is true but R is false.

C

A is false but R is true.

D

Both A and R are true and R is the correct explanation of A.

Correct Answer

Option B

Detailed Explanation

Assertion A is true as nephrons are classified based on their position. However, Reason R is false because juxta medullary nephrons have longer loops of Henle, not shorter.

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