Zoology-Human Excretory System

NEET Zoology Human Excretory System MCQ Question

Type: MCQ-conceptual-Easy-Class 11

Which of the following statements about the human excretory system is correct?

A

The kidneys help regulate ionic and acid-base balance in body fluids.

B

Urea is the only nitrogenous waste excreted by humans.

C

The micturition reflex is responsible for urine storage.

D

Each kidney has fewer than one million nephrons.

Correct Answer

Option A

Detailed Explanation

The kidneys play a crucial role in maintaining ionic and acid-base balance in body fluids, as stated in the NCERT context. Other options contain inaccuracies regarding nitrogenous waste, urine storage processes, and nephron quantity.

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