NEET Zoology Human Excretory System MCQ Question
Which of the following statements about the human excretory system is correct?
The kidneys help regulate ionic and acid-base balance in body fluids.
Urea is the only nitrogenous waste excreted by humans.
The micturition reflex is responsible for urine storage.
Each kidney has fewer than one million nephrons.
Correct Answer
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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