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 play a crucial role in osmoregulation and nitrogenous waste elimination.
B
Human excretion primarily involves the elimination of ammonia as the main nitrogenous waste.
C
Urine is formed in the kidneys and stored in the ureters before being excreted.
D
The micturition reflex is responsible for the storage of urine in the bladder.
Correct Answer
Option A
Detailed Explanation
The kidneys are essential for both osmoregulation and the removal of nitrogenous wastes, as highlighted in the NCERT context. Ammonia is not the primary waste in humans; they primarily excrete urea. Urine is stored in the bladder, not the ureters, and the micturition reflex initiates urination.
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