Zoology-Human Excretory System
NEET Zoology Human Excretory System MCQ Question
Type: MCQ-conceptual-Hard-Class 11
Which of the following statements about the human excretory system is correct?
A
Micturition is the process of urine release controlled by neural mechanisms.
B
The average daily urine output in adults is approximately 2 liters.
C
Urine in humans is typically alkaline with a pH of around 7.5.
D
The primary nitrogenous waste excreted by humans is uric acid.
Correct Answer
Option A
Detailed Explanation
Micturition is indeed the process of urine release, controlled by the micturition reflex, as mentioned in the NCERT context. The average output is around 1 to 1.5 liters, urine is slightly acidic (pH-6.0), and humans primarily excrete urea, not uric acid.
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