MCQ practice · SSC Biology Board questions · Chapter 8: Excretory System
The rise of which substance in the blood makes the kidney fail?
Think it through first, then pick an option.
- a Urochrome
- b Creatinine
- c Uric acid
- d Fat
Answer and explanation
Correct answer: b Creatinine
A rise of creatinine in the blood is the sign of kidney failure.
Why the other options are wrong
- a Urochrome: Urochrome colours the urine; it is not a sign of failure.
- c Uric acid: The book gives creatinine as the sign of failure.
- d Fat: Fat is not a sign of kidney failure; the book's sign is a rise of creatinine.
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