Question

Assertion [A]: Each kidney has large numbers of filtration units called nephrons.
Reason [R]: Nephron is the basic structural and functional unit of kidney.

• A. Both A and R are true but R is not the correct explanation of A
• B. A is true but R is false
• C. A is false but R is true
• D. Both A and R are true and R is the correct explanation of A

Answer 1

The correct option is D Both A and R are true and R is the correct explanation of A

Kidney contains around one million of tiny units which is called nephrons. Each nephron is made up of very small filters. As blood passes through the nephron, fluid and waste products are filtered out.