Assertion (A): The part of nephron present in the cortical region of kidney are PCT, DCT and Malphighian body.
Reason (R): PCT and DCT do not participate in the process of counter current mechanism.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.