$A$: All chordates have kidneys as excretory organs.
$R$: Kidneys help in the removal of metabolic wastes along with regulating the osmolarity of body fluids.
$R$: Kidneys help in the removal of metabolic wastes along with regulating the osmolarity of body fluids.
- AAssertion and Reason both are correct and Reason is the correct explanation of Assertion.
- BAssertion and Reason both are correct but Reason is not the correct explanation of Assertion.
- CAssertion is correct,but Reason is incorrect.
- DAssertion is incorrect,but Reason is correct.
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