Assertion (A): Comparative to uric acid, urea is a more toxic excretory substance. Reason (R): Birds and insects are uricotelic animals.
- ABoth Assertion (A) and Reason (R) are true and the Reason (R) is the correct explanation of Assertion (A).
- BBoth Assertion (A) and Reason (R) are true but the Reason (R) is not the correct explanation of Assertion (A).
- CAssertion (A) is true and the Reason (R) is false.
- DAssertion (A) is false and the Reason (R) is true.
✓ Correct answer: B
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