1.

Assertion(A): In all living systems, the biochemical reactions are catalysed by enzymes. This principle is applied to kill many pathogens. Reason (R): The enzyme actions are highly essential for normal functioning of the system.

Answer»

Both A and R are CORRECT and R EXPLAINS A.
Both A and R are correct but R does not EXPLAIN A.
A is correct but R is WRONG.
A is wrong but R is correct.

Answer :A


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