Question:medium

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Uptake of hydrogenase activity is a mechanism of removing hydrogen from the site of nitrogen activity which concurrently carries out reactions of nitrogen fixation and hydrogen production.
Reason (R): Acetylene reduction technique is a common method of measuring nitrogenase activity.

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Hydrogenase = Recycling (Efficiency).
Acetylene Reduction = Measuring (Technique).
They are both about Nitrogenase, but one is about Survival and the other is about Science.
Updated On: May 20, 2026
  • Both (A) and (R) are correct and (R) is the correct explanation of (A)
  • Both (A) and (R) are correct but (R) is not the correct explanation of (A)
  • (A) is correct but (R) is not correct
  • (A) is not correct but (R) is correct
Show Solution

The Correct Option is B

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