Q.
Assertion (A) : Chemosynthesis plays an important role in ‘S’ cycle.
Reason (R) : In chemosynthesis, some sulphur compounds act as source of energy.
[A] Both (A) and (R) are true and (R) is the correct explanation.
[B] Both (A) and (R) are true and (R) is not the correct explanation.
[C] (A) is true but (R) is false.
[D] (A) is false but (R) is true.