(A) Mitochondria is known as power house of cell.
(R) ATP is known as energy currency of the cell
(a) Assertion (A) and Reason (R) both are true and reason (B) is correct explanation of the assertion A.
(b) Assertion (A) and Reason (R) both are true but reason B is not a correct explanation of the assertion (A)
(c) Assertion (A) is true but Reason (B) is false.
(d) Assertion (A) is false but Reason B is true.