Assertion $(X)$: The cell is a wonderful marvel of the world.
Reason $(Y)$: It converts nutrients into free energy and contains its own information in the form of genetic material.

• A
  Assertion $(X)$ is true and Reason $(Y)$ is the correct explanation for Assertion $(X)$.
• B
  Assertion $(X)$ is true but Reason $(Y)$ is not the correct explanation for Assertion $(X)$.
• C
  Assertion $(X)$ is true but Reason $(Y)$ is false.
• D
  Assertion $(X)$ is false but Reason $(Y)$ is true.