Assertion: Inner membrane of mitochondrion has more surface area than outer membrane.

Reason: Inner membrane has cristae and outer membrane is lacking any folds.

• A

  Assertion and Reason are correct and reason correctly explains the assertion.

• B

  Assertion and reason are correct but the reason does not explain the assertion. 

• C

  Assertion is correct and reason is incorrect.

• D

  Both assertion and reason are incorrect