Assertion: Mitochondria are the sites of aerobic respiration.

Reason: Outer membrane of mitochondrion is involved in electron transport chain.

• A

  Both assertion and reason are correct and reason correctly explains the assertion.

• B

  Both assertion and reason are correct and reason does not explain the assertion.

• C

  Assertion is correct and reason is incorrect.

• D

  Assertion is incorrect and reason is correct.