Assertion: Upper epidermis of dorsiventral leaf is different from lower epidermis.

Reason: Upper epidermis of bifacial leaf has less or no guard cells and lower epidermis has more guard cells.

• A

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

• B

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

• C

  Assertion is correct and reason is incorrect.

• D

  Assertion is incorrect and reason is correct.