Assertion : Lichen is important for chemical industries.

Reason : Litmus and Orcein are formed from lichens.

• A

  If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

• B

  If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

• C

  If the Assertion is correct but Reason is incorrect.

• D

  If both the Assertion and Reason are incorrect.