$P -$ Statement: The middle lamella is composed of cellulose plates.
$Q -$ Statement: During the formation of gametes,cell division occurs by mitosis.

• A
  Statement $P$ is correct,Statement $Q$ is incorrect.
• B
  Both Statement $P$ and $Q$ are incorrect.
• C
  Both Statement $P$ and $Q$ are correct.
• D
  Statement $P$ is incorrect,but Statement $Q$ is correct.