$P$: During the dark reaction of photosynthesis,ketotriose is synthesized.
$Q$: The sugar present in the structure of $ATP$ is an example of a ketopentose sugar.

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