Select the correct option:
$(1)$ There are no photoreceptor cells slightly above the posterior pole of the eyeball,hence it is called the blind spot.
$(2)$ Rod cells contain a purple-red protein called rhodopsin.

• A
  Statement $(1)$ is correct,Statement $(2)$ is incorrect.
• B
  Statement $(1)$ is incorrect,Statement $(2)$ is correct.
• C
  Both statements $(1)$ and $(2)$ are correct.
• D
  Both statements $(1)$ and $(2)$ are incorrect.