Given below are two statements.
Statement $I$: Self-incompatibility is a device that prevents outbreeding.
Statement $II$: Self-incompatibility is a genetic mechanism due to which germination of pollen on the stigma of the same flower is inhibited.
In the light of the above two statements,choose the correct answer from the options given below.

• A
  Both statement $I$ and statement $II$ are correct
• B
  Both statement $I$ and statement $II$ are incorrect
• C
  Statement $I$ is correct but statement $II$ is incorrect
• D
  Statement $I$ is incorrect but statement $II$ is correct