$I. $ Sperm cells immediately when they are released from the body and are placed in a petri plate remain alive for much longer duration.

$II.$ Semen contains chemicals that causes females smooth muscles to contract

• A

  Statement $I$ is true, but $II$ is false

• B

  Both statements $I$ and $II$ are false

• C

  Statement $I$ is false, but $II$ is true

• D

  Both statements are true