$A$ - In several fungi and plants,terms such as Homothallic and Monoecious are used to represent bisexual conditions.
$R$ - Dioecious is the term used to describe unisexual conditions.

• A
  $A$ and $R$ are correct.
• B
  $A$ and $R$ are incorrect.
• C
  $A$ is correct,$R$ is incorrect.
• D
  $A$ is incorrect,$R$ is correct.