$A$ : Androecium of Cucurbita is synandrous.

$R$ : Anthers as well as filaments of stamens are united throughout their whole length.

• A

  Assertion and Reason both are correct and also correct explanation.

• B

  Assertion and Reason both are correct but not explanation of assertion.

• C

  Assertion is correct, but Reason is incorrect.

• D

  Both Assertion and Reason are incorrect.