A : Cucurbits and coconuts are monoecious plants.
R : Cucurbits and coconuts bear unisexual flowers.

Dear student

Please refer the solution below for the said query


Both A and R are correct and reason (R) is the correct explanation of the assertion (A). 

Cucurbits and Coconut both bear male and female flowers i.e unisexual flowers on the same plant and hence are called monoecious plants.

Hope this information clears your doubt about the topic.

Regards