Question

define unisexual and bisexual flowers giving two example each

Answer 1

unisexual means having only single gender and bisexual means an organism with two genders or sexual parts.

ex : datura , chamanthi etc.

Answer 2

A "perfect" flower has both stamens and carpels, and may be described as "bisexual" or "hermaphroditic". A "unisexual" flower is one in which either the stamens or the carpels are missing, vestigial or otherwise non-functional