Question

what is a bisexual flower

Answer 1

When a flower has both the essential whorls i.e., androecium and gynoecium (male and female reproductive units), including stamens, carpels and an ovary, it is called bisexual or perfect flower. 

Answer 2

Bisexual flowers have both male (androecium)
 and female (gynoecium) ................reproductive structures, including stamens, carpels, and an ovary. thats why its name is bisexual flowers .