Question

Give the difference between unisexual and bisexual flowers. Why the petals of some flowers are seen to be fully opened?​

Answer 1

Unisexual:-

Flower posses only one type of reproductive organs ie either Male(androcium) or female(gynocium)

Flower produce one type of gamet

Example: papaya

Bisexual:-

Flower posses both type of reproductive organs Male(androcium) and female(gynocium)

Flower produce two (Male and female) gamet

Example:China rose

Petals of some plants are fully open because they initiate cross pollination whereas flower which have half open petals initiate self pollination