Differentiate between self-pollination and cross-pollination.

Characteristics Self-pollination Cross-pollination Definition Transfer of pollen grains take place within the flower is known as self-pollination. Transfer of pollen grains from the anther of one flower to the stigma of another flower of same species is known as cross-pollination. Characteristics Self-pollination Cross-pollination Genetic diversity Self-pollination does not increase the genetic diversity of the plant. Cross-pollination increases the genetic diversity of the plant. Type of flower Self-pollination takes place in a bisexual flower. Cross-pollination takes place in unisexual flowers.

What is reproduction? Name the different types of reproduction.

Reproduction is a vital process for the existence of a species and it also brings suitable changes through variation in the offspring for their survival on earth. Reproduction enables and ensures the continuity of species, generation after generation. The two types of reproduction are sexual reproduction and asexual reproduction.

Name the male and female reproductive whorl of a flower.

A flower is a plant's reproductive organ. The stamen is the male reproductive whorl which is a pollen-producing reproductive organ and the carpels or pistils is the female reproductive whorl of the flower.