Explanation

Carpel is the female reproductive part of a flower.

It consists of stigma, style, and ovary, which are essential for reproduction.

It forms the fourth and innermost whorl in a flower's structure.

Explanation

Humus is the dark organic material in soil formed by the decomposition of plant and animal matter.

It improves soil fertility by retaining moisture and nutrients essential for plant growth.

Explanation

A typical animal cell contains a central nucleus.

Whereas a plant cell has a cell wall and a large central vacuole.

Animal cells lack a cellulosic cell wall and large central vacuole, which are found in plant cells.

Explanation

Explanation

Papaya plants are mostly dioecious, meaning male and female flowers are on separate plants, requiring cross-pollination.

Wind and insects help transfer pollen from male to female flowers for fruit production.