The generative cell of a two-celled pollen divides in the pollen tube but not in a three-called pollen. Give reasons.

Each pollen tube contains

Each pollen tube contains

Photoelectric cell is also called

After Pollination,if the 2-celled pollen grain comes across dry stigma, then there will not be germination of pollen grain. Give reason.

Find the odd out: Stigma, style, pollen, ovary.

When pollen grains are directly received by ovules in the pollen chamber, it is………… .

Differentiate between Pollen and pollenium

Explain the role of tapetum in the formation pollen grain wall.

The ability of a plant cell to divide and generate a whole new plant is called__________