Question

When pollens of a flower get transferred to the stigma of the same flower, it is called _________.

• A. Self pollination
• B. Cross pollination
• C. Fertilisation
• D. Dispersal

Answer 1

The correct option is A

Self pollination

The correct option is A.

Explanation of the correct option :

1. The transfer of pollen grains from the anthers of a flower to the stigma of a flower is called pollination.
2. After the pollen grains are shed from the anther, they can reach the stigma of a flower by a number of means.
3. When the pollens of a flower get transferred to the stigma of the same flower (on the same plant) is called self-pollination.
4. It generally does not require any external agent. Examples: mango, banana, and China rose.

Explanation of the incorrect options:

Option B:

1. Cross-pollination occurs when the pollen of a flower gets transferred to the stigma of another flower (on a different plant) of the same type.
2. It requires external agents like wind, water, and animals. Examples: rose, coriander, drumstick.

Option C:

The process of fusion of male and female gametes to form a zygote is called fertilisation.

Final answer: When pollens of a flower get transferred to the stigma of the same flower, it is called self-pollination.