Question

One plant produces only female white flower, if it produce pink flower in the next generation then which one of the following is possible?

• A. Double fertilisation
• B. Self pollination
• C. Cross pollination
• D. No fertilisation

Answer 1

Answer: (C)

Cross pollination

If it produces a pink flower in the next generation then cross-pollination might have occurred.

Cross-pollination - The transfer of pollen from the male reproductive organ (an anther or a male cone) of one plant to the female reproductive organ (a stigma or a female cone) of another plant. Insects and wind are agents of cross-pollination.

Double fertilization is a complex fertilization mechanism of flowering plants (angiosperms). This process involves the joining of a female gametophyte (megagametophyte, also called the embryo sac) with two male gametes (sperm).

There are two types of self-pollination: In autogamy, pollen is transferred to the stigma of the same flower. In geitonogamy, pollen is transferred from the anther of one flower to the stigma of another flower on the same flowering plant or from microsporangium to ovule within a single (monoecious) Gymnosperm.

Therefore, the correct answer is option C.