Question

Which among the following is the only one mechanism that brings genetically different types of pollen grains to stigma?

• A. Autogamy
• B. Geitonogamy
• C. Cleistogamy
• D. Xenogamy

Answer 1

Answer:

D. Xenogamy

Xenogamy:

• The transfer of pollen grains from the anther of one flower to the stigma of another flower of a different plant is known as xenogamy.

• Xenogamy is a cross-pollination.

• Example: Onion.