NEET 2021 Biology Paper

• Xenogamy refers to the transfer to pollen grains from anthers of one plant to stigma of a different plant which during pollination, brings genetically different types of pollen grains to stigma.
• Cleistogamy is a condition is which flower does not open.
• Geitonogamy refers to the transfer of pollen grain from anther to stigma of another flower of the same plant.
• Chasmogamy is a condition in which flowers remain open.