Sexual Reproduction In Flowering Plants — BIOLOGY STD 12 Science — Question

→Plants use two abiotic (wind and water) and one biotic (animals) agent to achieve pollination.
→Majority of plants use biotic agents for pollination. Only a small proportion of plants use abiotic agents.
→Pollen grains coming in contact with the stigma is a chance factor in both wind and water pollination.
→To compensate for these uncertainties and associated loss of pollen grains, the flowers produce enormous amount of pollen when compared to the number of ovules available for pollination.