The correct answer is Pollination.

Key Points

• Pollination is the process by which pollen grains (male gametes) are transferred from the anther of a flower to the stigma (female reproductive organ) of the same or another flower, leading to fertilization and the production of seeds.
• Methods of Pollination:
  • By Wind (Anemophily):
    • Some plants produce light and small pollen grains adapted for wind transport.
    • Examples include grasses and many trees. Wind pollination is common in areas lacking pollinating insects.
  • By Animals (Zoophily):
    • Insects, birds, bats, and other animals are common pollinators.
    • Bees, butterflies, moths, birds, and bats are among the most effective pollinators.
    • Flowers attract these animals through color, fragrance, and nectar.
  • By Water (Hydrophily):
    • In aquatic plants, pollen grains are transported through water.
    • This pollination is relatively rare and is adapted to environments like ponds and lakes.

Additional Information

• Types of Pollination:
  • Self-pollination:
    • This is the transfer of pollen from the anther to the stigma of the same flower or another flower on the same plant.
    • It ensures reproduction but limits genetic diversity.
  • Cross-pollination:
    • This is the transfer of pollen from the anther of a flower of one plant to the stigma of a flower of another plant of the same species.
    • It promotes genetic diversity and is usually facilitated by external agents like wind or animals.
• Role of Bees:
  • Bees play a vital role in pollination as they collect nectar from various plants for their food.
  • While collecting nectar, pollen from the anther sticks to the bodies of the bees.
  • When these bees move to another flower, some of this pollen is transferred to the stigma, facilitating fertilization.