POLLINATION IN PLANTS 2

BIOLOGY SSS 2 THIRD TERM

WEEK TEN

POLLINATION IN PLANTS 2

PERFORMANCE OBJECTIVE

Students should be able to;

  1. Differentiate between cross and self pollination
  2. State features of self-pollinated and cross-pollinated flowers
  3. State the features of wind, water, insect and animal pollinated flowers.
  4. State and write down the agents of pollination

CONTENT

Adaptation for self-pollination

In nature self-pollination is favoured by one of the following adaptations in flower:

  1. Homogamy: Homogamy is the condition in which flowers are bisexual anther and stigma mature at the same time to make self-pollination possible. Under such a condition the stigma receives the pollen grains from the anthers of the same flower by the agency of wind or insects. E.g., Mirabilis, Ixora, Sunflower, etc.
  2. Cleistogamy: There are some bisexual flowers, which.... View More

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