Question

Mention major contrivances for self pollination

Answer 1

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Major contrivances for self pollination:

production of cleistogamous flowers: closed flowers.... if the flower does not open then there is no chance of any other pollen grain of a different flower to land on the stigma of the flower.

monocliny: means production of bisexual flowers.

homogamy: maturation of male and female sex organs at the same time to bring about self pollination.

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Answer 2

Self Pollination

Explanation:

• Contrivances for self fertilization such as The significant contraptions or adjustments which favors self fertilization are  (a) Bisexuality  Flowers  should be bisexual swinger or hermophrodite. (b) Homogamy -Stigma and Anther of the bisexual flowers of some plants mature at the same time.
• Flower naturally are for the most part cross pollinated.
• There are different adjustments for this procedure. In unisexual and cross-sexual roses, certain gadgets are available for the viable self fertilization and maintaining a strategic distance from cross fertilization, which are called contrivances of self pollination.
• They are androgyny both male and female sex organs in single flower, homogamy-inbreeding and cleistogamy-engendering utilizing non-opening, self pollinating flower.