Question

Why dichogamy favours cross pollination ?

Answer 1

Dichogamy is a condition in which the maturity time of the androecium and gynoecium differs. Sometimes the male organ matures first and sometimes the female.

So self pollination is prevented

During this time if pollen grains of another plant of the same species fall on the stigma of the dichotomous flower then pollination will occur which is cross pollination.

Answer 2

Answer:

(1) Maturation of anther (stamen) and stigma (carpel) at different times is called dichoga

(2) Dichogamy is two types viz protandry and protogYny.

(3) Maturity ol anthers belore hat of gyioecium is protandry and maturity of carpel betore maturity of pollen grains is protogyny.

(4) As this forms barrier for self-pollination, dichogamy favours cross pollination. create offspring for next generation is achieved. Hence these are the crucial events for fruit formation.

Learn more :

Why nature favours cross pollination over self pollination.

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