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Both, autogamy and geitonogamy are preve...

Both, autogamy and geitonogamy are prevented in

A

Papaya

B

cucumber

C

castor

D

maize

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The correct Answer is:
A
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Autogamy as well as geitonogamy is prevented in

Geitonogamy is

(a) Describe any two devices in a flowering plant which prevent both autogamy and geitonogamy. (b) Explain the events upto double fertilization after the pollen tube enters one of the synergids in an ovule of an angiosperm .

Geitonogamy is:

Assertion :- In monoecious plants neither autogamy nor geitonogamy can be observed. Reason :- In monoecious plants male and female flowers produce on different plants

Autogamy means

Assertion : Although geitonogamy is functionally crosspollination involving a pollinating agent, genetically it is similar to autogamy. Reason : In geitonogamy, pollen grains from the anthers of one flower are transferred to the sigma of another flower borne on the same plant.