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Dichogamy which helps in cross pollinati...

Dichogamy which helps in cross pollination is a floral mechanism in which

A

Pollen sac and stigma are at different heights

B

Anther and stigma mature at different times

C

Structure of pollen sac and stigma functions as hurdles

D

Pollen grain is unable to germinate on the stigma of the same flower

Text Solution

Verified by Experts

The correct Answer is:
B
Dichogamy is the maturation of another and stigmas of a flower at different times e.g. sunflower.
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  2. Pollination by slug and snails is called

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  3. Dichogamy which helps in cross pollination is a floral mechanism in wh...

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  4. Correct definition of pollination is

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  5. Which of the following is pollinated by water

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  6. Which prevents self pollination or Main condition for a plant to perfo...

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  7. Large Stout, nocturnal flowers producing copious nectar and emitting f...

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  8. In plants in nature, autogamy is avoided since the seeds produced

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  9. Wind pollinated flowers are

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  10. Wind pollination is common in

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  11. Pollination by water is seen in

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  12. Which one of the following may require pollinators but is generaticall...

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  13. In sausage tree (Kigelia africana) the pollination takes place by

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  14. part of the gynoecium which receives the pollen is called

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  15. The diagram given below shows the plant of Commelina with two type of ...

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  16. Xenogamy is essentially a type of

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  17. A close relation between flower and pollinating agent is best exhibite...

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  18. Pollination characteristically occurs in

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  19. The transfer of pollen from the stamen to the stigma of the same flowe...

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  20. Progency produced as a result of cross pollination

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