Class 12 Biology Sexual Reproduction in Flowering Plants Out breeding Devices

Easy

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

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Class 12 Questions

Class 12

Biology Questions

Chapter

Sexual Reproduction in Flowering Plants

Subtopic

Out breeding Devices

Similar Questions

In papaya,male and female flowers are present on different plants. This condition permits:

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Select the correct option for self-pollination in plants from the following.

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Which of the following prevents pollen germination or pollen tube growth?

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The maturation of male (anthers) and female (stigma) reproductive structures at different times in the same flower (in order to reduce the possibility of self-pollination) is called:

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...... prevents both autogamy and geitonogamy.

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