Class 12 Biology Sexual Reproduction in Flowering Plants Out breeding Devices

Medium

When the pollen grains are not transferred from anthers to the stigma in a flower due to a physical barrier or fence,or when some natural barrier exists between the androecium and gynoecium to check self-pollination,it is known as:

AIIMS 1993 All AIIMS

A
Heterostyly
B
Herkogamy
C
Dichogamy
D
Cleistogamy

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Class 12 Questions

Class 12

Biology Questions

Chapter

Sexual Reproduction in Flowering Plants

Subtopic

Out breeding Devices

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AIIMS 1993 Paper All AIIMS years →

Similar Questions

This is a genetic mechanism that prevents self-pollination by inhibiting pollen germination or pollen tube growth in the pistil,thereby preventing fertilization.

Medium

Give scientific reasons: Outbreeding devices increase fertility.

Medium

Self-incompatibility is a device for
$I$. Ensuring cross-pollination
$II$. Preventing self-pollination
$III$. Ensuring self-fertilisation
$IV$. Genetic control for self-fertilisation
Choose the correct statements from those given above.

Medium

Dichogamy,which helps in cross-pollination,is a floral mechanism in which:

Easy

Monoecious plants with unisexual flowers will prevent $:$

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