A dioecious flowering plant prevents both

Autogamy and xenogamy

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Cleistogamy and xenogamy

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Geitonogamy and xenogamy

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Autogamy and geitonogamy

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Solution

The correct option is D Autogamy and geitonogamy
Dioecious plants

When the male and female flowers are borne on two different plants, these plants are called dioecious plants. Both autogamy and geitonogamy cannot occur in dioecious plants that bear unisexual flowers.

Example:- Papaya, date palms, some members of the cucurbitaceae family.

Final answer
(A) Autogamy and geitonogamy

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Similar questions

Choose the correct statement from amongst the following:
(a) Dioecious (hermaphrodite) organisms are seen only in animals.
(b) Dioecious organisms are seen only in plants.
(c) Dioecious organisms are seen only in both plants and animals.
(d) Dioecious organisms are seen only in vertebrates.

Q. Assertion :Unisexual flower are either staminate flowers of pistillate flower. Reason: Both monoecious and dioecious plants have unisexual flowers.

Q. Statement

1

: Unisexual flowers are either staminate flowers or pistillate flowers.
Statement

2

: Both monoecious and dioecious plants have unisexual flowers.

In dioecious plants, male and female flowers grow on the same plant.

Q. Dioecious condition prevents

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Flower

Standard VI Biology

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