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A dioecious flowering plant prevents bot...

A dioecious flowering plant prevents both

A

Autogamy and xenogamy

B

Autogamy and geitonogamy

C

Geitonogamy and xenogamy

D

Cleistogamy and xenogamy

Text Solution

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The correct Answer is:
B
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Explore conceptually related problems

(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 .

State True of False (i) Light nd non sticky pollen grains are characteristic of wind pollinated floweres (ii) Dioecious conditin in plants prevents xenogamy

(a) Mention any four strategies adopted by flowering plants to prevent self- pollination. (b) Why is geitonogamy also referred to as genetical autogamy?

A dioecious plant is

Non flowering plants are called

A dioecious plant has

Non-flowering plants belongs to :

ERRORLESS -SEXUAL REPRODUCTIO IN FLOWERING PLANTS-Sexual Reproductio In Flowering Plants
  1. The below figure shows 2 plants of the same species identify the types...

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  2. Pollination in water hypacinth and water lily is brought about by the ...

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  3. A dioecious flowering plant prevents both

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  4. Attractants and reward are required for

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  5. Which of the following has proved helpful in preserving pollen of foss...

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  6. Pollen grains can be stored for several years in liquid nitrogen havin...

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  7. The ovary after fertilization is converted into

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  8. Micropyle of seed facilitates in the entry of:

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  9. The given figure is associated to double fertilization A, B, C, D, E, ...

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  10. when the pollen tube enters through the micropyle it is termed as

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  11. Female gametophyte of a typical dicot at the time of fertilization is

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  12. Which of the following events takes place after double fertilization

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  13. Double fertilization was discovered by

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  14. When pollen tube enters by integuments then the process is called

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  15. Double fertilization is a characteristic of

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  16. Fertilization of egg takes place inside

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  17. Which of the following floral parts forms pericarp after fertilization

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  18. Which of the following is not true for double fertilization

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  19. The nuclei of the sperm and egg fuse as a result of

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  20. Number of nuclei taking part in double fertilization is

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