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Growth of pollen tube towards embryo sac...

Growth of pollen tube towards embryo sac is

A

Geotropism

B

Thigmotaxis

C

chemotaxis

D

Phototaxis

Text Solution

Verified by Experts

The correct Answer is:
C
Growth of pollen tube towards the embryo sac is chemotaxis because this movement is induced by chemicals like auxin hormone and carbohydrate.
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ERRORLESS -SEXUAL REPRODUCTIO IN FLOWERING PLANTS-Sexual Reproductio In Flowering Plants
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  2. In an angiospermic plant, endosperm is formed due to fertilization due...

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  3. Growth of pollen tube towards embryo sac is

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  4. Through which route the pollen tube enters the ovule

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  5. During the process of fertilisation the pollen tube of the pollen grai...

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  6. Which of the following is without exception in angiosperms

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  7. Pollen tube discharge its gametes in

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  8. The formation of embryo without fusion of gametes is termed as

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  9. Triple fusion in angiosperm is the fusion of second sperm with

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  10. After fertilization the outer integument forms

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  11. Which one of the following statements is wrong

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  12. Endosperm is consumed by developing embryo in the seed of

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  13. In the monocotyledonous seeds the endosperm is separated from the embr...

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  14. Select the correct order of endosperm types

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  15. Identify the wrong statement regarding post-fertilisation development.

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  16. which of the following inspite of being dicot lacks cotyledons

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  17. Which one is an example of triploid tissue

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  18. The monocotyledonous seed (wheat grain) consits of one large and shiel...

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  19. Formation, growth and development of a new individual beginning from e...

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  20. The best example of polyembryony is

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