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Both, autogamy and geitonogamy are preve...

Both, autogamy and geitonogamy are prevented in

A

Castor

B

Maize

C

Papaya

D

Cucumber

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The correct Answer is:
C
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Explore conceptually related problems

Autogamy as well as geitonogamy is prevented in

Geitonogamy is

(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 .

Geitonogamy is:

Assertion :- In monoecious plants neither autogamy nor geitonogamy can be observed. Reason :- In monoecious plants male and female flowers produce on different plants

Autogamy means

Assertion : Although geitonogamy is functionally crosspollination involving a pollinating agent, genetically it is similar to autogamy. Reason : In geitonogamy, pollen grains from the anthers of one flower are transferred to the sigma of another flower borne on the same plant.

GRB PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Fruits and Seeds
  1. When pollen tube enters through micropyle, it is called:

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  2. Most resistance biological material is Or An organic substance tha...

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  3. Both, autogamy and geitonogamy are prevented in

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  4. What is the function of germ pore

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  5. Plants with ovaries having only one ore a few ovules are generally pol...

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  6. Which one of the following statements is wrong?

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  7. Which one of the following may require pollinators but is generaticall...

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  8. Transmission tissue is characteristic feature of

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  9. Which one of the following statements is not true

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  10. Which of the following are the important floral rewards to the animal ...

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  11. Male gametophyte in angiosperms produces:

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  12. Coconut water from a tender coconut is:

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  13. The wheat grain/maize grain has an embryo with one, large, shield shap...

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  14. Which one of the following statements is not true?

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  15. Seed formation without fertilization in flowering plants involves the ...

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  16. Which one of the following generates new genetic combinations leading ...

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  17. In majority of angiosperms:

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  18. Pollination in water by hyacinth and water lily is brought about by th...

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  19. the ovule of an angiosperm is technically equivalent to

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  20. Which of the following statements is not correct?

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