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Transfer of pollen grains from anther to...

Transfer of pollen grains from anther to the stigma of another flower on the same plant is called

A

xenogamy

B

geitonogamy

C

karyogamy

D

autogamy

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The correct Answer is:
B
Geitonogamy involves the transfer of pollen grains from a male flower to the stigma of another flower growing on the same plant. Thus, geitonogamy operates only in monoecious plant, i.e. plants having male and female flowers on different places, e.d. Zea mays.
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I. Transfer of pollen grains from anther to the stigma of the same flower is termed as .......P...... II. Transfer of pollen grains from anther to the stigma of another flower of same plant is termed as ......Q..... III. Transfer of pollen grains from anther to stigma of a different plant is termed as......C...... Fill in the blanks P, Q and R with give terms.

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ARIHANT NEET-SEXUAL REPRODUCTION IN FLOWERING PLANTS -MEDICAL ENTRANCE EXAMS
  1. Study the following statements and select the correct option. (i) Ta...

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  2. Wind pollinated flowers are

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  3. Transfer of pollen grains from anther to the stigma of another flower ...

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  4. Apomictic embryos in citrus arise from

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  5. The total number of nuclei involved in double fertilisation in angiosp...

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  6. Which of the following is not nutritive?

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  7. In angiospermic plants, the ovule is

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  8. During sexual reproduction in angiosperm, the megaspore is produced by

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  9. Fore-runner of male gamete is

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  10. The versatile anthers are helpful for

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  11. How many male gametes are present in male gametophyte of an angiosperm...

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  12. Egg apparatus of angiosperm consists of

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  13. Which one of the following is mismatched in angiosperm?

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  14. Which of the following is pollinated by water?

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  15. Which of the following statements about sporopollenin is incorrect ?

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  16. Exine in pollen grain in made up of

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  17. Ornithophily refers to the pollination by which or the following :

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  18. In some organisms, karyokinesis is not followed by cytokinesis as a re...

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

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  20. Outer wall/exine of pollen grain is formed of

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