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What does the filiform apparatus do at t...

What does the filiform apparatus do at the entrance into the ovule?
(A) It helps in the entry of pollen tube into synergid
(B) It prevents entry of more than one pollen tube into the embryosac
(C) It brings about opening of the pollen tube
(D) It guides pollen tube from a synergid to egg

A

It helps in the entry of pollen tube into synergid

B

It prevents entry of more than one pollen tube into the embryosac

C

It brings about opening of the pollen tube

D

It guides pollen tube from a synergid to egg

Text Solution

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The correct Answer is:
A
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KUMAR PRAKASHAN-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Section -F (Multiple Choice Questions)
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  2. Transfer of pollen to the stigma of another flower of the same plant i...

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  3. What does the filiform apparatus do at the entrance into the ovule? (...

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  4. The arrangement of the nuclei in a normal embryosac in the dicot plant...

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  5. The contrivances shown by jasmine flower for cross-pollination is (A)...

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  6. With references to cannabis, which of the following options is correct...

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  7. Which of the following is the correct chronological order of the divis...

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  8. If the genetic complex of organism is the same and yet fertilization d...

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  9. The plant developed by parthenogenesis might be (A) only haploid (B...

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  10. Which of the following statement is not true? (A) Insects which consu...

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  11. Which fruti shows polyembryony?

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  12. Name the pore found on the exine of the pollen grains (A) Micropores ...

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  13. Which of the following indicates the development of ovary into fruits ...

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  14. Which of the following is correct option for the type and the number o...

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  15. Which tissue is responsible for producing root from runner of grass?

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  16. Which of the following is correct

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  17. What is the type of pollination observed in viola and oxalis showing c...

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  18. In the development of male gametophyte, the nucleus of pollen divides ...

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  19. In which plant true endosperm is found: A. coconut B. Apple C. Cotton ...

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  20. To prevent contamination of stigma with unwanted pollen… is done

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