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What does the filiform apparatus do at t...

What does the filiform apparatus do at the entrance into or Function of filiform apparatus is to

A

it guides pollen tube form a synergid to egg

B

it helps in the entry of pollen tube in to a synergid

C

it prevents entry of more than one pollne tube into the embryosac

D

it bring about opening of the pollen tube

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE-SEXUAL REPRODUCTION IN FLOWERING PLANTS -Assignment (SECTION C)
  1. Apomictic embryos in citrus arise from

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  2. Which one of the following pairs of plant structures has haploid numbe...

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  3. What does the filiform apparatus do at the entrance into or Function o...

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  4. Uniseuality of floweres prevents

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  5. Which one of the following is resistant action

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  6. Male gametes in angiosperms are formed by the division of

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  7. Which one of the following is surrounded by a callose wall

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  8. What would be the number of chromosomes in the cell of the aleurone la...

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  9. Long filamentous threads protruding at the end of a young cob of maize...

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  10. The arrangement of the nuclei in a normal embryo sac in the dicot plan...

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  11. In a cereal grain the single cotyledon of embryo is represented by

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  12. In a type of apomixis known as adventure embryony embryos develop dire...

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  13. Through which cell of the embryo sac does the pollen tube enter the em...

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  14. Which one of the following represents an ovule, where the embryo sac b...

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  15. Which one of the following statement is correct

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  16. Megaspores are produced from megaspore mother cells after

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  17. Animal vectors are required for pollination in

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  18. Which of the following statement is correct ?

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  19. Albuminous seeds store their reserve food mainly in

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  20. The embryo in sunflower has

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