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What does the filiform apparatus do at t...

What does the filiform apparatus do at the entrance into ovule?

A

It helps in the entry of pollen tube into a synergid

B

It prevents entry of more than one pollen tube into the embryo sac

C

It brings about opening of the pollen tube

D

It guides pollen tube from a synergid to egg

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The correct Answer is:
A
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AAKASH SERIES-SEXUAL REPRODUCTION IN FLOWERING PLANTS -EXERCISE - III (Previous AIPMT/NEET Questions )
  1. Wind pollination is common in

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  2. In which one of the following pollination is autogamous?

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  3. Nucellar polyembryony is reported in species

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  4. Filiform apparatus is a characteristic feature of

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  5. Wind pollinated flowers are

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  6. The scutellum observed in a grain of wheat or maize is comparable to w...

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  7. Transfer of pollen grains from the anther to the stigma of another flo...

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  8. Apomictic embryos in citrus arise from

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  9. An example of a seed with endosperm, perisperm, and caruncle is

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  10. Cotyledons and testa respectively are edible parts in

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  11. fruit developed from hypanthodium inflorescence is called

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  12. The fruit is chambered, developed from inferior ovary and has seeds wi...

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

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  14. Unisexuality of flowers prevents

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  15. The fleshy receptacle of syconus of fig encloses a number of

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  16. Dry indehiscent single-seeded fruit formed from bicarpellary syncarpou...

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

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

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

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

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