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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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What does the filiform apparatus do at the entrance into or Function of filiform apparatus is to (a) Brings about opening of pollen tube (b) Guides pollen tube from synergid to egg (c) Helps in the entry of pollen tube into synergid (d) Prevents entry of more than one pollen tube into embryo sac

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What does the MODEM do?

Identify the correct statement about fertilization. I. Pollen grain germinates on the stigma. II. The filiform apparatus guides the pollen grain to the egg. III. The micropyle doesn't allow entry of male gametes . IV Pollen pistil interaction determines the promotion or inhibition of pollen.

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. Nucelllar polembryony is reported in species of

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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 growing from hypanthodium/fruit of fig is

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  12. Which of the following fruits is chambered , developed from inferior o...

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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. Fleshy receptacle of the 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 gamates in angiosperms are formed by

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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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