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Pollen grains are formed in...

Pollen grains are formed in

A

Anther

B

Stigma

C

Filament

D

Pollen sac

Text Solution

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The correct Answer is:
D
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GRB PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Fruits and Seeds
  1. Pollen tube when enter throgh integument, it refers to:

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  2. When a diplid female plantis crossed with a tetraplid male, the ploidy...

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  3. Pollen grains are formed in

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  4. For self pollination flower must be:

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  5. In the fully organized Polygonum type of embryo sac, what is the ratio...

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  6. What type of cell division takes place in the functional megaspore ini...

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  7. Coffee plant has chromosome number of 2n in its somatic cells. What is...

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  8. Aleurone layer is part of:

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  9. Which of these is not essential for allogamy?

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  10. Fibrous thickenings of hygroscopic nature are found in which part of a...

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  11. which of the following statements is true with reference to cross poll...

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  12. In turnip, 2/3 part of swollen area is derived from:

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  13. Which of the following is not fuctionally analogous with other in the ...

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  14. Most resistant biological material is:

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  15. The tripolid number of chromosomes of the first taxon is 10 times more...

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  16. The seeds which have no separate endosperm:

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  17. Number of pollen grains produced by head inflorescence of Asteraceae (...

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  18. Pollination by insect is called:

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  19. Male gamete in angiosperm is produced by:

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  20. Double fertilization is fusion of:

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