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Name the initial cells of the male and f...

Name the initial cells of the male and female gametophytes.

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The haploid microspores (n) and megaspores (n) are the initial cells of the male and female gametophytes.
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  1. Name any three plants in which natural vegetative propagation occurs t...

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  2. Which is the initial stage of the sporophyte in sexually reproducing p...

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  3. Name the initial cells of the male and female gametophytes.

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  4. State any two subaerial modifications for vegetative propagation.

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  5. Which characteristics of endothercium help in the dehiscence of the a...

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  6. What role does the tapetum play?

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  7. What is an anatropous ovule?

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  8. What is funicle? What is hilum?

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  9. In angiosperms, during vegetative reproduction, propagules are produce...

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  10. What is chalaza?

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  11. Give one example each of dicot endospermic seed and nonendospermic see...

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  12. Which flowers are called ornithophilous?

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  13. Which plants produce needle like pollen grains?

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  14. What is dichogamy?

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  15. Formation of primary endosperm nucleus is called triple fusion. Give r...

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  16. What are slips produced by tuberous roots during vegetative reproducti...

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  17. Enlist any two floral adaptations in Salvia.

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  18. Which buds sprout under favourable conditions in sweet potato to produ...

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  19. What is stock?

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  20. At which stage, the pollen grains are liberated in the most angiosperm...

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