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How is pollination carried out in water ...

How is pollination carried out in water plants?

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(a) In many aquatic plants, flowers coming immediately from water are pollinated by wind and insects
(b) In aquatic plants pollination occurs below water surface then it is called Hypohydrophili eg. Ceratophylum.
(c ) In aquatic plants if pollination occurs above surface of water it is called surfaidal water pollination (Apihydrophili) eg. Valisneria, Spyralis
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Widal Test is carried out to test :

KUMAR PRAKASHAN-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Section -E (Solution of NCERT Exemplar)(Very Short Answer Type Questions)
  1. Name the component cells of the egg apparatus in an embryo sac

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  2. Name the part of gynoecium that determines the compatible nature of po...

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  3. Name the common function that cotyledons and nucellus perform

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  4. Complete the following flow chart Pollen Mother cell rarr Pollen tetra...

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  5. Indicate the stages where meiosis and mitosis occur (1, 2 or 3) in the...

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  6. In the diagram given below, show the path of a pollen tube from the po...

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  7. Name the parts of pistil which develop into fruit and seeds

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  8. In case of polyembryony, if an embryo develops from the synergid and a...

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  9. Can an unfertilised, apomictic embryo sac give rise to a diploid embry...

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  10. Which are the three cells found in a pollen grain when it is shed at t...

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  11. What is self-incompatibility ? Why does self pollination not lead to s...

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  12. Name the type of pollination in self-incompatiable plants

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  13. With a neat diagram explain the 7-celled, 8-nucleate nature of the fem...

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  14. Which is the triploid tissue in a fertilised ovule? How is the triploi...

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  15. Are pollination and fertilisation necessary in apomixis ? Give reasons

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  16. Identify the type of carpel with the help of diagrams given below

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  17. How is pollination carried out in water plants?

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  18. What is the function of the two male gametes produced by each pollen g...

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