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Name the two types of tapetum. Mention a...

Name the two types of tapetum. Mention any one function of tapetum.

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Tapetum are of two types . Secretory tapetum and Invasive tapetum . Tapetum nourishes the pollen grains.
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FULL MARKS-ASEXUAL AND SEXUAL REPRODUCTION IN PLANTS-Additional Questions (2- Mark Questios)
  1. Give a comparative account on the wall layers of Anther.

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  2. Tapetum is dual in origin - Justify .

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  3. Name the two types of tapetum. Mention any one function of tapetum.

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  4. Differentiate between Exine and Intine of pollen grain.

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  5. What are the chemical components that make up the wall layers of polle...

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  6. Draw and label the structure of a typical pollen grain.

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  7. At which cellular stage , does the pollen grains are usually liberated...

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  8. Write the equivalent botanical terms for the following words / sentenc...

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  9. What is Nucellus ?

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  10. What is integumentary tapetum ?

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  11. Mention the types of ovule seen in the members of (a) Cactaceae (b) ...

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  12. What does the term 'Bisporic development of embryo sac ' refers to ? G...

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  13. State the role of filiform apparatus found in embryo sac of angiosperm...

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  14. What is pollination ? Mention its types.

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  15. Why pollination in gymnosperm is said to be direct ?

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  16. Define Homogamy with an example

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  17. What is cross - pollination ? What are its types ?

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  18. Distinguish between monoecious and dioecious plants .

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  19. Define the following terms . (a) Protandry (b) Protogyny

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  20. What is Heterostyly ? Give example.

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