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Explain the role of tapetum in the forma...

Explain the role of tapetum in the formation of pollen-grain wall .

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ALLEN-REPRODUCTION IN ORGANISMS & SEXUAL REPRODUCTION IN FLOWERING PLANTS-Question
  1. What would be the genetic nature of apomictic embryos ? Can they be ca...

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  2. what is emasculation ? Why and when is it done ?

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  3. Explain the role of tapetum in the formation of pollen-grain wall .

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  4. What is apomixis and what is its importance?

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  5. Arrange the following terms in the correct developmental sequence: Po...

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  6. Describe the mutual relationship between fig tree and wasp and comment...

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  7. It sweet potato analogous or homologous to potato tuber ? Give reasons...

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  8. Why do moss plants produce very larg number of male gametes ? Provide ...

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  9. AMOSS Plant is unable to complete its life-cycle in a dry environment....

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  10. How do plants produce seeds through apomixis? Explain with the help of...

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  11. Geitonogamous flowering plants are genetically autogamous but function...

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  12. What would happen if syngamy does not occur ?

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  13. What do you think -is vegetative reproduction also a type of asexual r...

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  14. In potato, sugarcane, banana ginger and dahlia, the new plantlets inva...

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  15. How long does it take form marigold, rice, wheat, coconut, mango plant...

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  16. What is vegetative propagation? Give two suitable examples

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  17. Identify each part in a flowering plant and write whether it is haploi...

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  18. Differentiate between gametogenesis from embryogenesis.

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  19. What are chasmogamous flowers? Can cross-pollination occur in cleistog...

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  20. Make a list of any three outbreeding devices that flowering plants hav...

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