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An anther with malfunctioning tapetum of...

An anther with malfunctioning tapetum often fails to produce viable male gametophytes . Give one reason

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Tapetum provides nutrition to developing male gametophytes. Due to malfunctioning of tapetum, proper nutrition is not available for formation of viable male gametophytes,
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MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Revison Exercises (B. Questions From Cbse Board Examinations)
  1. The meiocyte of an onion plant contains 32 chromosomes. Workout the nu...

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  2. A bilobed, dithecous anther has 100 microspore mother cells per micros...

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  3. An anther with malfunctioning tapetum often fails to produce viable ma...

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  4. Cucurbits and papaya plants bear staminate and pistillate flowers. Men...

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  5. The following statements describe the wind pollinated plants. Which on...

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  6. Give an example of a plant which came into India as a contaminant and ...

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  7. Give an example of a plant which came into India as a contaminant and ...

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  8. An anther with malfunctioning tapetum often fails to produce viable ma...

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  9. What is double fertilization in angiosperms?

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  10. How does the pollen mother cell develop into a mature pollen grain? Il...

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  11. Draw a longitudinal section of a post-pollinated pistil showing entry ...

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  12. (i ) Write the characteristics features of anther, pollen and stigma o...

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  13. (a) Mention any four strategies adopted by flowering plants to prevent...

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  14. Write the function of tapetum in anthers.

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  15. Explain the function of each of the following : (a) Coleorihiza , ...

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  16. Explain any three advantages the seeds offer to angiosperms.

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  17. Make a list of an y three outbreeding devices that flowering plants ha...

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  18. Why are angiosperm anthers called dithecous ? Describe the structure o...

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  19. Double fertilization is resported in plants of both castor and groundn...

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  20. A mature, embryo-sac in a flowering plant may possess 7-cells, but 8-n...

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