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Why do plants shed their leaves and bark...

Why do plants shed their leaves and bark periodically ?

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VGS PUBLICATION-BRILLIANT-EXCRETION-EXERCISE
  1. What happens if both kidneys fail completely ?

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  2. Collect mformatton on sebum and prepare a news bulletin, display it on...

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  3. Why do plants shed their leaves and bark periodically ?

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  4. Name the alkaloids which are harmful to us.

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  5. Do you think there is any relation between reduction in yielding and r...

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  6. Where is the transplanted kidney fixed in the body of a kidney failure...

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  7. What about the failed kidneys ? (Or) Write about the failure of kidney...

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  8. Can donor survive her life with single kidney without any complication...

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  9. Do plants excrete like animals ?

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  10. How do plants manage or send out waste products from its body ?

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  11. Do cells need excretion ?

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  12. Why are we advised to take sufficient water ?

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  13. Why do some children pass urine during sleep at night until 15 or 16 y...

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  14. Why are weeds and wild plants not affected by insects and pests?

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  15. Why is urine yellow in color ?

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  16. Write two slogans to popularize the awareness on "Organ Donation".

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  17. Write two healthy habits which you practice to protect your kidneys fr...

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  18. What precautions you have to take in the observation of internal struc...

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  19. Give two examples for secondary metabolites.

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  20. a) The urine gets concentrated by reabsorption of water. b) Vasopress...

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