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Excretory organs are first appear in...

Excretory organs are first appear in

A

Nematodes

B

Platyhelmenthis

C

Aves

D

Reptiles

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BEYOND PUBLICATION-EXCRETION-THE WASTAGE DISPOSING SYSTEM-EXERCISE
  1. Name the alkaloid that acts as stimulant of central nervous system.

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  2. Rubber is produced from ...................... of Heavea braziliensis ...

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  3. Excretory organs are first appear in

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  4. Who performed the first kidney transplantation?

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  5. This organ also involved in urea formation

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  6. Urine has amber colour due to presence of

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  7. Blood flows from renal artery to glomerulus through

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  8. Blood flows inside the glomerulus under the influence of pressure due ...

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  9. Which of the following would lead to increase urine production?

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  10. All the parts of the renal tubule are covered by a network of pertitub...

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  11. The principle involved in dialysis is ..................... .

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  12. Name the endocrine gland which is present on the kidneys.

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  13. Name the alkaloid that is used as medicine for snake bite.

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  14. Special excretory organs are absent in

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  15. A person's. limbs are swollen and he is suffering from weakness and fa...

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  16. Match the following.

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  17. The oxygenated blood enters into kidneys through………….. (i) and ……….(ii...

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  18. Special excretory organs are absent in

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  19. A person's. limbs are swollen and he is suffering from weakness and fa...

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  20. Vicky's brother is a regular bed wetter? What might be the reason for ...

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