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Contractile vacuole is important for exc...

Contractile vacuole is important for excretion in

A

Amoeba

B

Hydra

C

Paramecium

D

A and C

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BEYOND PUBLICATION-EXCRETION-THE WASTAGE DISPOSING SYSTEM-EXERCISE
  1. Choose the correct order from the following:

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  2. One of the following is a correct compostion of urine

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  3. Contractile vacuole is important for excretion in

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  4. Excretory organs in platyhelmenthes

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  5. The white milky fluid secreted from the plants

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  6. Tears are……………..

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  7. This hormone is in gas form

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  8. Way of passage of urine in human body

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  9. The faliure of the kidney is called………………

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  10. The dark coloured outer zone of kidney is called ………………… .

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

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  12. The person A urinated less concentrated urine. The person B urinated h...

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  13. a) Podocytes are formed of epithelial tissue b) Podocytes posses por...

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  14. The yellow colour of urine of the vertebrates is due to

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  15. Give reasons. When urine is discharged, in beginning it is acidic in...

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  16. A woman 'S' Is in uremia stage. Therefore………….. (i) Legs and hands ar...

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  17. After the process of dialysis, the cleared blood is pumped back to the...

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  18. a) Synthesis of waste products in plants is very slow b) Plant do no...

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  19. a) It is not good for health while sleeping under the tree during nigh...

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  20. Some animals can't eat some parts of the plants. Because a) They do ...

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