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During micturition, the urinary bladdera...

During micturition, the urinary bladder________and the urethral sphincter __________.

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contracts, relaxes
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In micturition

In micturition

Consider the following statement each with two blanks. (i). Annelids have (1).____and insects have (2).____for excretion. (ii). Blood enters the glomerulus via (3)._____arteriole and leaves via (4).____arteriole (iii). During micturition the urinary bladder (5)._____ and the urethral sphincters (6).______ Which one of the following options correcty fills the blanks in any two of the above statements?

Micturition is

Micturition is

Micturition is

In frog the urinary bladder is

The urinary bladder is absent in

What is micturition?

The urinary bladder stores urine temporarily.

ICSE-EXCRETORY PRODUCTS AND THEIR ELIMINATION-TEST YOUR PROGRESS ( OBJECTIVE TYPE QUESTIONS ) (Fill in the blanks with appropriate words.)
  1. The hormone ADH increases the absorption of ............... from the c...

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  2. Kidneys are concerned with the functions of ...... and .........

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  3. During micturition, the urinary bladderand the urethral sphincter .

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  4. Two counter -current systems formed in the kidney are by the and the .

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  5. Urine passes out of the bladder through the .

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  6. Ammonia is the chief nitrogenous excretory material in.............

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  7. The function of a ureter is................. of urine.

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  8. Osmoregulation is the control over the

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  9. Desert mammals are adapted to water shortage by having nephrons with l...

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  10. An animal is not an osmoregulator if its fluids are ............... wi...

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  11. A healthy adult human excretes (on an average) gm of urea/day.

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  12. The yellow colour of urine is due to the presence of

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  13. Kidney of a mammal resembles to the contractile vacuole of Amoeba in e...

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  14. Urine is carried from the kidneys by ..........to the urinary bladder.

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  15. Urea is formed from ammonia and carbon dioxide in .......

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  16. In man, the urea is mainly produced in

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  17. A condition of failure of kidney to form urine is called

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  18. The bunch of capillaries present in the Bowman's capsule is called

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  19. The permeability of the distal tubule and collecting duct to water is ...

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  20. Glycosuria is the condition, where a man

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