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In micturition...

In micturition

A

Urinary bladder relax

B

Dartos muscle contract

C

Urethra relax

D

All of the above

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The correct Answer is:
C
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Assertion: During micturition, urine is prevented from flowing back into the ureters. Reason: Urethral sphincters contract during micturition

Parasympathetic activity during micturition causes :-

During micturition, the urinary bladder …………. and the urethral sphincters ………..

Give the names of the hormones released by neurohypophysis. A boy shows excessive thirst and micturition because of deficiency of a hormone secreted by neurohypophysis. Name the disease he is suffering from.

Medulla oblongata controls I. breathing and blood pressure II. Gut peristalsis and gland secretion III. Vasodilation and vasoconstriction IV. Laughing and micturition

Assertion. The urinary bladder has a well developed, 3-layered detrusor muscle in its wall. Reason. Bladder gradually contracts to drive urine out during micturition.

Fill in the blanks with appropriate words : (a) During micturition, the urinary bladder .......and the urethral sphincters ...... . (b) Flame cells and malpighian tubules are found in ...... And......, respectively. (c) Blood enters the glomerulus through .......arteriole and leaves via the.....arteriole. (d) Two counter-current systems are formed in the kidney by the .....and the....... . (e) Sweat serves to eliminate mainly .......and........ .

The micturition reflex

What is micturition?

NEET MAJOR TEST (COACHING)-MAJOR TEST 2-BIOLOGY
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  2. Glomerular filtrate contains -

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  3. In micturition

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  4. A man takes large amount of protein. He is likely to excrete more amou...

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  5. Principal argan for absorption of nutrients is ?

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  6. Which enzyme initiate the chemical process of digestion in buccal cavi...

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  7. Identify Label 'A' in the following figure ?

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  8. Why the partial pressure of CO(2) is high at tissue-site?

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  9. In humans, Another name for decreasing Aorta is:-

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  10. In which of the following stage of cardiac cycle semilunar vines remai...

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  11. A minute vessel emerging from peritubular capillary network runs paral...

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  12. Which of the following is not a part of filtration Membrane?

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  13. Presence of Ketone bodes is urine are indicative of :-

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  14. Grasslands can supports greater grazing rates by herbivores than fores...

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  15. Which of the following statements regarding the movement of energy and...

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  16. (A) P-cycling depends only on biological processes (B) In general, f...

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  17. Which of the following statements about food chains and energy flow th...

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