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The longest loop of Henle is found in...

The longest loop of Henle is found in

A

kangaroo rat

B

opposum

C

rhesus monkey

D

porcupine.

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The correct Answer is:
A
Kangaroo rat lives in desert, therefore, it needs to conserve water in the body. In kangaroo rat, loop of Henle is significantly longer as it descends further into the medulla and produces a higher concentration gradient in the surrounding tissue so as to produce urine which is 18 times concentran than that of their blood. this gradient allows more water to diffuse into surrounding tissues to be reabsorbed.
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NCERT FINGERTIPS-EXCRETORY PRODUCTS AND THEIR ELIMINATION-Excretory Products And Their Elimination
  1. The dotted appearance of cortex of kidney is due to

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  2. All Bowman's capsules of the kidney are found in

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  3. The longest loop of Henle is found in

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  4. Of the total nephrons, juxtamedullary nephrons constitute.

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  5. Which of the following is the correct sequence of processes involved i...

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  6. Liquid which collects in the cavity of Bowman's capsule is

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  7. Effective filtration pressure in glomerulus is caused due to

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  8. The net pressure gradient that causes the fluid to filter out of the g...

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  9. Complete the following paragraph by selecting the option that correctl...

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  10. A fall in glomerular filtration rate (GFR) activates

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  11. Juxtaglomerular apparatus is made up of

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  12. A large quantity of fluid is filtered everyday by nephrons in the kidn...

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  13. Hippuric acid, creatinines and ketonews are added to urine through

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  14. The maximum amount of electrolytes and water (70-80 per cent) from the...

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  15. Which of the following is removed from the filtrate at loop of Henle?

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  16. Read the given statements and identify the structure referred here. ...

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  17. Which of the following statements are correct? (i). Renal vein takes...

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  18. Select the correct option representing the parts of nephron that respe...

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  19. The given figure shows reabsorption and secretion of major substances ...

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  20. Which one of the following statements in regard to the exretion by the...

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