Zoology · 2020
NEET 2020 · 14 October · Code Z6 · Q66
The increase in osmolarity from outer to inner medullary interstitium is maintained due to: (i) Close proximity between Henle's loop and vasa recta…
The increase in osmolarity from outer to inner medullary interstitium is maintained due to :
(i)
Close proximity between Henle's loop and vasa recta
(ii)
Counter current mechanism
(iii)
Selective secretion of $\displaystyle \mathrm{HCO}_3^{-}$ and hydrogen ions in PCT
(iv)
Higher blood pressure in glomerular capillaries
Official answer
(3)
(i) and (ii)
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NEET (UG) 2020 Zoology question, with the answer from NTA’s final answer key. Where our answers come from.