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Which of the following cannot be considered as a point of difference between cortical and juxtamedullary nephrons?
(a)Their number
(b)Length of loop of Henle
(c)Presence of vasa recta
(d)Presence of peritubular capillaries

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Important Questions on Excretory Products and Their Elimination
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Angiotensin-II is responsible for all of the following except

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Which of the following is not considered as a component of tubular parts of nephron?

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Even under the influence of , maximum reabsorption of water occurs in which of the following segments of a nephron?

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Most of vertebrates can maintain a constant internal osmolarity different from the surrounding medium, except

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Some animals convert highly toxic into least toxic trimethylamine oxide (TMAO) and retain high concentration of TMAO and urea to minimise loss from body are

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A freshwater fish maintains osmoregulation by

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Consider the following water conservation mechanisms
A. Nasal countercurrent mechanism
B. Dependence on metabolic water
C. Highly hypertonic urine
D. Living more on protein rich diet
The kangaroo rat living in desert can survive without drinking water because of

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The parts of nephron situated in medullary region of kidney is
