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Excretory Products and th question bank (Biology)

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Q1.

Aldosterone from adrenal cortex stimulates the reabsorption of water and $\text{Na}^+$ from ______.

(A)
Proximal Convoluted Tubule (PCT)
(B)
Ascending limb of loop of Henle
(C)
Distal Convoluted Tubule (DCT)
(D)
Descending limb of loop of Henle
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Q2.

Which one of the following autoregulatory mechanisms is employed by the kidney when glomerular filtration rate is reduced?

(A)
Levels of renin, angiotensin I and II and aldosterone are increased.
(B)
Levels of renin and aldosterone are reduced.
(C)
Levels of renin are increased, while those of angiotensin I and II and aldosterone are reduced.
(D)
Levels of angiotensin I and II are increased, while that of aldosterone are reduced.
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