Free Excretory Products And Their Elimination (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

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Free Excretory Products And Their Elimination (Daily Quiz: 14) Time:

Question-1

Which is not a part of renal tubule?

(a)

(b)

(c)

(d)

Question-2

Angiotensinogen is a protein produced and secreted by

(a)

(b)

(c)

(d)

Question-3

In mammals, which blood vessel would normally carry largest amount of urea?

(a)

(b)

(c)

(d)

Question-4

Glomerulus is formed by the branching of

excretory-products-and-their-elimination-neet-mcq-7-19-144

(a)

(b)

(c)

(d)

Question-5

The part of the nephron that helps in active reabsorption of sodium is

(a)

(b)

(c)

(d)

Explanation:

Answer: (a)

Loop of Henle is a U- shaped tube that consists of an ascending and descending limb. Its primary role is to concentrate the salts in the interstitium, the tissue surrounding the loop. Descending limb are thin walled and permeable to water but impermeable to salt and thus only indirectly contributes to the concentration of the interstitium. The ascending limbs are thick walled and impermeable to water. It actively reabsorbs the remaining 25% of the filtered K+ and some amounts of Cl– , some $Na^{+}$ is also reabsorbed by diffusion due to electrostatic attraction of reabsorbed Cl– .

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