Excretory Products And Their Elimination Ques 53

53. Reabsorption of useful substances from glomerular filtrate occurs in

[1989]

(a) Collecting tube

(b) Loop of Henle

(c) Proximal convoluted tubule

(d) Distal convoluted tubule

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Answer : c

Hints & Solutions

(c) From Bowman’s capsule, glomerular filtrate enters the proximal convoluted tubule. Most of the useful substances like Glucose, Amino Acids, inorganic ions $(Na^{+}, K^{+}, Cl^{-}.$etc), and most of the important buffer bicarbonates are reabsorbed in Proximal Convoluted Tubule. Cells are specially adaptive for absorption having numerous microvilli & mitochondria (to provide energy for active absorption).