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Substances like amino acids and glucose ...

Substances like amino acids and glucose in the iiltrate are reabsorbed ...a... in the tubular epithelial cells whereas the nitrogenous wastes are absorbed by ..b... transport. 

A

a-actively, b-passive 'Â

B

 a-passively, b-active

C

a-actively, b-active

D

a-passively, b-passiveÂ

Text Solution

Verified by Experts

The correct Answer is:
A
 Substances like amino acids and glucose in the filtrate are reabsorbed actively in the tubular epithelial cells whereas the nitrogenous wastes are absorbed by passive transport.Â
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Fill up the balnsk in the following paragraph by selcting the correct option. Small amounts of monoaccharides like glucose, amino acids and osme of elctrolytes like chloride ions are absorbed by (i). However, some of the substances like fructose and some amino acids are absorbed by the mechanism called the (ii). Various nutrients like amino acids and electrolytes like Na^(+) are absorbed into the blood by (iii).

Fill in the following blanks with suitable words : (a) Gums and resins are the ........ Products of plants (b) Bowman's capsule and tubule taken together make a ...... (c) The organs which extract the nitrogenous wastes from the blood are..... (d) The extracellular fluid which always flows from body tissues to the heart is called ...... (e) The ....... blood cell make antibodies whereas ...... blood cells help in respiration

Knowledge Check

  • Which of the following statements is INCORRECT? I. Human kidneys can produce urine nearly six times more concentrated than the initial filtrate formed. II. An increase in body fluid volume can switch on the osmoreceptors and stimulate ADH. III. Substance like glucose, amino acids, Na^+ , etc., in the filtrate, are reabsorbed actively by the renal tubule whereas the nitrogenous wastes are absorbed by passive transport IV. Each kidney has nearly one million complex tubular structures called nephrons which are the functional units.

    A
    I and II
    B
    III and IV
    C
    I, II and III
    D
    II, III and IV

  • Substances like glucose, amino acid NA^(+) etc. in the filtrate are reabsorbed by

    A
    Active transport
    B
    Passive transport
    C
    Both active and passive transport
    D
    Facilitated diffusion

  • Glucose and amino acids in the filtrate are reabsorbed by tubular epitheliar cells through

    A
    Active transport
    B
    Passive transport
    C
    Both 1 and 2
    D
    Osmosis

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    Amino acids, glucose, electrolytes like Na^(+) are absorbed by -

    During urine formation substances like glucose, amino acids, Na^(+) etc in the filtrate are reabsorbed by -

    Most of the nutrients like amino acids, glucose, electrolytes like Na^(+) are absorbed throgh :-

    Read the following statements (a)in tubular reabsorption, substances like glucose, amino acid,Na^+, nitrogenous waste etc are reabsorbed by active transport, while reabsorption of water occur by passive transport (b) 50 -60% of electrolytes and water are absorbed by brush bordered cuboidal epithelium of PCT(c) conditional reabsorption of Na^+ and selective secretion of H^+ and K^+ occurs in DCT(d) filtrate gets concentrated as it moves upward in ascending limb of loop of henle. find the correct option regarding true or false statement.

    Which of the following statements are correct? (i). Reabsorption of water occurs passively in the initial segment of nephron. (ii). Nitrogenous wastes are absorbed by passive transport. (iii). Conditional reabsorption of Na^(+) and water takes palce in DCT. (iv). DCT reabsorbs HCO_(3)^(-) (v). DCT is capable of selective secretion of H^(+),K^(+) and NH_(3) to maintain pH and Na^(+)-K^(+) balance in blood. (vi). Substance like glucose, amino acids, Na^(+) , etc,. it the filtrate are reabsorbed actively.

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