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CBSE

Subject

Biology
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NEET Biology : Digestion and Absorption

Multiple Choice Questions

11.

Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?

  • Argentaffin cells

  • Paneth cells

  • Zymogen cells

  • Zymogen cells



12.

Which one of the following statements is correct with reference to enzymes?

  • Apoenzyme = Holoenzyme + Coenzyme

  • Holoenzyme = Apoenzyme + Coenzyme

  • Coenzyme = Apoenzyme + Holoenzyme

  • Coenzyme = Apoenzyme + Holoenzyme



13.

Which of the following terms describe human dentition?

  • Thecodont, Diphyodont, Homodont

  • Thecodont, Diphyodont, Heterodont

  • Pleurodont, Diphyodont, Heterodont

  • Pleurodont, Monophyodont, Homodont



14.

What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?

  • Gastric juice will be deficient in chymosin

  • Gastric juice will be deficient in pepsinogen

  • In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin

  • In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin



15.

Which one of the following correctly represents the normal adult human dental formula?

  • 3/3, 1/1, 3/2,/1/1

  • 2/2,1/1,3/2,3/3

  • 2/2, 1/1, 2/2, 3/3

  • 2/2, 1/1, 2/2, 3/3



16.

Which of the following options best represents the enzyme composition of pancreatic juice?

  • Amylase, peptidase, trypsinogen, rennin

  • Amylase, pepsin, trypsinogen, maltase

  • Peptidase, amylase, pepsin, rennin

  • Peptidase, amylase, pepsin, rennin



17.

Which one of the following pairs of food components in humans reaches the stomach totally undigested?

  • Protein and starch

  • Starch and fat

  • Fat and cellulose

  • Fat and cellulose



18.

Which one of the following statement is true regarding digestion and absorption of food in humans?

  • Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

  • Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+

  • Chylomicrons are small Lipoprotein particles that are transported from the intestine into blood capillaries.

  • Chylomicrons are small Lipoprotein particles that are transported from the intestine into blood capillaries.



19.

Which one of the following is a fat-soluble vitamin and its related deficiency disease?

  • Ascorbic acid  - Scurvy

  • Retinol -  Xerophthalmia

  • Cobalamine -   Beri-beri

  • Cobalamine -   Beri-beri



20.

The hepatic portal vein drains blood to liver from

  • Heart

  • Stomach

  • Kidneys

  • Kidneys



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