NCERT Class 11 Chapter 19 Biology Digestion and Absorption MCQ

NCERT Class 11 Chapter 19 Biology Digestion and Absorption MCQ | Questions & Answers: Give your try for the NCERT Class 11 Chapter 19 Biology Digestion and Absorption MCQ Quiz and at the end submit your answers to get the instant results. Good luck!!!

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1. Dark purplish gland lying on the left side of abdomen is called

A. spleen

B. liver

C. gall bladder

D. None of these

2. Which of the following are water soluble vitamins?

A. A, D, K

B. A, D, E, K

C. B, C

D. None of these

3. Jaundice is a disorder of

A. Digestive system

B. Excretory system

C. Skin and eyes

D. Circulatory system

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

A. Fat and cellulose

B. Protein and starch

C. Starch and cellulose

D. Starch and fat

5. Which of following teeth are lophodont?

A. Premolar and molar

B. Premolar and incisor

C. Incisor and canine

D. Canine and premolar

6. Oxyntic cells are located in

A. Gastric epithelium and secrete HCl

B. Kidneys and secrete renin

C. Gastric epithelium and secrete pepsin

D. Islets of Langerhans

7. Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to

A. hypercholesterolemia

B. urine laden with ketone bodies

C. kidney stones

D. vitamin A toxicity

8. Which one of the following is a matching pair of a substrate and its particular digestive enzyme?

A. Starch — maltase

B. Maltose — steapsin

C. actose — rennin

D. Casein — chymotrypsin

9. Which one of the following is a matching pair of a vitamin and the deficiency disease related with it ?

A. Niacin — pellagra

B. Calciferol — scurvy

C. Thiamine — xerophthalmia

D. Riboflavin — beriberi

10. Which one of the following pairs of the cells with their secretion is correctly matched?

A. Oxyntic cells - A secretion with pH between 2.0 and 3.0.

B. Alpha cells of Islets of Langerhans -Secretion that decreases blood sugar level.

C. Kupffer cells - A digestive enzyme that hydrolysis nucleic acids.

D. None of these

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11. "Kwashiorkar' and 'Beri-Beri' are

A. deficiency diseases

B. infectious diseases

C. communicable diseases

D. None of the above

12. First milk produced after child birth is called

A. colostrum

B. cerumen

C. true milk

D. sebum

13. Cirrhosis of liver is caused by the chronic intake of

A. Alcohol

B. Alcohol

C. Cocaine

D. Opium

14. The sphincter of Oddi is present between

A. Hepatopancreatic duct and duodenum

B. Hepatic duct and cystic duct

C. Pyloric stomach and duodenum

D. Oesophagus and cardiac stomach

15. Layer of cells that secrete enamel of tooth is

A. Ameloblast

B. Dentoblast

C. Osteoblast

D. Odontoblast

16. Cow’s milk is slightly yellowish in colour due to the presence of

A. Riboflavin

B. Xanthophyll

C. Xanthophyll and Carotene

D. Carotene

17. Accessory excretory organs of man are

A. skin, lungs, liver and intestine

B. only skin and lungs

C. only skin and liver

D. only skin

18. Cholecystokinin is secretion of

A. Duodenum that causes contraction of gall bladder

B. Globlet cells of ileum, stimulates secretion of succus entericus

C. Liver and controls secondary sex characters

D. Stomach that stimulates pancreas to release juice

19. Both the crown and root of a tooth is covered by a layer of bony hard substance. It is called

A. dentine

B. cementum

C. enamel

D. bony socket

20. Release of pancreatic juice is stimulated by

A. enterokinase

B. cholecystokinin

C. trypsinogen

D. secretin

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21. In man the zymogen or chief cells are mainly found in

A. cardiac part of stomach

B. pyloric part of stomach

C. duodenum

D. fundic part of stomach

22. Emulsification of fat will not occur in the absence of

A. lipase

B. bile pigments

C. bile salts

D. pancreatic juice

23. Pancreatic juice and hormones of pancreas are produced by

A. same cells

B. same cells at different times

C. statement is wrong

D. different cells

24. Pancreas produces

A. three digestive enzymes and one hormone

B. three digestive enzymes and two hormones

C. two digestive enzymes and one hormone

D. three digestive enzymes and no hormone

25. Where is protein digestion accomplished?

A. Stomach

B. IIeum

C. Rectum

D. Duodenum