Digestion and Absorption

Q1. The digestion of food starts in which part of the alimentary canal?

1. Mouth.
2. Oesophagus.
3. Stomach.
4. Small Intestine.

Q2. The glucose is converted into glycogen in liver and stored in:

1. Liver and spleen.
2. Liver and muscle.
3. Liver.
4. Spleen and muscles.

Q3. Stool of a person contains whitish grey colour due to malfunction of which type of organ?

1. Pancreas
2. Spleen
3. Kidney
4. Liver

Q4. Correct enzyme-substrate pair is:

1. Maltose-lactase.
2. Protein-amylase.
3. Carbohydrate-lipase.
4. Casein-rennin.

Q5. First milk produced after child birth is called.

1. Colostrum
2. Cerumen
3. True milk
4. Sebum

Q6. Trypsinogen is activated by:

1. Enterokinase.
2. Hydrochloric acid.
3. Pepsin.
4. Bile.

Q7. ‘Kwashiorkar’ and ‘Beri-Beri’ are:

1. Communicable diseases.
2. Infectious diseases.
3. Deficiency diseases.
4. None of the above.

Q8. In glycolysis ultimately:

1. Starch is converted into glucose.
2. Glucose is converted into fructose.
3. Protein is converted into glucose.
4. Glucose is converted into pyruric acid.

Q9. Choose the correct answer among the following:

1. Gastric juice contains
2. pepsin, lipase and rennin.
3. Trypsin, lipase and rennin.
4. Trypsin, pepsin and lipase.
5. Trypsin, pepsin and renin.

Q10. Which organ is most affected by jaundice?

1. Pancreas
2. Liver
3. Stomach
4. Intestine

Q11. Maximum amount of energy/ ATP is liberated on oxidation of:

1. Fats
2. Proteins
3. Starch
4. Vitamins

Q12. To which of the following family do folic acid and pantothenic acid belong?

1. Vitamin-C.
2. Vitamin-K.
3. Vitamin-A.
4. Vitamin-B complex.

Q13. Which one of the following is the correct matching of a vitamin, its nature and its deficiency disease?

1. Vitamin-A – Fat soluble – Night blindness.
2. Vitamin-K – Fat soluble – Beri-beri.
3. Vitamin-A – Fat soluble – Beri-beri.
4. Vitamin-K – Water soluble – Pellagra.

Q14. In frogs, the surface of the attachment of the tongue is:

1. Sphenoid.
2. Palatine.
3. Pterygoid.
4. Hyoid apparatus.

Q15. If for some reason our goblet cells are non-functional this will adversely affect.

1. Smooth movement of food down the intestine.
2. Production of somatostatin.
3. Secretion of sebum from the sebaceous glands.
4. Maturation of sperms.

Q16. Most of the fat digestion occurs in:

1. Rectum.
2. Stomach.
3. Duodenum.
4. Small intestine.

Q17. Duct leading from parotid gland and opening into vestibule is:

1. Wolffian duct.
2. Stensons duct.
3. Haversian duct.
4. Infra-orbit duct.

Q18. The oesophagus opens in which portion of stomach?

1. Fundus.
2. Cardiac.
3. Pyloric.
4. Sphincter.

Q19. Accessory excretory organs of man are:

1. Only skin and lungs.
2. Only skin and liver.
3. Only skin.
4. Skin, lungs, liver and intestine.

Q20. Carrier ions like Na+ facilitate the absorption of substances like:

1. Fructose and some amino acids.
2. Amino acids and glucose.
3. Glucose and fatty acids.
4. Fatty acids and glycerol.

Q21. Which one of the following vitamin can be synthesized by bacteria inside the gut?

1. B1
2. C
3. D
4. K

Q22. In man the zymogen or chief cells are mainly found in:

1. Fundic part of stomach.
2. Cardiac part of stomach.
3. Pyloric part of stomach.
4. Duodenum.

Q23. Globet cells of intestinal mucosal epithelium secrete.

1. Mucus
2. Cholesterol
3. Peptones
4. Bilirubin

Q24. Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to:

1. Urine laden with ketone bodies.
2. Kidney stones.
3. Vitamin A toxicity.
4. Hypercholesterolemia.

Q25. Which part of body secretes the hormone secretin?

1. Oesophagus
2. Duodenum
3. Stomach
4. Ileum

Q26. Secretin and cholecystokinin are digestive hormones. They are secreted in:

1. Oesophagus.
2. Ileum.
3. Duodenum.
4. Pyloric stomach.

Q27. Pancreatic juice and hormones of pancreas are produced by:

1. Same cells.
2. Same cells at different times.
3. Statement is wrong.
4. Different cells.

Q28. Brunner’s glands occur in:

1. Sub-mucosa of duodenum.
2. Sub-mucosa of stomach.
3. Mucosa of oesophagus.
4. Mucosa of ileum.

Q29. Which one of the following pairs of food components in humans reaches the stomach totally undigested?

1. Starch and cellulose.
2. Protein and starch.
3. Fat and cellulose.
4. Starch and fat.

Q30. Which is the innermost layer of the alimentary canal?

1. Muscular Layer.
2. Serosa.
3. Mucosa.
4. Sub-mucosa.