Digestive System Mcqs with answers Mdcat Test 1

Instructions for Chapter Nutrition/Digestive System Online Test Mdcat-2023:

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Test Details:

Subject: Biology
Class: 1st year or 11
Chapter name: Nutrition/Digestive System
Test: MDCAT 2023
Book: Sindh Textbook
Total No. Of MCQS: 50
Time Allowed: 50 Minutes
Price : Free

446

Created on July 18, 2023 By

medicoengineer.com

Mdcat Biology XI Nutrition Mcqs test 1

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NameEmailPhone Number

1 / 50

1. Gastric glands are found in which layer of stomach

a) serosa

b) Muscularis

c) Sub mucosa

d) Mucosa

2 / 50

2. Human GIT is about _____ in length

a) 30 feet

b) 2.5 meters

c) 3.5 meters

d) 6 meters

3 / 50

3. Which cells in gastric glands are responsible for secretion of HCL

a) Chief cells

b) Endocrine cells

c) Alfa cells

d) parietal cells

4 / 50

4. ileum is about _____long

a) 3.6 inches

b) 3.6 centimeters

c) 3.6 millimeters

d) 3.6 meters

5 / 50

5. The propulsive movement of Gastrointestinal tract is

a) peristalsis

b) antiperistalsis

c) epiglottis

d) None of these

6 / 50

6. Which portion of stomach opens into small intestine

a) Cardiac sphincter

b) Fundic sphincter

c) pyloric sphincter

d) Body portion

7 / 50

7. Epithelial cells of the intestine involved in food absorption have on their surface

a) pinocytic vesicles

b) zymogen Granules

c) phagocytic cells

d) Microvilli

8 / 50

8. digestion of fat is completed in :

a) Rectum

b) Stomach

c) Duodenum

d) Small intestine

9 / 50

9. In human being the Digestion of protein begins in which of the following organs

a) liver

b) Mouth

c) Small intestine

d) stomach

10 / 50

10. What is the role of mucus secreted by stomach

a) To protect the stomach lining

b) To digest fat

c) To kill the germs of food

d) To digest the proteins

11 / 50

11. Digestion of carbohydrates starts in

a) Large intestine

b) Small intestine

c) Buccal cavity

d) stomach

12 / 50

12. The majority of fat digestion takes place in

a) Rectum

b) Small intestine

c) Duodenum

d) Stomach

13 / 50

13. Which of the following is not involved in the stimulation of the release of pancreatic juice

a) Gastrin

b) secretin

c) Trypsinogen

d) Cholecystokinin

14 / 50

14. Saliva is responsible for the digestion of

a) starch

b) fiber

c) proteins

d) Fats

15 / 50

15. The Rennin enzyme is secreted in which of the following areas of alimentary canal

a) Stomach

b) Mouth

c) pancreas

d) duodenum

16 / 50

16. Where is bile juice formed in human body

a) liver

b) Gall bladder

c) Salivary gland

d) Stomach

17 / 50

17. Where do the majority of digestive processes occurs

a) stomach

b) Large intestine

c) small intestine

d) none of these

18 / 50

18. The majority of the water from the indigestible food is absorbed in the

a) Stomach

b) food pipe

c) Pancreas

d) large intestine

19 / 50

19. which one of the following glands is responsible for producing insulin

a) Pancreas

b) Pituitary gland

c) Salivary gland

d) intestinal gland

20 / 50

20. which of the following enzyme in the human body starts the digestion of proteins

a) Trypsin

b) Lactos

c) Pepsin

d) None

21 / 50

21. Which is the longest segment of the digestive system of human being

a) Pancreatic duct

b) small intestine

c) large intestine

d) oesophagus

22 / 50

22. What is the enzyme that breaks down lactose

a) Lipase enzyme

b) Pepsin

c) Amylase

d) Lactase

23 / 50

23. Enterokinase helps in conversion of

a) lactose into sucrose

b) Trypsinogen into trypsin

c) pepsinogen into pepsin

d) proteins into polypeptides

24 / 50

24. ______ stimulates the production of gastric juice in stomach

a) Gastrin

b) Enterokinase

c) Rennin

d) Digestin

25 / 50

25. Pancreatic juice is stimulated by release of

a) secretin

b) Cholecystokinin

c) enterokinase

d) Both A and B

26 / 50

26. In humans’ lacteals are found in

a) ileum

b) duodenum

c) esophagus

d) None of these

27 / 50

27. The first part of small intestine is

a) Duodenum

b) esophagus

c) Larynx

d) jejunum

28 / 50

28. which of the following is synthesized and stored in liver cells

a) Galactose

b) Lactose

c) Glycogen

d) Arabinose

29 / 50

29. Secretin and cholecystokinin are secreted in

a) pyloric region

b) ileum

c) duodenum

d) oesophagus

30 / 50

30. which of the following hormones stimulates the secretion of pancreatic juice and bicarbonates

a) insulin and glucagon

b) cholecystokinin and secretin

c) Gastrin and insulin

d) Angiotensin and epinephrine

31 / 50

31. Digestion of proteins into polypeptides in alkaline medium is more likely to occur in

a) Esophagus

b) Small intestine

c) stomach

d) colon

32 / 50

32. Transfer of food from stomach to esophagus is prevented by

a) Cardiac sphincter

b) ileocolic sphincter

c) pyloric sphincter

d) esophageal sphincter

33 / 50

33. Number of milk teeth in human :

a) 32

b) 20

c) 28

d) 12

34 / 50

34. It provides enzymes for the digestion

a) saliva

b) Bile

c) Gastric juice

d) pancreatic juice

35 / 50

35. Trypsinogen is converted into trypsin by activity of

a) Enterokinase

b) Pepsin

c) HCL

d) Bile salts

36 / 50

36. secretin is produced by

a) Gastric mucosa

b) Intestinal mucosa

c) pancreas

d) liver

37 / 50

37. Oxyntic cells or gastric glands secrets:

a) Mucus

b) HCL

c) pepsinogen

d) Gastrin

38 / 50

38. pepsinogen is activated into pepsin on the exposure of

a) Acidic medium

b) pepsin

c) enterokinase

d) Acidic medium and pepsin

39 / 50

39. Enzymatic digestion occurs in all of the following parts or human alimentary canal except

a) Oral cavity

b) stomach

c) small intestine

d) Large intestine

40 / 50

40. which secretion released into alimentary canal contain no enzyme but speeds up fat digestion

a) Saliva

b) Bile

c) pancreatic juice

d) Intestinal juice

41 / 50

41. In the roots apoplast pathway becomes discontinuous in the endodermis due to the presence of

a) Root hairs

b) Casparian strips

c) Pericycle

d) cortex

42 / 50

42. During the act of swallowing the entry of food and liquid into the larynx is prevented by

a) Glottis

b) Epiglottis

c) Esophageal sphincter

d) soft palate

43 / 50

43. All the insectivorous plants are true

a) Heterotrophs

b) Parasites

c) Decomposers

d) Autotrophs

44 / 50

44. Scientific name of sundew is

a) Dionaea Muscipula

b) Drosera intermedia

c) sarcena pupurea

d) zea mays

45 / 50

45. Chyle is formed in:

a) Small intestine

b) stomach

c) large intestine

d) esophagus

46 / 50

46. The PH of stomach is

a) 7-8

b) 1.5 to 3.5

c) 7

d) 14

47 / 50

47. It diverts food safely into esophagus:

a) Glottis

b) pharynx

c) Esophageal sphincter

d) Epiglottis

48 / 50

48. The main function of intestinal villi is

a) prevent anti peristalsis

b) Distribute digestive enzyme uniformly

c) provide large surface area for absorption

d) Stimulate peristalsis

49 / 50

49. Which of the following is not related to large intestine:

a) Absorption of food

b) Goblet cells

c) synthesis of vitamins

d) storage

50 / 50

50. Which is a common site for the digestion of protein, lipids and carbohydrates:

a) oral cavity

b) stomach

c) small intestine

d) large intestine

Your score is

The average score is 69%

Instructions for Chapter Nutrition/Digestive System Online Test Mdcat-2023:

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