XI Biology Holozoic Nutrition Online Test Mdcat-2024

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Test Details:

Subject: Biology
Class: 1st year or 11
Chapter Name: Holozoic Nutrition
Test: MDCAT 2024
Book: Sindh Textbook
Total No. Of MCQS: 50 MCQS
Time Allowed: 50 Minutes
Price : Free

1307

Created on June 27, 2024 By

medicoengineer.com

XI Biology Holozoic Nutrition Online Test Mdcat-2024

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NameEmailPhone Number

1 / 50

1. Sometime due to over-eating, we feel some abnormal movement of the gut. This feeling is termed as

a) vomiting

b) Nervosa

c) Nausea

d) paristalsis

2 / 50

2. Sundew is an example of:

a) Extinct plant

b) Autotrophic plant

c) Saprophytic plant

d) Carnivorous plant

3 / 50

3. The intestinal branches are divided into, in Planaria:

a) All three of anterior

b) 2 anterior and 1 posterior

c) 2 posterior and 1 anterior

d) 1 posterior 1 anterior and 1 diverticula

4 / 50

4. Which cells in the stomach secrete pepsinogen?

a) Parietal cells

b) Chief cells

c) Mucous cells

d) Endocrine cells

5 / 50

5. What hormone is released in response to the distention of the stomach and the addition of food, and what does it stimulate?

a) Serotonin; inhibits gastric acid secretion

b) Gastrin; stimulates the release of gastric juice

c) Pepsinogen; initiates protein digestion

d) Intrinsic factor; absorption of vitamin B12

6 / 50

6. Digestion is the process of:

a) Non-diffusible to diffusible

b) Diffusible to non-diffusible

c) Simple to complex

d) All of these

7 / 50

7. Anorexia Nervosa is_______ disorder, in Which a person has a fear of________.

a) Physiological , fear of gaining weight

b) Physiological, Fear of eating

c) Psychological, fear of gaining weight

d) Psychological, Fear of loosing weight

8 / 50

8. Treatment of peptic ulcers is:

a) Proton pumps (PPIs)

b) Proton pump inhibitors

c) Electron pump

d) Electron pump inhibitors

9 / 50

9. Chemical digestion does not occur in:

a) Oral cavity and stomach

b) Oral cavity and small intestine

c) Oral cavity and duodenum

d) Rectum and colon

10 / 50

10. Jaundice is caused by elevated levels of what in the blood:

a) Gastric juice

b) Pancreatic juice

c) Secretin

d) Bilirubin

11 / 50

11. The defense of the liver is by:

a) Kupffer cells

b) Langerhans cells

c) Interferons

d) Secretin

12 / 50

12. Pancreatic juice is involved in the digestion of which macromolecules in the human body:

a) Carbohydrates and fats

b) Carbohydrates, lipids, and proteins

c) Lipids and proteins

d) Carbohydrates and lipids

13 / 50

13. Under the surface of the tongue have folds of mucous membranes called:

a) Lacteals

b) Papillae

c) Frenulum

d) Sublingual glands

14 / 50

14. Characteristics of deglutition or swallowing:

a) Voluntary and involuntary

b) Voluntary

c) Involuntary

d) None of these

15 / 50

15. Entry of the bolus into the nasopharynx is prevented by the elevation of:

a) Soft palate

b) glottis

c) Epiglottis

d) Hard palate

16 / 50

16. The digestion type in the human stomach is:

a) Mechanical digestion

b) Chemical digestion

c) Both chemical and mechanical digestion

d) Intracellular digestion

17 / 50

17. The difference between sac-like digestive systems and tube-like digestive systems respectively is:

a) Single opening and two openings

b) Fewer enzymes and variable enzymes

c) Mostly chemical digestion and both mechanical and chemical digestion

d) All of these

18 / 50

18. A person daily secretes how many liters or mL of saliva in 24 hours:

a) 250 to 150 liters

b) 1000 to 1500 milliliters

c) 25000 to 15000 milliliters

d) None of these above

19 / 50

19. In Amoeba, pseudopodia give out in the direction of food, forming a cup-like structure called:

a) Food vacuole

b) Food cup

c) Intra vacuole

d) Ball

20 / 50

20. Chymotrypsin acts on:

a) Amino acids

b) Caseinogen

c) Casein

d) Glycogens

21 / 50

21. During the process of antiperistalsis, the vomit occurs by:

a) Relaxation of the stomach and squeezing of the gastroesophageal sphincter

b) Relaxation of the stomach and relaxation of the gastroesophageal sphincter

c) Squeezing of the stomach and relaxation of the gastroesophageal sphincter

d) Squeezing of the stomach and squeezing of the gastroesophageal sphincter

22 / 50

22. The duodenum contains specific glands that produce mucus-rich alkaline secretions containing bicarbonate ions:

a) Brunner's glands

b) Gastric glands

c) Hepatocyte cells

d) Acinar glands

23 / 50

23. Another proteolytic enzyme called renin or chymosin in infants converts soluble milk protein into:

a) Soluble caseinogen

b) Insoluble caseinogen

c) Soluble casein

d) Insoluble casein

24 / 50

24. The pH of the mucosal layer is raised up to 7 due to bicarbonate ions, and the pH of the lumen of the stomach is:

a) 7 pH

b) 1.5 to 2.5 pH

c) 5.3 pH

d) . 2.5 to 5.3 pH

25 / 50

25. Trypsinogen, which is converted to trypsin by the action of:

a) Hydrochloric acid

b) Sodium glycocholate

c) Sodium taurocholate

d) Enterokinase enzyme

26 / 50

26. Fat digestion is completed in:

a) Stomach

b) Duodenum

c) Jejunum

d) Ileum

27 / 50

27. The main mucoid cells lying in the gastric and fundic glands, and some of these cells release intrinsic factor, which are:

a) Zymogen or parietal cells

b) Oxyntic or zymogen cells

c) Zymogen or chief cells

d) Oxyntic and parietal cells

28 / 50

28. Plicae circulares, villi, and microvilli increase the surface area of:

a) Stomach

b) Small intestine

c) Large intestine

d) Lacteals

29 / 50

29. The liver gets nutrients from:

a) Hepatic portal vein

b) Hepatic arteries

c) Niacin and thiamine

d) Caudate and quadrate

30 / 50

30. BMI over 30 is considered:

a) Large height

b) Overweight

c) Under-age

d) Underweight

31 / 50

31. The junction between the small and large intestines is:

a) Sphincter of Oddi

b) Hepatopancreatic ampulla

c) Ileocecal valve

d) Transverse colon

32 / 50

32. The intracellular digestion of food occurs in which part of Planaria:

a) Pharynx tissue mesenchyma cells

b) Intestine to gastrovascular cavity

c) Gastrovascular cavity

d) Pharynx to intestine

33 / 50

33. The formula of human permanent teeth is:

a) 8I 4C 8PM 12M

b) 6I 4C 8M 12PM

c) 4I 8PM 12C 8PM

d) 12I 8C 8PM 12PM

34 / 50

34. Amoeba having enzymes ranging from:

a) 1.5 to 2.5

b) 7.3 to 9.3

c) 5.6 to 7.3

d) Can be 1 to 14

35 / 50

35. Which of the following are stored in the liver?

a) Copper and iron

b) Iron and magnesium

c) Magnesium and calcium

d) Calcium and copper

36 / 50

36. They are absorbed by blood capillaries either by active transport or diffusion:

a) Amino acid and glycerol

b) Amino acid and disaccharides

c) Glycerol and fatty acids

d) Amino acid and monosaccharides

37 / 50

37. Water-soluble vitamins are:

a) Folic acid and vitamin B12

b) Riboflavin and niacin

c) Pyridoxine and vitamin B12

d) All of these

38 / 50

38. The main heating organ of our body is:

a) Liver

b) Large and small intestine

c) Stomach

d) Pancreas

39 / 50

39. Pepsin acts on:

a) Both proteins and peptones

b) Peptones

c) Only proteins

d) Amino acids, peptones, and proteins

40 / 50

40. Parotid glands are found at the:

a) Base of the pinnae

b) Base of the tongue

c) Base of the lower jaw

d) Base of the upper jaw

41 / 50

41. The stimulus for CCK (cholecystokinin) secretion is:

a) Signal by the vagus nerve

b) Partly digested proteins of acidic chyme

c) Distension of the stomach

d) All of these

42 / 50

42. The liver is enclosed incompletely in:

a) Elastic peritoneum

b) Inelastic pericardium

c) Inelastic peritoneum

d) Hepatocytes

43 / 50

43. The muscular uvula hangs down from:

a) Middle of the hard palate

b) Middle of the soft palate

c) Middle of the pharynx

d) Anterior of the soft palate

44 / 50

44. Two sets of teeth during a lifetime, this condition is termed as:

a) Thecodont

b) Heterodont

c) Permanent teeth

d) Diphyodont

45 / 50

45. Which region of the stomach only releases mucus?

a) Cardia

b) Fundus and corpus

c) Fundus

d) Pylorus

46 / 50

46. Lubricating fluid and fluid released to reduce friction in the stomach are released by:

a) Sub-mucosa

b) Serosa

c) Muscularis externa

d) Oblique muscles

47 / 50

47. Cholecystokinin is a peptide hormone of the duodenum that stimulates:

a) Liver and Gall bladder

b) Acinar cells of the pancreas

c) Pancreas and Gall bladder

d) B and C

48 / 50

48. Secretin hormone stimulates:

a) Pancreas to release water and bicarbonate ions

b) Stomach to release gastric juice

c) Gall bladder to release bile juice

d) All of these

49 / 50

49. Serotonin release from the pylorus region inhibits the secretion of:

a) Secretin

b) Gastrin hormone

c) Gastric acid secretion

d) Cholecystokinin

50 / 50

50. The stimulus to release Gastrin Hormone from the distal region of the Pylorus is:

a) Distension of stomach

b) Raising pH of stomach by addition of food

c) Stimulation signal release by vagus nerve

d) All of these

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