41. Most of the fatty acids are absorbed by:
(a) Epithelium of the villi
(b) Lacteal of the villi✅
(c) Blood capillaries of the villi
(d) None of the above
42. Most of the water is absorbed by:
(a) Oral cavity
(b) Stomach
(c) Small intestine
(d) Large intestine✅
43. The largest gland of human body is:
(a) Pancreas
(b) Thyroid
(c) Liver✅
(d) Parathhyroid
44. Bread contains amount of carbohydrates:
(a) 40%
(b) 30%
(c) 52%✅
(d) 70%
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21. In adult human, the esophagus is about_________long.
(a) 25 cm✅
(c) 25 m
(b) 25 mm
(d) 25 ft
22. Inactive pepsinogen in gastric juice require_________ for its activated form (pepsin).
(a) H2SO4
(b) HCl✅
(c) HNO
(d) Saliva
23. Many bacteria in colon produce vitamin_______ necessary for coagulation of blood.
(a) A
(b) K✅
(c) C
(d) D
24. The secretion of liver is:
(a) Pepsin
(b) Bile✅
(c) Rennin
(d) Lipase
25. Breaking of large molecules of fats into small droplets is called:
(a) Emulsification✅
(b) Digestion
(c) Assimilation
26. Following are not fat-soluble vitamins.
(a) A and D
(b) E and K
(c) B and C✅
(d) D and E
27. Rickets develops due to deficiency of________ vitamin.
(a) B
(b) A
(c) D✅
(d) C
28. Saliva is alkaline and contains an enzyme:
(a) Pepsin
(b) Rennin
(c) Ptyalin
(d) Amylase✅
29. Nitrogen is present in:
(a) Carbohydrates
(b) Protein✅
(c) Nucleic acid
(d) Lipids
30. In which group of the following is present Mg?
(a) Chlorophyll✅
(b) Cytochrome
(c) Haemoglobin
(d) None of the above
31. which of the following is not the process included in the digestion?
(a) conversion of amino acid into protein
(b) Conversion of protein into amino acid✅
(c) Conversion of glucose into starch
(d) Conversion of fatty acid into lipids
32. The reason why digestion take place is?
(a) Animals need food particles in the form of smaller molecules
(b) The large food molecule cannot pass through their membrane✅
(c) The small food molecules increase their efficiency
(d) None of the above
33. The function of the mucous of the salivary gland is to:
(a) Digest the food
(b) Make the food chew efficient✅
(c) Transport the food
(d) Break the food
34. Which of the following is not the function of saliva?
(a) Digestion of food
(b) Lubrication of food
(c) Stabilization of PH
(d) Absorption of food✅
35. The Amylase acts on:
(a) Protein
(b) Starch✅
(c) glucose
(d) Lipids
36. Which of the following steps does not take place during act of swallowing?
(a) Moving of tongue up and down
(b) Upward movement of the larynx
(c) Opening of the glottis✅
(d) the movement of epiglottis in horizontal direction
37. The function of the pepsin to convert the protein into:
(a) Amino acid
(b) Peptones✅
(c) Dipeptides
(d) None of the above
38. Gastrin is an:
(a) Enzyme of gastric juice
(b) It is a part of the stomach
(c) It stimulate the secretion of gastric juice✅
(d) It promotes the digestion of proteins
39. The length of duodenum is:
(a) 15-20 cm
(b) 20-25 cm✅
(c) 25-35 cm
(d) None of the above
40. Which of the following enzymes act on fats:
(a) Amylase
(b) Lipase✅
(c) Trypsin
(d) None of these
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1. What is the primary nutrient that provides quick useable energy for the body?
(a) Carbohydrates✅
(b) Proteins
(c) Lipids
(d) Nucleic acids
2. The wave like movement of muscle that pushes food through the digestive system is called;
(a) Chemical digestion
(b) Emulsification
(c) Absorption
(d) Peristalsis✅
3. Micronutrients of plants are;
(a) Available in the soil in small amounts
(b) Required by plants in small amounts✅
(c) Small molecules required by plants
(d) Useful, but not required by plants
4. Which of the following does not occur in the oral cavity?
(a) Lubrication of the food
(b) Beginning of protein digestion✅
(c) Breaking the food into small fragments
(d) All of the above do occur in the oral cavity
5. Where are the villi found?
(a) Esophagus
(b) Stomach
(c) Small intestine✅
(d) Large intestine
6. Ulcers occur in the;
(a) Stomach
(b) Duodenum
(c) Esophagus
(d) All✅
7. Which group of enzymes breaks ip starches and other carbohydrates?
(a) Proteases
(b) Lipases
(c) Amylases✅
(d) Duodenum
8. The pancreas produces digestive enzymes and releases them into the;
(a) Colon
(b) Gallbladder
(c) Liver
(d) Duodenum✅
9. In the stomach, pepsinogen is converted into;
(a) Pepsin✅
(c) HCI
(b) Bicarbonate
(d) Gastrin
10. The hepatic blood from the portal vein carries_________ to the_______.
(a) Small intestines, liver✅
(b) Small intestines, heart
(c) Liver, heart
(d) Small intestines, colon
11. Which of the following is not a function of the liver?
(a) Converts glucose to glycogen
(b) Converts glycogen to glucose
(c) Detoxifies poisonous substances
(d) Produces digestives enzymes✅
12. The diseases of Kwashiorkor and marasmus may be due to;
(a) Mineral deficiency
(b) Over-intake of nutrients
(c) Protein-energy malnutrition✅
(d) Milk and cheese
13. Which food group is our body's best source of energy?
(a) Meat Group
(b) Fats, oils and sweets
(c) Breads and cereals✅
(d) Milk and cheese
14. What may be the reason that children need more calcium and iron?
(a) Both calcium and iron for bones
(b) Both calcium and iron for blood
(c) Calcium for blood and iron for bones
(d) Calcium for bones and iron for blood✅
15. The process of breaking down large droplets of fat into small droplets of fat is called:
(a) Emulsification✅
(b) Absorption
(c) peristalsis
(d) Digestion
16. Which one of the following macro nutrient is the part of chlorophyll?
(a) Calcium
(b) Magnesium✅
(c) Sulphur
(d) Iron
17. Which of the following is not a macronutrient ?
(a) Nitrogen
(b) Oxygen
(c) Carbon
(d) Nickel✅
18. Chemically synthesized urea is a ______________ fertilizer.
(a) Organic
(d) Nickel✅
(c) Both
(d) None
19. Good calcium along with low salt and high potassium intake prevents from:
(a) Hypertension
(b) Kidney stone
(c) a and b✅
(d) None
20. According to (UNICEF), how many children of under age five died by malnutrition?
(a) 4 million
(b) 5 million
(c) 6 million✅
(d) None
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