9th class Biology Chapter no.8 MCQs
Unit no.8 MCQs of 9th Class Biology
Nutrition:
1. Which food group is our body’s best source of energy?
a. Breads and cereals
b. Meat group
c. Milk and cheese
d. Fats, oil and sweets
2. Hepatic portal vein carries blood from ……… to ………
a. Liver, heart
b. Small intestines, liver
c. Small intestines, colon
d. Small intestine, heart
3. Which of the following is not a function of liver?
a. Manufactures fibrinogen
b. Converts glucose to glycogen
c. Produces digestives enzymes
d. converts glycogen to glucose
4. ……… is a micronutrient:
a. Iron
b. Sulphur
c. Potassium
d. Calcium
5. Manganese involved in enzyme activity for:
a. Nitrogen metabolism
b. Photosynthesis
c. Respiration
d. All
6. Severe deficiency of water in plants is called as:
a. Transpiration
b. Dessication
c. Nutrition
d. Respiration
7. Example of plant nutrients is:
a. Nickel
b. Chorine
c. Iron
d. All
8. The yellow color of leaves is due to the deficiency of:
a. Cl
b. Cu
c. Zn
d. N
9. What is the primary nutrient that provides quick useable energy for the body?
a. Lipids
b. Carbohydrates
c. Nucleic acid
d. Proteins
10. The disease of Kwashiorkor and marasmus may be due to:
a. Protein energy malnutrition
b. Mineral deficiency
c. Ulcer
d. Over-intake of nutrient
11. One gram of carbohydrate contains ………
a. Six
b. Two
c. Eight
d. Four
12. In ribose sugar, number of carbon atoms is:
a. Five
b. Three
c. Six
d. Four
13. One gram of lipid contains ……… kilocalories:
a. Nine
b. Two
c. Fifteen
d. Four
14. In butter, percentage of saturated fatty acids is:
a. 78%
b. 30%
c. 70%
d. 80%
15. Proteins are made from:
a. Fatty acids
b. Galactose
c. Amino acids
d. Glycerol
16. One gram of protein contains……… kilocalories:
a. Six
b. Three
c. Eight
d. Four
17. The water soluble vitamin:
a. D
b. A
c. E
d. C
18. Which of the following are water soluble vitamins?
a. B,C
b. K,C,B
c. A,K,D
d. A,D,E
19. Which of the following are fat soluble vitamins?
a. B,C
b. A,D,E,K
c. B,K,D
d. C,B,D
20. Which disease is caused due to deficiency of vitamin D?
a. Osteomalacia
b. Scurvy
c. Rickets and osteomalacia
d. Rickets
21. Night blindness is caused due to the deficiency of vitamin:
a. D
b. K
c. C
d. A
22. The basic source of energy in animals are:
a. Carbohydrates
b. Lipids
c. Nucleic acid
d. Proteins
23. Rickets disease is caused by deficiency of vitamin:
a. D
b. A
c. E
d. B
24. Deficiency of vitamin C causes disease:
a. Goiter
b. Scurvy
c. Blindness
d. Anemia
25. Deficiency of which vitamin results night blindness?
a. B12
b. B6
c. C
d. A
26. Which is not a good source of vitamin C from the following?
a. Liver of cow
b. Citrus fruit
c. Meat
d. Vegetables
27. Deficiency of vitamin D in children causes:
a. Scurvy
b. Osteomalacia
c. Rickets
d. Night blindness
28. Which of the following vitamins work as coenzyme?
a. Vitamin C
b. Vitamin B
c. Riboflavin
d. Vitamin D
29. Number of macronutrients are:
a. 9
b. 12
c. 19
d. 14
30. Deficiency of iodine causes:
a. Kwashiorkor
b. Goiter
c. Obesity
d. Anemia
31. Deficiency of iodine causes:
a. Scurvy
b. Goiter
c. Obesity
d. Anemia
32. It is essential for normal functioning of thyroid gland:
a. Iodine
b. Copper
c. Sodium
d. Zinc
33. An example of insoluble dietary fibres in human food is:
a. Beans
b. Oats
c. Wheat bran
d. Barley
35. Proteins are ……… % by weight:
a. 7-9
b. 7 -21
c. 7-18
d. 7-12
36. ……… is a water soluble vitamin:
a. D
b. A
c. E
d. C
37. Blindness is due to the deficiency of vitamin:
a. C
b. A
c. D
d. B
38. Night blindness is due to the deficiency of vitamin:
a. C
b. A
c. D
d. B
39. ……… is an example of three carbon atoms:
a. Starch
b. Glucose
c. Ribose
d. Pyruvic acid
40. Food contains energy in its bonds:
a. Heat
b. Kinetic
c. Solar
d. Potential
41. The daily uses of major minerals are:
a. 200 mg
b. 100 mg
c. Less than 100 mg
d. More than 100mg
42. Scurvy is caused due to deficiency of:
a. Vitamin D
b. Protein
c. Lipids
d. Vitamin C
43. The cause of kwashiorkor disease is deficiency of:
a. Lipids
b. Carbohydrates
c. Vitamins
d. Proteins
44. The wavelike movement of muscle that pushes food through the digestive system is called:
a. Absorption
b. Churning
c. Peristalsis
d. Emulsification
45. Villi are located in:
a. Small intestine
b. Esophagus
c. Large Intestine
d. Stomach
46. Which group of enzymes breaks up starch and other carbohydrates?
a. Amylases
b. Proteases
c. Lipases
d. None of these
47. The pancreas produces digestive enzymes and releases them into the:
a. Liver
b. Colon
c. Duodenum
d. Gallbladder
48. In the stomach, pepsinogen is converted into:
a. HCl
b. Pepsin
c. Gastrin
d. Bicarbonate
49. The process of breaking down large droplets of fat into small droplets of fat for lipids is called:
a. Peristalsis
b. Emulsification
c. Churning
d. Absorption
50. Protein is digested by:
a. Protease
b. Lipase
c. Nuclease
d. Amylase
51. Biuret test is used for the identification of:
a. Glucose
b. Proteins
c. Starch
d. Lipids
52. Water makes the composition of protoplasm of all living things:
a. 60 to 90%
b. 60 to 95%
c. 60 to 70%
d. 60 to 80%
53. Which of the following is not a function of saliva?
a. Lubrication
b. Digestion
c. Stabilization of pH
d. Absorption
54. The intake of food is called:
a. Digestion
b. Ingestion
c. Absorption
d. Egestion
55. The example of an organ is:
a. Proton
b. Neuron
c. Stomach
d. Electron
56. Enzyme present in saliva is:
a. Protease
b. Lipase
c. Tripsen
d. Amylase
57. In adult human, the Esophagus is about ……… long:
a. 8 cm
b. 15 cm
c. 5 cm
d. 25 cm
58. In stomach, pepsinogen is converted into:
a. HCl
b. Pepsin
c. Gastrin
d. Bicarbonate
59. Gastric juice is found in:
a. Stomach
b. Oral cavity
c. Small intestine
d. Rectum
60. Gastron hormone is produced in:
a. Liver
b. Duodenum
c. Stomach
d. Pancreas
61. The name of compound that converts inactive enzyme:
a. HCl
b. Pepsinogen
c. Light water
d. Intopepsin
62. Urea is formed in:
a. Gall bladder
b. Stomach
c. Pancreas
d. Liver
63. In ……… of the alimentary canal, the maximum absorption of nutrition occurs:
a. Pharynx
b. Small intestine
c. Stomach
d. Large intestine
64. The last part of a small intestine which is 3.5 m long is called:
a. Jejunum
b. Ilium
c. Duodenum
d. Lacteal
65. Many bacteria live in colon that produce:
a. Vitamin A
b. Vitamin K
c. Vitamin D
d. Vitamin C
66. Elimination of undigested food from the body is called:
a. Defecation
b. Ingestion
c. Assimilation
d. Digestion
67. The average weight of a liver is:
a. 3 kg
b. 1.2 kg
c. 2 kg
d. 1.5 kg
68. ……… is a special organ for protein digestion and storing of food:
a. Oral cavity
b. Stomach
c. Pancreas
d. Liver
69. Which vitamin is made by bacteria in colon?
a. E
b. C
c. K
d. D
70. Ulcers occur in the:
a. Esophagus
b. Stomach
c. Duodenum
d. All of these
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