Biology MCQs with Answer (part 3) by General knowledge Solutions
Biology MCQs with Answer (part 3) by General knowledge Solutions
1. Intestinal
absorption of zinc is retarded by
(A) Calcium
(B) Cadmium
(C) Phytate
(D) All of these
2. The daily zinc requirement of an average
adult is
(A) 5 mg
(B) 10 mg
(C) 15 mg
(D) 25 mg
3. Zinc deficiency
occurs commonly in
(A) Acrodermatitis enteropathica
(B) Wilson’s disease
(C) Xeroderma pigmentosum
(D) Menke’s disease
4. Hypogonadism can
occur in deficiency of
(A) Copper
(B) Chromium
(C) Zinc
(D) Manganese
5. Healing of wounds may be impaired in
deficiency of
(A) Selenium
(B) Copper
(C) Zinc
(D) Cobalt
6. Hypochromic
microcytic anaemia can occur in
(A) Zinc
(B) Copper
(C) Manganese
(D) None of these
7. The daily requirement for manganese in
adults is about
(A) 1–2 mg
(B) 2–5 mg
(C) 2–5 µg
(D) 5–20 µg
8. Molybdenum is a
cofactor for
(A) Xanthine oxidase
(B) Aldehyde oxidase
(C) Sulphite oxidase
(D) All of these
9. A trace element
having antioxidant function is
(A) Selenium
(B) Tocopherol
(C) Chromium
(D) Molybdenum
10. Selenium is a
constituent of
(A) Glutathione reductase
(B) Glutathione peroxidase
(C) Catalase
(D) Superoxide dismutase
11. Selenium
decreases the requirement of
(A) Copper
(B) Zinc
(C) Vitamin D
(D) Vitamin E
12. Upper safe limit
of fluorine in water is
(A) 0.4 ppm
(B) 0.8 ppm
(C) 1.2 ppm
(D) 2 ppm
13. The daily
fluoride intake should not exceed
(A) 0.5 mg
(B) 1 mg
(C) 2 mg
(D) 3 mg
14. In adults, water constitutes about
(A) 50% of body weight
(B) 55% of body weight
(C) 60% of body weight
(D) 75% of body weight
15. 1 kcal is roughly
equal to
(A) 4.2 J
(B) 42 J
(C) 4.2 KJ
(D) 42 KJ
16. Calorific value
of proteins as determined in a bomb calorimeter is
(A) 4 kcal/gm
(B) 4.8 kcal/gm
(C) 5.4 kcal/gm
(D) 5.8 kcal/gm
17. Calorific value
of proteins in a living person is less than that in a bomb calorimeter because
(A) Digestion and absorption of proteins is less than 100%
(B) Respiratory quotient of proteins is less than 1
(C) Specific dynamic action of proteins is high
(D) Proteins are not completely oxidized in living persons
18. Calorific value of alcohol is
(A) 4 kcal/gm
(B) 5.4 kcal/gm
(C) 7 kcal/gm
(D) 9 kcal/gm
19. Energy
expenditure of a person can be measured by
(A) Bomb calorimetry
(B) Direct calorimetry
(C) Indirect
calorimetry
(D) Direct or indirect calorimetry
20. Respiratory
quotient of carbohydrates is about
(A) 0.5
(B) 0.7
(C) 0.8
(D) 1.0
21. Respiratory
quotient of fats is about
(A) 0.5
(B) 0.7
(C) 0.8
(D) 1.0
22. Respiratory quotient of proteins is about
(A) 0.5
(B) 0.7
(C) 0.8
(D) 1.0
23. Respiratory
quotient of an average mixed diet is about
(A) 0.65
(B) 0.7
(C) 0.75
(D) 0.85
24. At a respiratory
quotient of 0.85, every litre of oxygen consumed represents an energy
expenditure of
(A) 5.825 kcal
(B) 4.825 kcal
(C) 3.825 kcal
(D) 2.825 kcal
25. BMR of healthy
adult men is about
(A) 30 kcal/hour/square metre
(B) 35 kcal/hour/square metre
(C) 40 kcal/hour/square metre
(D) 45 kcal/hour/square metre
26. BMR of healthy
adult women is about
(A) 32 kcal/hour/square metre
(B) 36 kcal/hour/square metre
(C) 40 kcal/hour/square metre
(D) 44 kcal/hour/square metre
27. BMR is higher in
(A) Adults than in children
(B) Men than in women
(C) Vegetarians than in non-vegetarians
(D) Warmer climate than in colder climate
28. BMR is decreased in
(A) Pregnancy
(B) Starvation
(C) Anaemia
(D) Fever
29. BMR is increased
in
(A) Starvation
(B) Hypothyroidism
(C) Addison’s disease
(D) Pregnancy
30. BMR is decreased in all of the following
except
(A) Fever
(B) Addison’s disease
(C) Starvation
(D) Hypothyroidism
31. BMR is increased
in all of the following except
(A) Hyperthyroidism
(B) Anaemia
(C) Addison’s disease
(D) Pregnancy
32. Specific dynamic
action of carbohydrates is about
(A) 5%
(B) 13%
(C) 20%
(D) 30%
33. Specific dynamic
action of proteins is about
(A) 5%
(B) 13%
(C) 20%
(D) 30%
34. All following are
essential trace elements except
(A) Iron
(B) Iodine
(C) Zinc
(D) Cadmium
35. Maximum quantity of sodium is excreted
through
(A) Urine
(B) Faeces
(C) Sweat
(D) None of these
36. All followings
are rich sources of magnesium, except
(A) Milk
(B) Eggs
(C) Meat
(D) Cabbage
37. All followings are poor sources of iron
except
(A) Milk
(B) Potatoes
(C) Wheat flour
(D) Liver
38. The Iron
deficient children, absorption of Iron from GIT is
(A) Unaltered
(B) Double than in normal child
(C) Manifold than in normal child
(D) Lesser than in normal child
39. Main source of
fluoride for human beings is
(A) Milk
(B) Water
(C) Vegetables
(D) Eggs
40. Quantity of
copper present in the body of an adult is
(A) 0–50 mg
(B) 50–100 mg
(C) 100–150 mg
(D) 150–250 mg
41. A level of 310–340
mg per 1000 ml of blood is normal for the
(A) Copper
(B) Iron
(C) Potassium
(D) Sodium
42. Daily requirement
of phosphorous for an infant is
(A) 240–400 mg
(B) 1.2 gms
(C) 800 mg
(D) 800–1200 mg
43. Maximum quantity
of Zinc is present in the body in
(A) Prostate
(B) Choroid
(C) Skin
(D) Bones
44. Average
concentration of chloride ions in cerebrospinal fluid per 100 ml is
(A) 40 mg
(B) 440 mg
(C) 160 mg
(D) 365 mg
45. Total iron content of the normal adult is
(A) 1-2 gm
(B) 3-4 gm
(C) 4-5 gm
(D) 7-10 gm
46. Absorption of
phosphorous from diet is favoured by
(A) Moderate amount of fat
(B) Acidic environment
(C) High calcium content
(D) High phytic acid
47. Daily intake of potassium for a normal
person should be
(A) 1 gm
(B) 2 gm
(C) 3 gm
(D) 4 gm
48. Absorption of
calcium decreases if there is high concentration in the diet of
(A) Copper
(B) Sodium
(C) Magnesium
(D) Cadmium
49. Of the following
highest concentration of calcium is seen in
(A) Blood
(B) CSF
(C) Muscle
(D) Nerve
1. D 2. C 3. D 4. C 5. C 6. B 7. B 8. D 9. A 10. B 11. D 12.
C 13. D 14. C 15. C 16. C 17. D 18. C 19. D 20. D 21. B 22. C 23. D 24. B 25. C
26. B 27. B 28. B 29. D 30. A 31. C 32. A 33. D 34. D 35. A 36. C 37 D 38. B 39.
B 40. C 41. D 42. A 43. C 44. B 45. C 46. B 47. D 48. C 49. C
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