Biology MCQs (part 1) by General knowledge Solutions
Biology MCQs (part 1) by General knowledge Solutions
1. The egg injury factor in raw egg white is
- (A) Biotin
- (B) Avidin
- (C) Albumin
- (D) Calcium salts
2. The following has cyanide:
- (A) Vitamin B12
- (B) Adenyl cobamide
- (C) Benzimidazole cobamide
- (D) Methyl cobamide
3. The human species can biosynthesize
- (A) Vitamin C
- (B) Vitamin B12
- (C) Thiamine
- (D) Niacin
4. Retina contains this photo sensitive pigment.
- (A) Rhodopsin
- (B) Opsin
- (C) Retinol
- (D) Malanin
5. Antixerophthalmic vitamin is
- (A) Vitamin B1
- (B) Vitamin B2
- (C) Vitamin B6
- (D) Vitamin A
6. One of the following is not symptom of Addison’s disease:
- (A) Hypoglycemia
- (B) Hyponatremia
- (C) Hypokalemia
- (D) Hypochloremia
7. Gammaxine is an antimetabolite of
- (A) Thiamine
- (B) Riboflavin
- (C) Pyridoxin
- (D) Inositol
8. Pyridoxine
deficiency may lead to convulsions as it is needed for the synthesis of
- (A) GABA
- (B) PABA
- (C) EFA
- (D) SAM
9. Sulpha drugs are antimetabolites of
- (A) PABA
- (B) Pyridoxin
- (C) Vitamin B2
- (D) Pantothenic acid
10. This abnormal metabolite may be responsible for the
neurological manifestation of pernicious anemia.
- (A) Taurine
- (B) Methyl malonic acid
- (C) Xanthurenic acid
- (D) Phenyl pyruvic acid
11. Choline is not
required for the formation of
- (A) Lecithins
- (B) Acetyl choline
- (C) Sphingomyelin
- (D) Cholic acid
12. Isonicotinic acid hydrazide given in the treatment of
tuberculosis may lead to a deficiency of
- (A) Vitamin A
- (B) Pyridoxin
- (C) Folate
- (D) Inositol
13. Steroidal
prohormone is
- (A) Vitamin A
- (B) Vitamin C
- (C) Vitamin D
- (D) None of these
14. A deficiency of
folate leads to
- (A) Megaloblastic anemia
- (B) Aplastic anemia
- (C) Pernicious anemia
- (D) Hypochromic microcytic anemia
15. Deficiency of
Iron leads to
- (A) Megaloblastic anemia
- (B) Aplastic anemia
- (C) Pernicious anemia
- (D) Hypochromic microcytic anemia
16. Corrinoid coenzymes are coenzymes of
- (A) Vitamin B6
- (B) Vitamin B12
- (C) Vitamin B2
- (D) Vitamin B1
17. Vitamin B12 initially binds to the proteins known as
- (A) Transcobalamin I
- (B) R-proteins
- (C) Transcobalamin II
- (D) Intrinsic factor of castle
18. Extrinsic factor
of castle is
- (A) Vitamin B12
- (B) Glycoprotein
- (C) R-proteins
- (D) Sigma protein
19. Intrinsic factor of castle is
- (A) Vitamin B12
- (B) Glycoprotein
- (C) R-proteins
- (D) Sigma protein
20. Pernicious means
- (A) Prolonged
- (B) Dangerous
- (C) Intermittent
- (D) Idiopathic
21. Reduction of
D-ribonucleotides to D-deoxy ribonucleotides in prokaryotes requires
- (A) 5, 6 dimethyl benzimindazole cobamide
- (B) Thiredoxin
- (C) Tetra hydrobiopterin
- (D) Tetra hydrofolate
22. Antirachitic vitamin is
- (A) Vitamin A
- (B) Vitamin D
- (C) Vitamin E
- (D) Vitamin K
23. Angular
stomatitis is due to
- (A) Ariboflavinosis
- (B) Deficiency of Vitamin C
- (C) Deficiency of Vitamin B1
- (D) Deficiency of folate
24. One of the main
functions of Vitamin K is the cofactor for
- (A) Carboxylase for the formation of γ--carboxy glutamate
- (B) Methylation by S-adenosyl methionine
- (C) Carboxylation by biotin
- (D) One carbon transfer by tetra hydrofolate
25. Prothrombin time
is prolonged by administering
- (A) Vitamin K
- (B) Dicoumarol
- (C) Calcium
- (D) Prothrombin
26. This Vitamin acts
as antioxidant:
- (A) Vitamin A
- (B) Vitamin D
- (C) Vitamin E
- (D) Vitamin K
27. This is photo labile vitamin:
- (A) Thiamine
- (B) Riboflavin
- (C) Niacin
- (D) Cholecalciferol
28. Convulsive
episodes occur when there is a severe deficiency of:
- (A) Pyridoxine
- (B) Folic acid
- (C) Thiamine
- (D) Riboflavin
29. Metastatic calcification is seen in hypervitaminosis:
- (A) A
- (B) K
- (C) D
- (D) E
30. The anti-vitamin for para amino benzoic acid is
- (A) Aminopterin
- (B) Dicoumasol
- (C) Sulphanomides
- (D) Thiopamic acid
31. Severe patothemic
acid deficiency in man has been reported to cause
- (A) Burning feet syndrome
- (B) Scurvy
- (C) Cataract
- (D) Xeropththalmia
32. Cholesterol is a precursor in the biogenesis of
- (A) Vitamin A
- (B) Vitamin D
- (C) Vitamin E
- (D) None of these
33. Which of the vitamins is a potent antioxidant of Vitamin
A?
- (A) Vitamin C
- (B) Vitamin E
- (C) Vitamin K
- (D) Vitamin D
34. In renal rickets, the following hydroxylation of Vitamin
D3 does not take place:
- (A) 25
- (B) 1
- (C) 24
- (D) 7
35. Which of the
following does not have phosphorous?
- (A) Riboflavin
- (B) TPP
- (C) NAD+
- (D) CaASH
36. Rice-polishings
contain whcih of the following Vitamin?
- (A) Riboflavin
- (B) Niacin
- (C) Thiamine
- (D) Vitamin B12
37. In beri beri there will be accumulation of _________ in
blood.
- (A) Aceto acetic acid
- (B) β−hydroxy butyric acid
- (C) Pyruvic acid
- (D) Methyl malonic acid
38. Symptoms of
pellagra are
- (A) Dermatitis and diarrhea only
- (B) Dermatitis and Dermentia only
- (C) Diarrhea and dermentia only
- (D) Diarrhea, Dermatitis and dementia
39. Pyridoxine
deficiency leads to
- (A) Megaloblastic anemia
- (B) Aplastic anemia
- (C) Hypochromic microcytic anemia
- (D) Pernicious anemia
40. The significant ocular lesion in a riboflavinosis is
- (A) Keratomalacia
- (B) Bitot’s spots
- (C) Vascularisation of the cornea
- (D) Lachrynal metaplasia
41. An anti-vitamin for folic acid is
- (A) Aminopterin
- (B) Dicoumarol
- (C) Pyrithiamine
- (D) Isoniazid
42. Thiamine is
- (A) Water-soluble vitamin
- (B) Fat soluble vitamin
- (C) Purine base
- (D) Pyrimidine base
43. The anti-vitamin
for para amino benzoic acid is
- (A) Aminopterin
- (B) Dicoumarol
- (C) INH
- (D) Sulphanomides
44. The sulphur
containing vitamins among the following B Vitamin is
- (A) Thiamine
- (B) Riboflavin
- (C) Niacin
- (D) Pyridoxine
45. Taurinuria may be
encountered in
- (A) Pernicious anemia
- (B) Beriberi
- (C) Pellegra
- (D) Folate deficiency
46. The three vitamins which are specially required for
proper nerve functions are
- (A) Thiamine, Niacin and Riboflavin
- (B) Thiamin, Folic acid, Choline
- (C) Thiamine, Riboflavin, Pantothenic acid
- (D) Thiamine, Pyridoxin, Vitamin B12
47. This is a rich source for Vitamin C:
- (A) Rice
- (B) Milk
- (C) Egg
- (D) Lemon
48. Which ot the following vitamin is involved in coenzyme
function in transaminations?
- (A) Nicotinamide
- (B) Pyridoxine
- (C) Thiamine
- (D) Riboflavin
49. Methyl malonic aciduria is seen in a deficiency of
- (A) Vitamin B6
- (B) Folic acid
- (C) Thiamine
- (D) Vitamin B12
50. In pernicious anemia, Urine contains high amounts of
- (A) Methyl malonic acid
- (B) FIGLU
- (C) VMA
- (D) 5 HIAA
51. Anti sterility
Vitamin is
- (A) Vitamin B1
- (B) Vitamin B2
- (C) Vitamin E
- (D) Vitamin K
52. Biotin deficiency is characterized by the following
except
- (A) Muscular pain
- (B) Anaemia
- (C) Nausea
- (D) Dermatitis
53. Deficiency of thiamine causes
- (A) Beri beri
- (B) Scurvy
- (C) Night blindness
- (D) Rickets
54. Deficiency of Vitamin D leads to
- (A) Rickets
- (B) Osteomalacia
- (C) Xeropthalmia
- (D) Both (A) and(B)
55. The vitamin that is useful in cancer is
- (A) A
- (B) B complex
- (C) C
- (D) E
1. B 2. A 3. D 4. A 5. D 6. C 7. D 8. A 9. A 10. B 11. D 12.
B 13. C 14. A 15. D 16. B 17. B 18. A 19. B 20. B 21. A 22. B 23. A 24. A 25. B
26. C 27. B 28. A 29.C 30. C 31. A 32. B 33. B 34. B 35. A 36. C 37. C 38. D 39.
C 40. C 41. A 42. D 43. D 44. A 45. A 46. D 47. D 48. B 49. D 50. A 51. C 52. B
53. A 54. D 55. A
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