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Biochemistry Mcqs

Niacin & riboflavin help in_____________?

  • (A)  Redox reactions
  • (B)  Transamination reaction
  • (C)  Methyl group transfer
  • (D)  Amine group transfer
Submitted By :Ali Uppal


Which of the following are the sources of Vit C_________________?

  • (A)  Apple
  • (B)  Fresh green vegetables
  • (C)  Citrus fruits
  • (D)  Both B and C
Submitted By :Ali Uppal


Avidin influences which of the following vitamins ?

  • (A)  Biotin
  • (B)  Niacin
  • (C)  Thiamine
  • (D)  Phylloquinone
Submitted By :Ali Uppal


FIGLU excretion test is to estimate deficiency of_______________?

  • (A)  Vitamin K
  • (B)  Vitamin B6
  • (C)  Vitamin folic acid
  • (D)  Niacin
Submitted By :Ali Uppal


Deficiency of vitamin C causes the following except_______________?

  • (A)  Defective collagen synthesis
  • (B)  Soft swollen gums
  • (C)  Pigeon chest
  • (D)  Subcutaneous & other hemorrhage
Submitted By :Ali Uppal


Peripheral neuropathy due to deficiency of vitamin is seen with_______________?

  • (A)  Pyridoxine
  • (B)  Vit E
  • (C)  Vit A
  • (D)  Pantothenic acid
Submitted By :Ali Uppal


Consumption of raw egg white in the diet may result in the deficiency of______________?

  • (A)  Riboflavin
  • (B)  Biotin
  • (C)  Thiamine
  • (D)  Pyridoxine
Submitted By :Ali Uppal


Sources of the nucleotide portion of NAD include__________________?

  • (A)  N-methyl nicotinamide
  • (B)  Riboflavin
  • (C)  PRPP
  • (D)  Tryptophan
Submitted By :Ali Uppal


Tocopherol is associated with____________?

  • (A)  Vitamin A
  • (B)  Vitamin E
  • (C)  Vitamin K
  • (D)  Vitamin D
Submitted By :Ali Uppal


Ascorbic acid_____________?

  • (A)  Is a reducing agent
  • (B)  Decrease iron absorption
  • (C)  Is harmless in high doses
  • (D)  Is requirement for lysyl oxidase
Submitted By :Ali Uppal