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Biochemistry Mcqs

Deficiency of vitamin A causes the following except_____________?

  • (A)  Night blindness
  • (B)  Corneal dryness
  • (C)  Bitot’s spots
  • (D)  Myopia
Submitted By :Ali Uppal


Active form of vitamin D in kidney is_____________?

  • (A)  1 dihydroxy cholecalciferol
  • (B)  25 hydroxy cholecalciferol
  • (C)  1,25 dihydroxy cholecalciferol
  • (D)  7 dihydroxy calciferol
Submitted By :Ali Uppal


The vitamin that facilitates iron absorption____________?

  • (A)  Folic acid
  • (B)  Ascorbic acid
  • (C)  Biotin
  • (D)  Para amino benzoic acid
Submitted By :Ali Uppal


In vitamin A deficiency, patient complains of all of the following except___________?

  • (A)  Night blindness
  • (B)  Xerophthalmia
  • (C)  Keratosis
  • (D)  Phophoric calciuria
Submitted By :Ali Uppal


Vitamin K antagonizes_____________?

  • (A)  Corticosteroids
  • (B)  Thrombin formation
  • (C)  Bishydroxy coumarin
  • (D)  Production of clotting factors by liver
Submitted By :Ali Uppal


Vitamin K____________?

  • (A)  Helps in formation of prothrombin
  • (B)  Inhibition of antithrombin
  • (C)  Prevention of capillary fragility
  • (D)  Stimulation of hematopoiesis in red bone marrow
Submitted By :Ali Uppal


Rhodopsin deficiency is chiefly associated with________________?

  • (A)  Vitamin D deficiency
  • (B)  Rickets
  • (C)  Vitamin A deficiency
  • (D)  Scurvy
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Vitamin also acting as hormones________________?

  • (A)  Vitamin D
  • (B)  Vitamin A
  • (C)  Vitamin B1
  • (D)  Vitamin C
Submitted By :Ali Uppal


Of prime importance in the structure of flavoproteins is____________?

  • (A)  Vit B6
  • (B)  Vit B2
  • (C)  Vit B1
  • (D)  Vit A
Submitted By :Ali Uppal