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