Biochemistry Mcqs

Serum alkaline phosphatase level increase in_______________?

(A) Hypothyroidism

(B) Carcinoma of prostate

(C) Hyperparathyroidism

(D) Myocardial infarction

Submitted By: Ali Uppal


Enzymes concerned with the citric acid cycle are found in______________?

(A) Nucleus

(B) Mitochondria

(C) Ribosomes

(D) Non-particulate cytoplasm

Submitted By: Ali Uppal


The most common enzyme deficiency in man is___________?

(A) Glucose 6 phosphate dehydrogenase

(B) Glucose 6 phosphatase

(C) Hexokinase

(D) Glucose 1,6 diphosphatase

Submitted By: Ali Uppal


Coenzyme, in an enzymatic reaction usually functions to_____________?

(A) Activate the substrate

(B) Increase the active sites of apoenzyme

(C) Enhance the specificity of apoenzyme

(D) Accept one of the cleavage products

Submitted By: Ali Uppal


When the prosthetic group of an enzyme is an inorganic ion, it is called a_____________?

(A) Cofactor

(B) Coenzyme

(C) Apoenzyme

(D) Holoenzyme

Submitted By: Ali Uppal


Megnesium is needed for the activity of which enzymes ?

(A) Phosphatase

(B) Aldolase

(C) Dismutase

(D) ATPase

Submitted By: Ali Uppal


The enzyme phosphofructo kinase-1 is strongly activated by_______________?

(A) Cyclic AMP

(B) Adenosine tri phosphate

(C) Citrate

(D) Fructose 2,6 bis phosphate

Submitted By: Ali Uppal


One of the earliest symptoms of Vit. A deficiency is________________?

(A) Nyctalopia

(B) Xerophthalmia

(C) Bitot’s spot

(D) Keratomalacia

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Muscle glycogen, which cannot contribute to blood glucose due to the absence of which enzymes ?

(A) Phosphoglutamase

(B) Branching enzyme

(C) Debranching enzyme

(D) Glucose-6-phosphotase

Submitted By: Ali Uppal