Biochemistry Mcqs

The following are derived from cholesterol, EXCEPT_____________?

(A) Bile acids

(B) Steroid hormones

(C) Vitamin D

(D) Energy

Submitted By: Ali Uppal


Normal serum alkaline phosphatase level is_____________?

(A) 100-400 Bodansky units

(B) 1000-4000 Bodansky units

(C) 0.1-0.4 Bodansky units

(D) 1-4 Bodansky units

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Within the RBC hypoxia stimulates glycolysis by which of the following regulating pathways ?

(A) Hypoxia stimulates pyruvate dehydrogenase by increased, 2, 3DPG

(B) Hypoxia inhibits hexokinase

(C) Hypoxia stimulates release of all glycolytic enzymes from Band 3 on RBC membrane

(D) Activation of the regulatory enzymes by high PH

Submitted By: Ali Uppal


True about denaturation of protein is all except______________?

(A) Unfolding occurs

(B) Disruption of secondary structure occurs

(C) Sequence of amino acids remain the same

(D) Biological activity is retained

Submitted By: Ali Uppal


In the physiological system, nitric oxide is known to act through_______________?

(A) Cyclic AMP

(B) Calcium ions

(C) Cyclic GMP

(D) Prostacyclins

Submitted By: Ali Uppal


Free radicals are chemical species which have______________?

(A) Single unpaired electron in an outer orbit

(B) Single paired electron in an outer orbit

(C) Double unpaired electron in an outer orbit

(D) Double paired electron in an outer orbit

Submitted By: Ali Uppal


Which of these is not included in parenteral therapy ?

(A) Carbohydrates

(B) Fibres

(C) Fats

(D) Micronutrients

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Daily requirement of iron in man is_____________?

(A) 1gm

(B) 10 microgram

(C) 10 mg

(D) 20 mg

Submitted By: Ali Uppal