Biochemistry Mcqs

Adrenaline acts on which enzyme in glycogenolysis ?

(A) Glucokinase

(B) Hexokinase

(C) Phosphorylase

(D) Glucose diphosphatase

Submitted By: Ali Uppal


Insulin acts on which enzyme in glycolysis ?

(A) Glucokinase

(B) Hexokinase

(C) Glucose 6 phosphatase

(D) Adenylate kinase

Submitted By: Ali Uppal


The compound that can give rise to glucose by gluconeogenesis is_____________?

(A) Acetyl CoA

(B) Lactate

(C) Palmitic acid

(D) Fructose

Submitted By: Ali Uppal


Which of the following statement is TRUE? The hydrolysis of lactose yields glucose and galactose_____________?

(A) The hydrolysis of lactose yields glucose and galactose

(B) The hydrolysis of maltose yields glucose and fructose

(C) The hydrolysis of sucrose yields only glucose

(D) All of the above statements are true

Submitted By: Ali Uppal


Which of them is multienzyme complex_____________?

(A) Pyruvate dehydrogenase

(B) Alpha ketoglutarate dehydrogenase

(C) Succinate dehydrogenase

(D) Enolase

(D) Both A & B

Submitted By: Ali Uppal


Kreb’s cycle occurs in _________ conditions?

(A) Aerobic

(B) Anaerobic

(C) Microaerophilic

(D) Aerobic and anaerobic

Submitted By: Ali Uppal


Which acid is formed in the citric acid cycle ?

(A) Oxaloacetic acid

(B) Glutamic acid

(C) Nitric acid

(D) None of the above

Submitted By: Ali Uppal


The main enzyme responsible for activation of xenobiotics in (detoxification)____________?

(A) Cytochrome P-450

(B) Glutathione S-transferase

(C) NADPH cytochrome P-450 reductase

(D) Glucuronyl transferase

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Lactate dehydrogenase is____________?

(A) Isozyme

(B) Coenzyme

(C) Antienzyme

(D) Zymogen

Submitted By: Ali Uppal