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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
  • (E)  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