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MCQs

Total Questions : 118 | Page 1 of 12 pages
Question 1. Chymotrypsinogen: Chymotrypsin:: Pepsinogen: _____________
  1.    Pepsin
  2.    Trypsin
  3.    Carboxypeptidase
  4.    Thrombin
 Discuss Question
Answer: Option A. -> Pepsin
Answer: (a).Pepsin
Question 2. Additional non protein chemical component required for optimum activity of enzymes is referred to as ___________
  1.    coenzymes
  2.    holoenzyme
  3.    cofactors
  4.    isoenzyme
 Discuss Question
Answer: Option C. -> cofactors
Answer: (c).cofactors
Question 3. Copper: Cytochrome oxidase:: Potassium: _________
  1.    Arginase
  2.    Propionyl CoA carboxylase
  3.    Dintrogenase
  4.    Catalase
 Discuss Question
Answer: Option B. -> Propionyl CoA carboxylase
Answer: (b).Propionyl CoA carboxylase
Question 4. Which of the following is not an enzyme?
  1.    Ribonucleotide reductase
  2.    Selenium
  3.    Glutathione peroxidase
  4.    Carbonic anhydrase
 Discuss Question
Answer: Option C. -> Glutathione peroxidase
Answer: (c).Glutathione peroxidase
Question 5. Pick the odd one out.
  1.    Thiamine pyrophosphate
  2.    FAD
  3.    NAD
  4.    Zinc
 Discuss Question
Answer: Option D. -> Zinc
Answer: (d).Zinc
Question 6. The group of enzymes that catalyze the interconversion of aminoacids to ketoacids by transfer of amino groups is referred to as ______________
  1.    alkaline phosphatase
  2.    5ᶦ – nucleotidase
  3.    transaminases
  4.    γ-glutamyl transferase
 Discuss Question
Answer: Option C. -> transaminases
Answer: (c).transaminases
Question 7. Which of the following is not a clinical significance of aldolase?
  1.    Progressive muscular dystrophy
  2.    Insecticide poisoning
  3.    Viral hepatitis
  4.    Prostate cancer
 Discuss Question
Answer: Option B. -> Insecticide poisoning
Answer: (b).Insecticide poisoning
Question 8. Which of the following is not true for macroamylase?
  1.    Presence of macroamylase in the serum is referred to as macroamylsemia
  2.    Macroamylase is formed by binding of ordinary S type amylase with IgG, IgA or other normal –abnormal high molecular weight proteins
  3.    Macroamylsemia is not symptomless
  4.    Macroamylase causes a harmless condition which may be confused with other causes of hyperamylasemia
 Discuss Question
Answer: Option C. -> Macroamylsemia is not symptomless
Answer: (c).Macroamylsemia is not symptomless
Question 9. Which of the following enzyme hydrolyzes triacylglycerol to β-monoglyceride and fatty acids?
  1.    Lipase
  2.    α-amylase
  3.    Trypsin
  4.    Acid phosphatase
 Discuss Question
Answer: Option A. -> Lipase
Answer: (a).Lipase
Question 10. In which of the following bone diseases, the plasma alkaline phosphatase levels are 10 to 25 times the normal upper limit?
  1.    Bone cancer
  2.    Rickets
  3.    Fanconi’s syndrome
  4.    Paget’s disease
 Discuss Question
Answer: Option D. -> Paget’s disease
Answer: (d).Paget’s disease

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