Enzyme Preparation And Usage(Enzyme Technology ) Questions and Answers

Question 1. Chymotrypsinogen: Chymotrypsin:: Pepsinogen: _____________
  1.    Pepsin
  2.    Trypsin
  3.    Carboxypeptidase
  4.    Thrombin
Explanation:-
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
Explanation:-
Answer: Option C. -> cofactors
Answer: (c).cofactors

Question 3. Copper: Cytochrome oxidase:: Potassium: _________
  1.    Arginase
  2.    Propionyl CoA carboxylase
  3.    Dintrogenase
  4.    Catalase
Explanation:-
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
Explanation:-
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
Explanation:-
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
Explanation:-
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
Explanation:-
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
Explanation:-
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
Explanation:-
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
Explanation:-
Answer: Option D. -> Paget’s disease
Answer: (d).Paget’s disease