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MCQs

Total Questions : 56 | Page 4 of 6 pages
Question 31. What is the most important pre-requisite for a commercial enzyme production enterprise?
  1.    Cheap source
  2.    Extraction
  3.    Purification
  4.    Isolation
 Discuss Question
Answer: Option A. -> Cheap source
Answer: (a).Cheap source
Question 32. Enzyme which can be extracted from mammary gland is _________
  1.    pectinase
  2.    glucornidase
  3.    lipase
  4.    acetyl CoA carboxylase
 Discuss Question
Answer: Option D. -> acetyl CoA carboxylase
Answer: (d).acetyl CoA carboxylase
Question 33. Which one of the following is not a factor that limit the selection of right starting material for enzyme production?
  1.    Source selection
  2.    Availability of enzyme in the source
  3.    Isolation procedures
  4.    Location of enzyme
 Discuss Question
Answer: Option C. -> Isolation procedures
Answer: (c).Isolation procedures
Question 34. Which of the following enzyme cannot be extracted from liver?
  1.    Glucokinase
  2.    Lactose synthase
  3.    Arginase
  4.    Glutaminase
 Discuss Question
Answer: Option B. -> Lactose synthase
Answer: (b).Lactose synthase
Question 35. Phytanase can be extracted only from ___________ species.
  1.    plant
  2.    prokaryote
  3.    fungal
  4.    animal
 Discuss Question
Answer: Option B. -> prokaryote
Answer: (b).prokaryote
Question 36. The method for determining molecular weight based on the size is __________
  1.    mass spectrometry
  2.    ultracentrifugation
  3.    gel filtration
  4.    biosensor
 Discuss Question
Answer: Option C. -> gel filtration
Answer: (c).gel filtration
Question 37. What is represented in the following equation?
\(M_r=\frac{RTS}{D(1-Vρ)}\)
  1.    Svedberg equation
  2.    Miachelis Menten equation
  3.    Arrhenius equation
  4.    Turn over number
 Discuss Question
Answer: Option A. -> Svedberg equation
Answer: (a).Svedberg equation
Question 38. In which of the following techniques, a packed column is calibrated by applying known molecular weight enzyme to find out the molecular weight of a new enzyme?
  1.    Mass spectrometry
  2.    Ultracentrifugation
  3.    Gel filtration
  4.    SDS-gel electrophoresis
 Discuss Question
Answer: Option C. -> Gel filtration
Answer: (c).Gel filtration
Question 39. Which of the following method to determine molecular weight uses SDS?
  1.    Mass spectrometry
  2.    Ultracentrifugation
  3.    Gel filtration
  4.    SDS-gel electrophoresis
 Discuss Question
Answer: Option D. -> SDS-gel electrophoresis
Answer: (d).SDS-gel electrophoresis
Question 40. Which of this is not a part of a mass spectrometer?
  1.    Ion source
  2.    Biocatalyst
  3.    Mass analyzer
  4.    Detector
 Discuss Question
Answer: Option B. -> Biocatalyst
Answer: (b).Biocatalyst

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