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MCQs

Total Questions : 52 | Page 4 of 6 pages
Question 31. The restriction of enzyme mobility in a fixed space is known as ___________
  1.    enzyme immobilization
  2.    enzyme inhibition
  3.    enzyme kinetics
  4.    biosensor
 Discuss Question
Answer: Option A. -> enzyme immobilization
Answer: (a).enzyme immobilization
Question 32. Which of the following is a disadvantage of an immobilized enzyme?
  1.    Immobilization process allows continuous process
  2.    Immobilization mean additional cost
  3.    Increase productivity
  4.    Immobilization prevents loss of activity
 Discuss Question
Answer: Option B. -> Immobilization mean additional cost
Answer: (b).Immobilization mean additional cost
Question 33. Which of the following is not a property of carrier matrices?
  1.    Thermal stability
  2.    Stability of the material
  3.    Physical strength
  4.    Easily available
 Discuss Question
Answer: Option A. -> Thermal stability
Answer: (a).Thermal stability
Question 34. Which was the 1st enzyme to be immobilized by adsorption method?
  1.    Protease
  2.    Glucose isomerase
  3.    Invertase
  4.    Amylase
 Discuss Question
Answer: Option C. -> Invertase
Answer: (c).Invertase
Question 35. In which of the following method, the enzyme is bound to a suitable adsorbent material rendering it immobile?
  1.    Adsorption
  2.    Covalent binding
  3.    Entrapment
  4.    Membrane confinement
 Discuss Question
Answer: Option A. -> Adsorption
Answer: (a).Adsorption
Question 36. What does the following graph represent?What Does The Following Graph Represent?
  1.    Concentration profile
  2.    Variation in rate of reaction with surface concentration of the substrate
  3.    Arrhenius plot
  4.    Lineweaver Burk plot
 Discuss Question
Answer: Option B. -> Variation in rate of reaction with surface concentration of the substrate
Answer: (b).Variation in rate of reaction with surface concentration of the substrate
Question 37. The graph in the following diagram represents ____________________The Graph In The Following Diagram Represents ______________...
  1.    The effect of diffusional control on the local pH
  2.    The effect of diffusional control on pH activity profile of an immobilized enzyme
  3.    The effect of pH on activity of a free enzyme
  4.    Arrhenius plot
 Discuss Question
Answer: Option A. -> The effect of diffusional control on the local pH
Answer: (a).The effect of diffusional control on the local pH
Question 38. Which of the following matrix is not used while immobilizing the enzyme by covalent binding?
  1.    Agarose
  2.    Cellulose
  3.    Calcium alginate
  4.    Glutaraldehyde
 Discuss Question
Answer: Option C. -> Calcium alginate
Answer: (c).Calcium alginate
Question 39. Which of the following is not a matrix used for entrapment?
  1.    Agar
  2.    Collagen
  3.    Glutaraldehyde
  4.    Diatomaceous earth
 Discuss Question
Answer: Option B. -> Collagen
Answer: (b).Collagen
Question 40. Entrapment can be achieved by using which of the following ways?
  1.    Adsorption
  2.    Polymerized gel entrapment
  3.    Membrane confinement
  4.    Covalent binding
 Discuss Question
Answer: Option B. -> Polymerized gel entrapment
Answer: (b).Polymerized gel entrapment

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