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MCQs

Total Questions : 52 | Page 5 of 6 pages
Question 41. Entrapment of calcium alginate is not used in case of which of the following?
  1.    Enzyme immobilization of microbial preparations
  2.    Enzyme immobilization of plant preparations
  3.    Immobilization of invertase enzyme
  4.    Enzyme immobilization of animal preparations
 Discuss Question
Answer: Option C. -> Immobilization of invertase enzyme
Answer: (c).Immobilization of invertase enzyme
Question 42. Which of the following method can be applied when substrates molecules are much smaller than enzyme?
  1.    Covalent binding
  2.    Adsorption
  3.    Hollow fiber
  4.    Entrapment
 Discuss Question
Answer: Option C. -> Hollow fiber
Answer: (c).Hollow fiber
Question 43. In which type of immobilization, the enzyme will be in a molecular cage?
  1.    Adsorption
  2.    Covalent binding
  3.    Entrapment
  4.    Membrane confinement
 Discuss Question
Answer: Option C. -> Entrapment
Answer: (c).Entrapment
Question 44. The kinetic behavior of a bound enzyme is similar to that of free enzyme.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 45. In ________ method, the enzyme molecule in aqueous solution is confined within a semipermeable membrane.
  1.    adsorption
  2.    covalent binding
  3.    entrapment
  4.    membrane confinement
 Discuss Question
Answer: Option B. -> covalent binding
Answer: (b).covalent binding
Question 46. In which of the following method, entrapment can be achieved?
  1.    Adsorption
  2.    Membrane confinement
  3.    Covalent binding
  4.    Microencapsulation
 Discuss Question
Answer: Option D. -> Microencapsulation
Answer: (d).Microencapsulation
Question 47. For positively charged substrates, \(K_m^{app}\) is given by which of the following?
  1.    Kₘλ
  2.    Kₘ/λ
  3.    Vₘₐₓ/2
  4.    Vₘₐₓ
 Discuss Question
Answer: Option A. -> Kₘλ
Answer: (a).Kₘλ
Question 48. What does the equation, \(D_a = \frac{V_{max}}{K_L [S_b]}\) represent?
  1.    Porosity
  2.    Turnover number
  3.    Damkohler number
  4.    Tortuosity
 Discuss Question
Answer: Option C. -> Damkohler number
Answer: (c).Damkohler number
Question 49. The following diagram represents ____________ method of immobilization.The Following Diagram Represents ____________ Method Of Immo...
  1.    covalent binding
  2.    adsorption
  3.    entrapment
  4.    membrane confinement
 Discuss Question
Answer: Option C. -> entrapment
Answer: (c).entrapment
Question 50. In case of immobilized enzymes, the equation \(V=K_L ([S_0]-[S])=\frac{V_{max} [S]}{K_m+S+\frac{S^2}{K_S}}\) represents ______________ inhibition.
  1.    substrate
  2.    product
  3.    uncompetitive
  4.    competitive
 Discuss Question
Answer: Option A. -> substrate
Answer: (a).substrate

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