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MCQs

Total Questions : 72 | Page 6 of 8 pages
Question 51. Who reported the first industrial use of immobilized enzymes in 1967?
  1.    Robert Hook
  2.    Chibata and co-workers
  3.    James Watson
  4.    Kary Mullis
 Discuss Question
Answer: Option B. -> Chibata and co-workers
Answer: (b).Chibata and co-workers
Question 52. Which of the physical property of the matrices particularly determine the surface area and binding capacity?
  1.    Swelling behaviour
  2.    Mechanical strength
  3.    Compression behaviour
  4.    Pore parameters
 Discuss Question
Answer: Option D. -> Pore parameters
Answer: (d).Pore parameters
Question 53. In physical adsorption the enzymes are attached to the matrix through hydrogen bonding, van der Waals forces, or hydrophobic interactions; whereas in ionic bonding, the enzymes are bound through?
  1.    Hydrophilic linkage
  2.    Di-sulphide bonding
  3.    Salt linkages
  4.    Cross-linking
 Discuss Question
Answer: Option C. -> Salt linkages
Answer: (c).Salt linkages
Question 54. The most common procedures of irreversible enzyme immobilization are covalent coupling, entrapment or micro-encapsulation and ____________
  1.    Hydrophilic linkage
  2.    Di-sulphide bonding
  3.    Covalent bonding
  4.    Cross-linking
 Discuss Question
Answer: Option D. -> Cross-linking
Answer: (d).Cross-linking
Question 55. What is the method name that is based on the occlusion of an enzyme within a polymeric network that allows the substrate and products to pass through but retains the enzyme?
  1.    The entrapment method
  2.    Covalent coupling
  3.    Microencapsulation
  4.    Hollow fibre
 Discuss Question
Answer: Option A. -> The entrapment method
Answer: (a).The entrapment method
Question 56. Which of the following is a characteristic of piezoelectric biosensors?
  1.    Detects the change in light adsorption
  2.    Detects the photon out for luminescent
  3.    Detects the movement of electrons between electrodes
  4.    Detects the angle at which electrons are emitted
 Discuss Question
Answer: Option D. -> Detects the angle at which electrons are emitted
Answer: (d).Detects the angle at which electrons are emitted
Question 57. Which is not a type of intellectual property?
  1.    Trade secrets
  2.    Trademarks
  3.    Home loans
  4.    Copyrights
 Discuss Question
Answer: Option C. -> Home loans
Answer: (c).Home loans
Question 58. Which of the following is a characteristic of DNA biosensors?
  1.    Detects the change in light adsorption
  2.    Detects the photon out for luminescent
  3.    Detects the movement of electrons between electrodes
  4.    Formation of DNA recognition layer
 Discuss Question
Answer: Option D. -> Formation of DNA recognition layer
Answer: (d).Formation of DNA recognition layer
Question 59. In which article is intellectual property rights outlined?
  1.    Article 15
  2.    Article 27
  3.    Article 13
  4.    Article 20
 Discuss Question
Answer: Option B. -> Article 27
Answer: (b).Article 27
Question 60. How long does intellectual property last? (after the death of the author)
  1.    10 yrs
  2.    30 yrs
  3.    60 yrs
  4.    70 yrs
 Discuss Question
Answer: Option D. -> 70 yrs
Answer: (d).70 yrs

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