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MCQs

Total Questions : 105 | Page 7 of 11 pages
Question 61. Word 'adsorb' is
  1.    bonding to the surface
  2.    absorb
  3.    move in to substance
  4.    same
 Discuss Question
Answer: Option A. -> bonding to the surface
Answer: (a).bonding to the surface
Question 62. Fossils with sulfur (S₈) burn to produce
  1.    sulfur dioxide
  2.    sulfur oxides
  3.    sulfide
  4.    sulfur
 Discuss Question
Answer: Option A. -> sulfur dioxide
Answer: (a).sulfur dioxide
Question 63. New bonds are formed between adjacent nitrogen (N) atoms and
  1.    carbon dioxide and oxygen
  2.    oxygen
  3.    carbon dioxide
  4.    nitrogen
 Discuss Question
Answer: Option A. -> carbon dioxide and oxygen
Answer: (a).carbon dioxide and oxygen
Question 64. Catalysts which can be used for synthesis of ammonia includes
  1.    iron
  2.    ruthenium
  3.    osmium
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 65. The chemical adsorption in the synthesis of ammonia (NH₃) is called
  1.    rate of reaction
  2.    rate equation
  3.    rate determining step
  4.    none of above
 Discuss Question
Answer: Option C. -> rate determining step
Answer: (c).rate determining step
Question 66. The slope of Lineweaver Burk plot for Michaelis Menten equation is
  1.    Vmax/Km
  2.    Km/Vmax
  3.    1/Km
  4.    Km.Vmax
 Discuss Question
Answer: Option B. -> Km/Vmax
Answer: (b).Km/Vmax
Question 67. The initial velocity, V0, of an enzyme catalyzed reaction reaches Vmax as
  1.    [S] = KM
  2.    [S] = 10 * KM
  3.    1/[S] = 1/KM
  4.    1/[S] → 0
 Discuss Question
Answer: Option D. -> 1/[S] → 0
Answer: (d).1/[S] → 0
Question 68. Michaelis Menten equation can also be written as
  1.    (-Cs)/r = (Cs/rmax)+(Km/rmax)
  2.    1/r = (1/rmax)+(Km/(rmax.Cs))
  3.    r = rmax-(Km.r/Cs)
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Answer: (d).All of these
Question 69. The usual method(s) to solve rate equation of simple enzyme kinetics is/are
  1.    Michaelis Menten approach
  2.    Briggs-Haldane approach
  3.    Numerical solution approach
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these
Question 70. Which of the following step is assumed to be the slowest step in the Michaelis Menten equation?
  1.    The substrate consuming step
  2.    The product releasing step
  3.    Formation of enzyme substrate complex
  4.    None of these
 Discuss Question
Answer: Option B. -> The product releasing step
Answer: (b).The product releasing step

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