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MCQs

Total Questions : 91 | Page 2 of 10 pages
Question 11. The enzyme action model represented in the following diagram is ______________The Enzyme Action Model Represented In The Following Diagram...
  1.    Fluid Mosaic Model
  2.    Induced fit model
  3.    Reflective index model
  4.    Lock and Key Model
 Discuss Question
Answer: Option D. -> Lock and Key Model
Answer: (d).Lock and Key Model
Question 12. When the solvent phase in TLC is 20:80 mixture of hexane and ethyl acetate, the polar compounds will not move as much as non-polar compounds.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 13. Pick odd one out.
  1.    Silica gel
  2.    Alumina
  3.    Cellophane
  4.    Cellulose
 Discuss Question
Answer: Option C. -> Cellophane
Answer: (c).Cellophane
Question 14. What is the coloring agent used to detect laccase?
  1.    ABTS
  2.    Acetylated cellulose
  3.    Kieselghur
  4.    Hexane and Ethyl acetate mixture
 Discuss Question
Answer: Option A. -> ABTS
Answer: (a).ABTS
Question 15. On spraying the coloring agent, the enzyme is detected as a __________
  1.    square
  2.    triangle
  3.    line
  4.    spot
 Discuss Question
Answer: Option D. -> spot
Answer: (d).spot
Question 16. The ratio of distance travelled by the sample over the total distance covered by the solvent is referred to as ___________
  1.    solubility
  2.    miachelis menton constant
  3.    retention factor
  4.    volumetric throughput
 Discuss Question
Answer: Option C. -> retention factor
Answer: (c).retention factor
Question 17. Alkaline protease is purified by gel filtration using __________ as gel filtration media.
  1.    Sephacryl S-300
  2.    Biogel – P
  3.    Sephadex G-100
  4.    Agarose gel
 Discuss Question
Answer: Option C. -> Sephadex G-100
Answer: (c).Sephadex G-100
Question 18. _____________ retains analyte molecules based on the coulombic interaction.
  1.    Thin layer chromatography
  2.    Affinity chromatography
  3.    Gel filtration
  4.    Ion exchange chromatography
 Discuss Question
Answer: Option D. -> Ion exchange chromatography
Answer: (d).Ion exchange chromatography
Question 19. Pick the odd one out.
  1.    Gel filtration
  2.    Gel permeation chromatography
  3.    Ion-exchange chromatography
  4.    Restricted-diffusion chromatography
 Discuss Question
Answer: Option C. -> Ion-exchange chromatography
Answer: (c).Ion-exchange chromatography
Question 20. Smaller molecules elute faster than larger molecules during gel filtration.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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