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- Question
Sulphydryl oxidase is used for
Options- A. discoloration
- B. clarification of images
- C. UHT milk off flavour removal
- D. all of these
- Correct Answer
- UHT milk off flavour removal
- 1. Enzymes degrade, alter or synthesize a food component through
Options- A. oxidation/reduction/isomerization
- B. hydrolysis/synthesis
- C. group transfer
- D. all of the above Discuss
- 2. The power consumption in a stirring vessel can be assessed by using a
Options- A. dynamometer
- B. strain gauge attached to agitator shaft
- C. watt meter attached to agitator motor
- D. all of these Discuss
- 3. The plot commonly used for determining the value of Vmax is
Options- A. Lineweaver Burk plot
- B. Langmuir plot
- C. Eadie Hofstee plot
- D. all of these Discuss
- 4. The medium will have the highest viscosity (considering that the cells do not secrete gums) with the presence of
Options- A. single celled bacteria
- B. filamentous fungi that form pellets
- C. filamentous fungi that grow as long poorly branched chains
- D. yeast Discuss
- 5. Coliform bacteria in water is an indication of the presence of
Options- A. radioactive wastes
- B. excess fertilizer
- C. decaying animals and plants
- D. human feces Discuss
- 6. Non-competitive inhibitor of an enzyme catalyzed reaction
Options- A. decreases Vmax
- B. binds to Michaelis complex (ES)
- C. both (a) and (b)
- D. can actually increase reaction velocity in rare cases Discuss
- 7. At the end of the lag phase, when growth begins, the division rate increases gradually and reaches a maximum value in the exponential growth period. This transitional period is commonly called the accelerated growth phase and is often included as a part of the
Options- A. lag phase
- B. stationary phase
- C. death phase
- D. exponential growth phase Discuss
- 8. In a fluidized bed reactor mixing is achieved by
Options- A. gravity flow of fluid
- B. upward movement of the incoming feed
- C. diffusion
- D. both (a) and (b) Discuss
- 9. When an enzyme is functioning at Vmax, the rate of the reaction is limited by
Options- A. the number of collisions between enzyme and substrate
- B. the number of substrate molecules in the reaction
- C. the concentration of the substrate
- D. the rate at which the enzyme can convert substrate to product Discuss
- 10. Which of the following(s) is/are considered the limitations of the exponential growth model?
Options- A. Only predicts that cells grow exponentially during the log phase
- B. It does not consider factors that causes cells growth to stop or slow
- C. Predicts cell growth at a linear rate
- D. All of the above Discuss
More questions
Correct Answer: all of the above
Correct Answer: all of these
Correct Answer: all of these
Correct Answer: filamentous fungi that grow as long poorly branched chains
Correct Answer: human feces
Correct Answer: both (a) and (b)
Correct Answer: lag phase
Correct Answer: both (a) and (b)
Correct Answer: the rate at which the enzyme can convert substrate to product
Correct Answer: It does not consider factors that causes cells growth to stop or slow
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