Discussion
Home ‣ Biochemical Engineering ‣ Fermentation Reactors See What Others Are Saying!
- Question
Yield coefficient represents
Options- A. total biomass or product produced
- B. conversion efficiency of a substrate into product
- C. conversion rate of a substrate into biomass or product
- D. production time of biomass or product
- Correct Answer
- conversion efficiency of a substrate into product
- 1. An enzyme and a reactant molecule maintain relationship as
Options- A. a temporary association
- B. an association stabilized by a covalent bond
- C. one in which the enzyme is changed permanently
- D. non complementary binding Discuss
- 2. The prosthetic group present in phenolase enzyme is
Options- A. Mg
- B. Cu
- C. Ca
- D. Fe Discuss
- 3. Sulphydryl oxidase is used for
Options- A. discoloration
- B. clarification of images
- C. UHT milk off flavour removal
- D. all of these Discuss
- 4. Which medium is used for the production of Penicillin using immobilized cells
Options- A. 1% peptone medium
- B. glucose medium
- C. Yeast extract medium
- D. LB broth Discuss
- 5. Why a T-flask used in small-scale cell culture is incubated in a horizontal position?
Options- A. To save space
- B. To increase the surface area of the liquid-air interface
- C. Both (a) and (b)
- D. To increase the rate of oxygen transfer into the liquid Discuss
- 6. Permanent hardness of water may be removed by the addition of
Options- A. lime
- B. soda ash
- C. potassium permagnate
- D. sodium bicarbonate Discuss
- 7. Zeolite softening process removes both temporary and permanent hardness of water. In this process the calcium and magnesium present in water are precipitated as
Options- A. insoluble carbonates
- B. insoluble zeolites
- C. insoluble chlorides
- D. insoluble sulfates Discuss
- 8. Lag phase occurs mainly due to
Options- A. acclimatization with new environment and substrate
- B. higher growth temperature
- C. substrate disliking
- D. variation in substrate concentration Discuss
- 9. Residence time distribution (RTD) of a reactor is independent of
Options- A. micro mixing
- B. volume of reactor
- C. height of the reactor
- D. width of the reactor Discuss
- 10. In an airlift bioreactor, the air sparging region is called
Options- A. downcomer
- B. disengagement zone
- C. air riser
- D. none of these Discuss
More questions
Correct Answer: a temporary association
Correct Answer: Cu
Correct Answer: UHT milk off flavour removal
Correct Answer: glucose medium
Correct Answer: Both (a) and (b)
Correct Answer: soda ash
Correct Answer: insoluble zeolites
Correct Answer: acclimatization with new environment and substrate
Correct Answer: micro mixing
Correct Answer: air riser
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