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- Question
Candida utilis is used for the fermentation of waste sulphate liquor since it ferments
Options- A. hexoses only
- B. pentoses only
- C. both hexoses and pentoses
- D. none of these
- Correct Answer
- both hexoses and pentoses
- 1. Which of the following is not true about nurse or conditioned medium?
Options- A. It is liquid removed from the suspension of fast growing cells
- B. It contains uncharacterized growth factor released by growing cells
- C. It is used in the culture of regenerating protoplast
- D. it is removed aseptically from the culture and is autoclaved before use Discuss
- 2. When a fertilized egg cell develops into an embryo, the entropy of the living system
Options- A. decreases
- B. increases
- C. remains constant
- D. none of these Discuss
- 3. Malolactic fermentation
Options- A. produces lactic acid
- B. reduces total acidity
- C. produces diacetyl
- D. all of these Discuss
- 4. Stuffer is
Options- A. the right arm of the vector DNA
- B. the left arm of the vector DNA
- C. central fragment of the vector DNA
- D. none of the above Discuss
- 5. Punching down is done
Options- A. for the same reasons as pumping over
- B. to extract tannin
- C. both (a) and (b)
- D. to keep the cap dry Discuss
- 6. Malt vinegar is produced from
Options- A. fruit juices
- B. malted grain
- C. ethanol
- D. ale Discuss
- 7. Recombinant vaccine for Hepatitis B virus has been synthesized against which of the following antigen?
Options- A. Viral core antigen (HBcAg)
- B. Viral surface antigen (HBsAg)
- C. e antigen (HBeAg)
- D. All of the above Discuss
- 8. The proteins that forms the walls of the microtubules are
Options- A. actin
- B. tubulin
- C. pectin
- D. hydroxyproline Discuss
- 9. Sugar content of the fermentation medium for citric acid is maintained at
Options- A. 10-15%
- B. 15-20%
- C. 20-25 %
- D. 25-30 % Discuss
- 10. Which of the following is the most effective for the rice sheath blight pathogen, Pellicularia sasakii?
Options- A. Polyoxin D
- B. Polyoxin B
- C. Polyoxin L
- D. Polyoxin C Discuss
More questions
Correct Answer: it is removed aseptically from the culture and is autoclaved before use
Correct Answer: decreases
Correct Answer: all of these
Correct Answer: central fragment of the vector DNA
Correct Answer: to keep the cap dry
Correct Answer: malted grain
Correct Answer: Viral surface antigen (HBsAg)
Correct Answer: tubulin
Correct Answer: 20-25 %
Correct Answer: Polyoxin D
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