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- Question
Very high sugar concentration (40-100 g/l) have been used
Options- A. in specialized secondary metabolite production
- B. to adjust the osmotic potential of the media in short term treatment for regeneration
- C. Both (a) and (b)
- D. none of these
- Correct Answer
- Both (a) and (b)
- 1. ? ZAP vector is an example of
Options- A. phage
- B. phagemid
- C. cosmid
- D. plasmid Discuss
- 2. In koji process for the fermentation to produce citric acid,
Options- A. A. niger is used with solid substrate as sweet potato
- B. A. niger floats on the surface of solution
- C. Fungal mycelium grows through out the solution in a deep tank
- D. both (a) and (b) Discuss
- 3. Which of the following abnormality, resulted from the inheritance of an unbalanced complement of chromosomes can be diagnosed through karotyping?
Options- A. Down's syndrome
- B. Turner's syndrome
- C. Klinefelter's syndrome
- D. all of these Discuss
- 4. Incase of inversion when the inverted segment of chromosome includes centromere, it is known as
Options- A. paracentric inversion
- B. double inversion
- C. inverted inversion
- D. pericentric inversion Discuss
- 5. What are the fermentation conditions for the ethanol production?
Options- A. pH 6; temperature 35°C
- B. pH 5; temperature 35°C
- C. pH 6; temperature 30°C
- D. pH 5; temperature 30°C Discuss
- 6. An example of mosaic antigen is
Options- A. virus
- B. bacteria
- C. a hapten
- D. protein Discuss
- 7. Somaclonal variation method refers to
Options- A. heritable changes
- B. genetic isolation
- C. small number of species having limited commercial potential
- D. large number of plant cells Discuss
- 8. Which of the following metabolites are implicated in stress tolerance?
Options- A. Proline
- B. Betaines
- C. Both (a) and (b)
- D. Citrate Discuss
- 9. Which phase of mitosis is associated with separation of chromatids?
Options- A. Prophase
- B. Metaphase
- C. Anaphase
- D. Telophase Discuss
- 10. What is the pH of the medium when molasses is used as substrate for the production of citric acid?
Options- A. 3
- B. 4
- C. 5
- D. 6 Discuss
More questions
Correct Answer: phagemid
Correct Answer: A. niger is used with solid substrate as sweet potato
Correct Answer: all of these
Correct Answer: pericentric inversion
Correct Answer: pH 5; temperature 35°C
Correct Answer: virus
Correct Answer: heritable changes
Correct Answer: Both (a) and (b)
Correct Answer: Anaphase
Correct Answer: 5
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