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- Question
Bar eye character of Drosophila is due to
Options- A. duplication in region of 16A of X chromosome
- B. deletion in region of 16A of X chromosome
- C. due to presence of additional X-chromosome
- D. due to a point mutation in eye-locus
- Correct Answer
- duplication in region of 16A of X chromosome
- 1. Which of the following would not be found in a prokaryotic cell?
Options- A. organelles
- B. DNA
- C. nucleoid
- D. nucleus Discuss
- 2. Range of optimum glucose concentration present in the culture media is
Options- A. 5.5 - 55 mmol/litre
- B. 55 - 75 mmol/litre
- C. 75-105 mmol/litre
- D. 105-150 mmol/litre Discuss
- 3. After the fermentation is over, ethanol is recovered by
Options- A. centrifugation
- B. distillation
- C. filtration
- D. cell disintegration Discuss
- 4. Neurospora is used as an experimental tool in
Options- A. ecology
- B. cytology
- C. genetics
- D. physiology Discuss
- 5. The crystal-like material sometimes found in wine bottles is
Options- A. residual diatomaceous earth
- B. tannin
- C. prevented by cold stabilizing
- D. caused by excessive malic acid Discuss
- 6. If the RBC of human were kept in 0.9% NaCl solution, what sort of change will occur to RBC?
Options- A. Cell will Burst
- B. Cell will shrink
- C. No change to RBC
- D. RBC will destroy Discuss
- 7. Which type of restriction endonuclease cuts the DNA within the recognition site?
Options- A. Type I
- B. Type II
- C. Type III
- D. All of the these Discuss
- 8. Which of the following organism is not used in any of the traditional industrial fermentation?
Options- A. E. coli
- B. Yeast
- C. Bacillus
- D. Pseudomonas Discuss
- 9. α-aminoadipate inhibits the growth if one of the following marker is present in the yeast. That is
Options- A. His 3
- B. Lys 2
- C. Ura 3
- D. Trp 1 Discuss
- 10. The organism used for the preparation of sonti is
Options- A. Rhizopus sonti
- B. Aspergillus oryzae
- C. Lactobacillus vermiformis
- D. Saccharomyces pyriformis Discuss
More questions
Correct Answer: nucleus
Correct Answer: 5.5 - 55 mmol/litre
Correct Answer: distillation
Correct Answer: genetics
Correct Answer: prevented by cold stabilizing
Correct Answer: No change to RBC
Correct Answer: Type II
Correct Answer: E. coli
Correct Answer: Lys 2
Correct Answer: Rhizopus sonti
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