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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. During the growth of animal cells in culture, it is noticed that the cells do not look very healthy. After an investigation, this is found that there is a lot of lactic acid in the culture fluid. What is probably wrong with this culture?
Options- A. Ethyl alcohol is being produced in excess
- B. The cells have too much oxygen
- C. Glycolysis is being inhibited
- D. The cells do not have enough oxygen Discuss
- 2. Insect resistance in the transgenic plant has been achieved by
Options- A. transferring genes for Bt toxins
- B. transferring genes for protease inhibitors
- C. transferring genes for other insecticidal secondary metabolities
- D. all of the above Discuss
- 3. Charon 34 and Charon 35 can clone DNA upto
Options- A. 1-2 kb
- B. 6-7 kb
- C. 9-20 kb
- D. 30-35 kb Discuss
- 4. Chlorotetracyclin is soluble in
Options- A. organic solvents
- B. water
- C. ether
- D. all of these Discuss
- 5. The Ig locus is about
Options- A. 2/3rd of all hybridomas
- B. l/3rd of all hybridomas
- C. l/2nd of all hybridomas
- D. 1/4th of all hybridomas Discuss
- 6. Some cross reactions with monoclonal antibodies (MAbs) can occur. Unexpected cross reactions occur more frequently with
Options- A. Ig MAbs
- B. IgG
- C. IgA
- D. IgE Discuss
- 7. T cells are the source of
Options- A. interleukin
- B. interferon
- C. lymphotoxin
- D. all of these Discuss
- 8. Plasmid incompatibility is
Options- A. inability of a plasmid to grow in the host
- B. inability of two different plasmids to coexist in the same host cell in the absence of selection pressure.
- C. both (a) and (b)
- D. none of the above Discuss
- 9. Water content of active protoplasm is
Options- A. 10%
- B. 40%
- C. 70%
- D. 90% Discuss
- 10. The crushed grapes are known as
Options- A. malt
- B. must
- C. wort
- D. sonti Discuss
More questions
Correct Answer: The cells do not have enough oxygen
Correct Answer: all of the above
Correct Answer: 9-20 kb
Correct Answer: water
Correct Answer: 2/3rd of all hybridomas
Correct Answer: Ig MAbs
Correct Answer: all of these
Correct Answer: inability of two different plasmids to coexist in the same host cell in the absence of selection pressure.
Correct Answer: 90%
Correct Answer: must
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