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- Question
Sometimes cell lines can be cultured for such a long time that they apparently develop the potential to be subcultured indefinitely in vitro. Such cells lines are called
Options- A. established cell lines
- B. primary cell lines
- C. secondary cell lines
- D. propagated cell lines
- Correct Answer
- established cell lines
- 1. If two genes show 50% recombination
Options- A. they are on different chromosomes
- B. they are on same chromosome but far apart
- C. both (a) and (b)
- D. they are closely located on the same chromosome Discuss
- 2. Yeast episomal plasmids (YEp) were constructed using
Options- A. 2?m yeast plasmid, fragments of yeast nuclear DNA and E coli vector pMB 9
- B. 2?m yeast plasmid, fragments of yeast nuclear DNA and E coli vector pBR 322
- C. 12?m yeast plasmid and E coli vector pMB 9
- D. 12?m yeast plasmid and E coli vector pBR 322 Discuss
- 3. Bock beer is prepared from
Options- A. roasted germinated barley seeds
- B. rice
- C. wheat
- D. grapes Discuss
- 4. ? ZAP vector is an example of
Options- A. phage
- B. phagemid
- C. cosmid
- D. plasmid Discuss
- 5. 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
- 6. 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
- 7. 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
- 8. 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
- 9. An example of mosaic antigen is
Options- A. virus
- B. bacteria
- C. a hapten
- D. protein Discuss
- 10. 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
More questions
Correct Answer: both (a) and (b)
Correct Answer: 2?m yeast plasmid, fragments of yeast nuclear DNA and E coli vector pMB 9
Correct Answer: roasted germinated barley seeds
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
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