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- Question
Helper T cells assist in the functions of
Options- A. certain B cells
- B. certain T cells
- C. certain B cells and other T cells
- D. none of the above
- Correct Answer
- certain B cells and other T cells
- 1. Specific oxygen consumption rates for mammalian cells are in the range of (where n and p represents to nano and pico respectively)
Options- A. 0.05-5 nmol of O2/cell/h
- B. 5 - 10 nmol of O2 /cell/h
- C. 0.05-5 pmol of O2/cell/h
- D. 5 - 10 pmol of O2/cell/h Discuss
- 2. The homologous chromosomes follow the process of synopsis in the
Options- A. leptotene
- B. zygotene
- C. pachytene
- D. diplotene Discuss
- 3. Which of the following is used for agitation in a fermentor?
Options- A. Impeller
- B. Baffles
- C. Sparger
- D. All of these Discuss
- 4. In India first genetically engineered vaccine against HBV was developed by
Options- A. Ranbaxy Pvt Ltd
- B. Shantha Biotechnics Pvt Ltd
- C. Dabur Pvt Ltd
- D. Glaxo Pvt Ltd Discuss
- 5. Antisense technology
Options- A. selectively blocks expression of a gene
- B. combines genetic material from different species
- C. combines organelles and cells
- D. alters or transfers cells Discuss
- 6. Select the wrong statement about plasmids?
Options- A. It is extrachromosomal
- B. It is double stranded
- C. Its replication depends upon host cell
- D. It is closed and circular DNA Discuss
- 7. Which is the most common carbon source used in the plant cell culture media?
Options- A. Sucrose
- B. Glucose
- C. Fructose
- D. Maltose Discuss
- 8. A group of about 300 chlorophyll molecule acting together to trap photons and transfer energy to the pigment molecule at the reaction center may be called as
Options- A. harvesting unit
- B. reaction center
- C. photosynthetic unit
- D. chloromass Discuss
- 9. The controversy regarding the use of Bt corn is that it
Options- A. is potentially harmful to monarch butterflies
- B. is a potential allergen to humans
- C. both (a) and (b)
- D. can contaminate groundwater Discuss
- 10. Recombinant vaccine for HBV was produced by cloning viral genes in
Options- A. plasmids
- B. cosmids
- C. autonomously replicating plasmid of yeast
- D. phagemids Discuss
More questions
Correct Answer: 0.05-5 pmol of O2/cell/h
Correct Answer: zygotene
Correct Answer: Impeller
Correct Answer: Shantha Biotechnics Pvt Ltd
Correct Answer: selectively blocks expression of a gene
Correct Answer: Its replication depends upon host cell
Correct Answer: Sucrose
Correct Answer: photosynthetic unit
Correct Answer: both (a) and (b)
Correct Answer: autonomously replicating plasmid of yeast
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