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- Question
Nitrogen fixation by the microorganisms can be detected by adopting the approach of
Options- A. demonstrating growth in a nitrogen free medium
- B. cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen
- C. measuring15N2 by mass spectrometer
- D. all of the above
- Correct Answer
- all of the above
- 1. Bacteria are
Options- A. saprophytic
- B. symbiotic
- C. hyper parasitic
- D. all of these Discuss
- 2. What is the usual sequence of a Pribnow box?
Options- A. AUAUA
- B. TATAAT
- C. UUUUU
- D. TTGACA Discuss
- 3. Prokaryotic microorganism include
Options- A. protozoa
- B. fungi
- C. bacteria
- D. all of these Discuss
- 4. VDRL test is an example of
Options- A. Tube test
- B. Ring test
- C. Slide test
- D. none of these Discuss
- 5. In eukaryotic cells, ribosomes are
Options- A. 70S
- B. 60S
- C. 80S
- D. Not specific Discuss
- 6. Which of the following virus is susceptible to chloroform?
Options- A. Herpes
- B. Influenza
- C. Measles
- D. All of these Discuss
- 7. The hyphae of mold are
Options- A. submerged
- B. aerial
- C. vegetative
- D. all of these Discuss
- 8. Guanine always binds to
Options- A. cytosine
- B. guanine
- C. thymine
- D. none of these Discuss
- 9. The physical nature of genomes is studied under
Options- A. structural genomics
- B. comparative genomics
- C. proteo genomics
- D. functional genomics Discuss
- 10. Mumps vaccine is prepared from the cultures of
Options- A. chick fibroblasts
- B. African green monkey cells
- C. healthy calves
- D. sheep Discuss
More questions
Correct Answer: saprophytic
Correct Answer: TATAAT
Correct Answer: bacteria
Correct Answer: Slide test
Correct Answer: 80S
Correct Answer: All of these
Correct Answer: all of these
Correct Answer: cytosine
Correct Answer: structural genomics
Correct Answer: chick fibroblasts
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