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- Question
Yeast and mould count determination requires-
Options- A. nutrient agar
- B. acidified potato glucose agar
- C. MacConkey agar
- D. violet Red Bile agar
- Correct Answer
- acidified potato glucose agar
- 1. The groups of symbiotic bacteria, which have the ability to fix nitrogen
Options- A. derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen
- B. grow together for a mutual benefit is called symbiosis and so these bacteria are called symbiotic nitrogen-fixing bacteria
- C. these bacteria are from the genus, Rhizobium
- D. all of the above Discuss
- 2. The algae Chlamydomonas demonstrates a complex life cycle that switches between haploid and diploid forms. This life cycle is called
Options- A. the sexual-asexual exchange
- B. the transposition cycle
- C. an alternation of generations
- D. algal transformation Discuss
- 3. The transcription of the viral nucleic acid into mRNA is not necessary in case of
Options- A. RNA viruses
- B. ds DNA viruses
- C. ss DNA viruses
- D. all of these Discuss
- 4. Water molds form flagellated spores are called
Options- A. dinoflagellates
- B. fruiting bodies
- C. zoospores
- D. trichocysts Discuss
- 5. Before most molecules can enter the Krebs citric acid cycle, they must be converted to
Options- A. citric acid
- B. oxaloacetic acid
- C. NADH or FADH
- D. acetyl-CoA Discuss
- 6. Which of the following species of Mycobacterium is positive for nitrate reduction test?
Options- A. M chelonei
- B. M fortuitum
- C. Mycobacterium tuberculosis
- D. All of these Discuss
- 7. Which of the following is used only in life-threatening situations when no other drug is adequate?
Options- A. Penicillin
- B. Tetracycline
- C. Chloramphenicol
- D. Streptomycin Discuss
- 8. Prodigiosin (red pigment) is produced by members of genus
Options- A. Hafnia
- B. Enterobacter
- C. Serratia
- D. Cirobacter Discuss
- 9. Algae are found in all of the following places except
Options- A. oceans
- B. soils
- C. lakes and streams
- D. associates with fungi Discuss
- 10. As the electron flow through the chains, much of their free energy is conserved in the form of ATP. This process is called
Options- A. oxidative phosphorylation
- B. electromotive potential
- C. dehydrogenations
- D. none of these Discuss
More questions
Correct Answer: all of the above
Correct Answer: an alternation of generations
Correct Answer: RNA viruses
Correct Answer: zoospores
Correct Answer: acetyl-CoA
Correct Answer: All of these
Correct Answer: Chloramphenicol
Correct Answer: Serratia
Correct Answer: soils
Correct Answer: oxidative phosphorylation
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