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- Question
Composting is one of the oldest forms of disposal of waste. It is the natural process of decomposition of organic waste that yields manure or compost. One of the following is added to the compost to get better results?
Options- A. Ants
- B. Bugs
- C. Snakes
- D. Worms
- Correct Answer
- Worms
- 1. Most microbial structures and enzymes are composed of
Options- A. lipids
- B. proteins
- C. carbohydrates
- D. lipids and carbohydrates Discuss
- 2. Transmission of bubonic plague is by
Options- A. rat flea
- B. inhalation
- C. ingestion
- D. all of these Discuss
- 3. Which one is not studied in microbiology?
Options- A. Bacteria
- B. Animal behaviour
- C. Fungi
- D. Algae Discuss
- 4. Which is not a function of IgA?
Options- A. Protect mucosal surfaces
- B. Fix complement
- C. Protect eyes
- D. Agglutinate antigen Discuss
- 5. Cell wall protein of Streptococcus pyogenes crossreacts with human
Options- A. synovial fluid
- B. cardiac valves
- C. myocardium
- D. vascular intima Discuss
- 6. Transmission of pneumonic plague from man to man is through
Options- A. inoculation
- B. ingestion
- C. droplet infection
- D. all of these Discuss
- 7. All the following are considered eukaryotes except
Options- A. archaea
- B. fungi
- C. protozoa
- D. humans Discuss
- 8. A disease producing species occurring in a mixed culture can often be selected on the basis of its
Options- A. pathogenic properties
- B. special carbon source
- C. special nitrogen source
- D. none of these Discuss
- 9. Which of the following organisms typically get their carbon for biosynthesis from carbon dioxide?
Options- A. Glucose-fermenting bacteria (fermentation)
- B. Anaerobic, glucose-respiring bacteria (anaerobic respiration)
- C. Aerobic, glucose-respiring bacteria (aerobic respiration)
- D. Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Discuss
- 10. During DNA replication in prokaryotes, synthesis begins on the circular chromosome
Options- A. always at the same place
- B. at any stretch of DNA that is high in AT pairs
- C. randomly on the chromosome
- D. at the promoter Discuss
More questions
Correct Answer: proteins
Correct Answer: rat flea
Correct Answer: Animal behaviour
Correct Answer: Fix complement
Correct Answer: myocardium
Correct Answer: droplet infection
Correct Answer: archaea
Correct Answer: pathogenic properties
Correct Answer: Ammonia-oxidizing bacteria (chemolithotrophic bacteria)
Correct Answer: always at the same place
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