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- Question
Metabolism of dissolved organic material released by phytoplankton allows heterotrophic bacteria to become part of the particulate organic matter that is passed up the food web to be metabolized and released as mineral elements and CO2 at each transfer. This sentence describes the
Options- A. microbial loop
- B. Winogradsky column
- C. Redfield ratio
- D. Gibbs free energy
- Correct Answer
- microbial loop
- 1. The confirmatory test(s) for HIV infection is/are
Options- A. virus isolation
- B. detection of p24 antigen
- C. detection of viral nucleic acid
- D. all of the above Discuss
- 2. The arrangement, in which flagella are distributed all round the bacterial cell, is known as
Options- A. lophotrichous
- B. amphitrichous
- C. peritrichous
- D. monotrichous Discuss
- 3. Watery soft rot is found mostly in
Options- A. fruits
- B. vegetables
- C. cereals
- D. all of these Discuss
- 4. Nitrogen fixation is a process that requires
Options- A. energy
- B. an anaerobic environment
- C. both (a) and (b)
- D. an aerobic environment Discuss
- 5. Ergotism is responsible for all of the following except
Options- A. hallucinations
- B. Irish potato famine
- C. both (a) and (b)
- D. gangrene Discuss
- 6. Which of the following bacteria is susceptible to thiophen-2-carboxylic acid hydrazide?
Options- A. M bovis
- B. Mycobacterium tuberculosis
- C. M chelonei
- D. M fortuitum Discuss
- 7. Salmonellae can also be killed by
Options- A. pasteurisation
- B. chlorination
- C. boiling
- D. all of these Discuss
- 8. Human pathogenic bacteria is/are
Options- A. B pseudomallei
- B. Burkholderia mallei
- C. Pseudomonas aeruginosa
- D. All of these Discuss
- 9. The agent representing an isolate of hepatitis G virus is
Options- A. GBA-A
- B. GBV-B
- C. GBV-C
- D. none of these Discuss
- 10. In glycolysis, ATP is created by
Options- A. photophosphorylation
- B. the chemiosmotic mechanism
- C. substrate level phosphorylation
- D. the pentose phosphate pathway Discuss
More questions
Correct Answer: all of the above
Correct Answer: peritrichous
Correct Answer: vegetables
Correct Answer: both (a) and (b)
Correct Answer: gangrene
Correct Answer: M bovis
Correct Answer: all of these
Correct Answer: All of these
Correct Answer: GBV-C
Correct Answer: substrate level phosphorylation
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