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- Question
Which of the following is correct?
Options- A. All members of Hyphomycetes are also members of Fungi, but not all members of Fungi are members of Hyphomycetes
- B. All members of Fungi are also members of Hyphomycetes, but not all members of Hyphomycetes are members of Fungi
- C. All members of Hyphomycetes are members of Fungi, and all members of Fungi are members of Hyphomycetes
- D. No member of Hyphomycetes is a member of Fungi
- Correct Answer
- All members of Hyphomycetes are also members of Fungi, but not all members of Fungi are members of Hyphomycetes
- 1. Chemical precipitation of phosphorus is
Options- A. primary treatment
- B. secondary treatment
- C. tertiary treatment
- D. both (a) and (b) Discuss
- 2. 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 Discuss
- 3. Activated sludge undergoes
Options- A. Primary treatment
- B. Secondary treatment
- C. Tertiary treatment
- D. any of these Discuss
- 4. Removal of solids is generally considered as a
Options- A. Primary treatment
- B. Secondary treatment
- C. Tertiary treatment
- D. None of these Discuss
- 5. Trickling filter comes under
Options- A. primary treatment
- B. secondary treatment
- C. tertiary treatment
- D. none of these Discuss
- 6. All of the following species are considered coliforms except
Options- A. Enterobacter aerogenes
- B. Klebsiella pneumoniae
- C. Salmonella typhi
- D. Escherichia coli Discuss
- 7. Coliforms are used as indicator organisms because
Options- A. they are present wherever enteric pathogens are present
- B. a testing procedure with great specificity is easy to perform
- C. both (a) and (b)
- D. none of the above Discuss
- 8. The rate of flux of oxygen in air is __________ to/than the rate of flux of oxygen in water.
Options- A. greater
- B. lesser
- C. approximately equal
- D. half Discuss
- 9. __________ is an environment like __________ where microorganisms are functioning in an extremely thin film of water and where oxygen-containing air is close to them.
Options- A. low oxygen diffusion environment; soils
- B. high oxygen diffusion environment; soils
- C. low oxygen diffusion environment; lakes
- D. high oxygen diffusion environment; lakes Discuss
- 10. Which of the following is correct?
Options- A. Ultramicrobacteria or nanobacteria are the dominant bacteria in marine systems
- B. Ultramicrobacteria or nanobacteria are so numerous that they are a major food source for heterotrophic flagellates
- C. Both (a) and (b)
- D. none of the above Discuss
Microbes in Aquatic Environment problems
Search Results
Correct Answer: tertiary treatment
Correct Answer: microbial loop
Correct Answer: Secondary treatment
Correct Answer: Primary treatment
Correct Answer: secondary treatment
Correct Answer: Salmonella typhi
Correct Answer: both (a) and (b)
Correct Answer: greater
Correct Answer: high oxygen diffusion environment; soils
Correct Answer: Ultramicrobacteria or nanobacteria are the dominant bacteria in marine systems
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