Discussion
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- Question
Removal of solids is generally considered as a
Options- A. Primary treatment
- B. Secondary treatment
- C. Tertiary treatment
- D. None of these
- Correct Answer
- Primary treatment
- 1. Trickling filter comes under
Options- A. primary treatment
- B. secondary treatment
- C. tertiary treatment
- D. none of these Discuss
- 2. The amount of oxygen dissolved in hypolimnion water in the winter is __________ to/than the amount of oxygen dissolved in hypolimnion water in the summer
Options- A. greater
- B. lesser
- C. approximately equal to
- D. half Discuss
- 3. Because it can be used with a variety of media and allow a resuscitation step the __________ technique has become the common and often preferred method of evaluating the microbiological characteristics of water.
Options- A. most probable number
- B. Winogradsky
- C. MUG
- D. membrane filtration Discuss
- 4. The antibiotics not clinically useful for Pseudomonas aeruginosa infection is
Options- A. aminoglycosides
- B. ceftazidime
- C. piperacillin
- D. trimethoprim-sulphamethoxazole Discuss
- 5. Cephalosporins and Penicillins interfere with which of the following?
Options- A. Protein synthesis
- B. DNA function
- C. Cell membrane function
- D. Cell wall synthesis Discuss
- 6. Activated sludge undergoes
Options- A. Primary treatment
- B. Secondary treatment
- C. Tertiary treatment
- D. any of these Discuss
- 7. 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
- 8. Chemical precipitation of phosphorus is
Options- A. primary treatment
- B. secondary treatment
- C. tertiary treatment
- D. both (a) and (b) Discuss
- 9. 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 Discuss
- 10. All of the following species are considered coliforms except
Options- A. Enterobacter aerogenes
- B. Klebsiella pneumoniae
- C. Salmonella typhi
- D. Escherichia coli Discuss
Microbes in Aquatic Environment problems
Search Results
Correct Answer: secondary treatment
Correct Answer: greater
Correct Answer: membrane filtration
Correct Answer: trimethoprim-sulphamethoxazole
Correct Answer: Cell wall synthesis
Correct Answer: Secondary treatment
Correct Answer: microbial loop
Correct Answer: tertiary treatment
Correct Answer: All members of Hyphomycetes are also members of Fungi, but not all members of Fungi are members of Hyphomycetes
Correct Answer: Salmonella typhi
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