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- Question
Which of the following/(s) can be used for the reduction of nitrate in waste water?
Options- A. Growth of Hypomicrobium in presence of added methanol
- B. Micrococcus denitrificans cells encapsulated in liquid membranes
- C. Both (a) and (b)
- D. Nitrosomonas europaen
- Correct Answer
- Both (a) and (b)
- 1. The rate of degradation and microbes resistance to toxic pollutants remain better when the
Options- A. mixed cell population is used
- B. individual cell is used
- C. mixed cell population along with metals is used
- D. individual cell along with metal is used Discuss
- 2. Which of the following subgroup/(s) belong/(s) to the Baculo viruses?
Options- A. Nuclear polyhedrosis viruses
- B. Granulosis viruses
- C. Oryctestypes
- D. All of these Discuss
- 3. Which of the following microorganisms leach metals out of rock ores and can accumulate silver?
Options- A. Pseudomonas aeruginosa
- B. Thiobacillus
- C. Pseudomonas putida
- D. Zoogloea ramigera Discuss
- 4. The intervention in the communication system of nematodes offer several possibilities of bio control. Which of the following(s) play(s) a very important role in the host recognition?
Options- A. Protein
- B. Lipid
- C. Carbohydrate moiety
- D. Minerals Discuss
- 5. Plant tissue culture technique is used to select somaclones that are
Options- A. resistant to herbicide
- B. not resistant to herbicide
- C. resistant to insecticides
- D. not resistant to insecticides Discuss
- 6. Which of the following accumulates from factory waste?
Options- A. Pseudomonas aeruginosa
- B. Thiobacillus
- C. Pseudomonas putida
- D. Zoogloea ramigera Discuss
- 7. Streptomyces griseochromogenes is reported to show a potent curative effect against
Options- A. rice blast disease
- B. yellow blight of maize
- C. milo of soybean
- D. eye spot of sugarcane Discuss
- 8. Phenols degradation in waste water of hospitals, laboratories and coal processing to coke can be achieved by using
Options- A. fungus Aureobasidium pullulans adsorbed by the fibrous asbestos
- B. cells of Pseudomonas spp. either adsorbed to anthracite coal or entrapped on alginate gel
- C. both (a) and (b)
- D. Phanerochaete chrysosporium Discuss
- 9. Which of the following is the most effective for the rice sheath blight pathogen, Pellicularia sasakii?
Options- A. Polyoxin D
- B. Polyoxin B
- C. Polyoxin L
- D. Polyoxin C Discuss
- 10. Which of the following can be used for the removal of color from the effluents of pulp mill?
Options- A. Coriolus versicolor entrapped in calcium alginate beads
- B. Phanerochaete chrysosporium
- C. Both (a) and (b)
- D. Nitrosomonas europaen Discuss
Environmental Protection problems
Search Results
Correct Answer: mixed cell population is used
Correct Answer: All of these
Correct Answer: Thiobacillus
Correct Answer: Carbohydrate moiety
Correct Answer: resistant to herbicide
Correct Answer: Zoogloea ramigera
Correct Answer: rice blast disease
Correct Answer: both (a) and (b)
Correct Answer: Polyoxin D
Correct Answer: Both (a) and (b)
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