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Home Biotechnology Environmental Protection Comments

  • Question
  • 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

  • Correct Answer
  • rice blast disease 


  • Environmental Protection problems


    Search Results


    • 1. Which of the following accumulates from factory waste?

    • Options
    • A. Pseudomonas aeruginosa
    • B. Thiobacillus
    • C. Pseudomonas putida
    • D. Zoogloea ramigera
    • Discuss
    • 2. 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
    • Discuss
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. Which of the following have been used to oxidize ammonia and to prevent algal growth?

    • 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
    • Discuss
    • 10. Which of the bacteria is considered for biological leaching?

    • Options
    • A. T. thiooxidans
    • B. T. ferrooxidans
    • C. Ferrobacillus terrooxidans
    • D. all of these
    • Discuss


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