Environmental Protection problems
- 1. Which of the bacteria is considered for biological leaching?
Options- A. T. thiooxidans
- B. T. ferrooxidans
- C. Ferrobacillus terrooxidans
- D. all of these Discuss
Correct Answer: all of these
- 2. Milbemycin is known to exhibit a broad spectrum of activity against
Options- A. agricultural pests
- B. agricultural herbs
- C. agricultural insects
- D. all of these Discuss
Correct Answer: agricultural pests
- 3. The heavily polluted zone of water reservoir is known as
Options- A. pleosaprophytic zone
- B. mesosaprophytic zone
- C. oligosaprophytic zone
- D. none of these Discuss
Correct Answer: pleosaprophytic zone
- 4. Which of the following is known to control Colorado potato beetle?
Options- A. Beaveria bassiana
- B. Metarhizium anisopliae
- C. Verticillium lecauii
- D. Nomuraea rileyi Discuss
Correct Answer: Beaveria bassiana
- 5. Inundation involves use of a/an
Options- A. large number of organisms over a short time to suppress/destroy a population
- B. organism over a short time to suppress/destroy a population
- C. large number of organisms over a long time to suppress/destroy a population
- D. organism over a long time to suppress/destroy a population Discuss
Correct Answer: large number of organisms over a short time to suppress/destroy a population
- 6. Which of the following is selectively effective against dicot weeds?
Options- A. Cycloheximide
- B. Anisomycin
- C. Herbicidin A and B
- D. Bialaphos Discuss
Correct Answer: Herbicidin A and B
- 7. Which of the following herbicide is known to be effective against perennial shrubs, annual weeds and weeds of rice?
Options- A. Cycloheximide
- B. Anisomycin
- C. Herbicidin
- D. Bialaphos Discuss
Correct Answer: Cycloheximide
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