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Environmental Protection Online Exam Quiz

Important questions about Environmental Protection. Environmental Protection MCQ questions with answers. Environmental Protection exam questions and answers for students and interviews.

1. Which of the bacteria is considered for biological leaching?

Options

A : T. thiooxidans

B : T. ferrooxidans

C : Ferrobacillus terrooxidans

D : 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

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

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

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

6. Which of the following is selectively effective against dicot weeds?

Options

A : Cycloheximide

B : Anisomycin

C : Herbicidin A and B

D : Bialaphos

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

1. 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

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

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

4. 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

5. Which of the following accumulates from factory waste?

Options

A : Pseudomonas aeruginosa

B : Thiobacillus

C : Pseudomonas putida

D : Zoogloea ramigera

6. 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

7. 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

8. 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

9. 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

10. 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

Which of the following is known to control Colorado potato beetle?

Options

A : a. Beaveria bassiana

B : b. Metarhizium anisopliae

C : c. Verticillium lecauii

D : d. Nomuraea rileyi

Phenols degradation in waste water of hospitals, laboratories and coal processing to coke can be achieved by using

Options

A : a. fungus Aureobasidium pullulans adsorbed by the fibrous asbestos

B : b. cells of Pseudomonas spp. either adsorbed to anthracite coal or entrapped on alginate gel

C : c. both (a) and (b)

D : d. Phanerochaete chrysosporium

Which of the following is the most effective for the rice sheath blight pathogen, Pellicularia sasakii?

Options

A : a. Polyoxin D

B : b. Polyoxin B

C : c. Polyoxin L

D : d. Polyoxin C

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