Environmental Protection – Section 1


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

A. Beauveria bassiana
B. Metarhizium anisopliae
C. Verticillium lecauii
D. Nomuraea rileyi

Correct Answer: A. Beaveria bassiana
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12. Phenols degradation in the wastewater of hospitals, laboratories and coal processing to the coke can be achieved by using

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

Correct Answer: C. both (a) and (b)
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13. Which of the following is the most effective for the rice sheath blight pathogen, Pellicularia sasakii?

A. Polyoxin D
B. Polyoxin B
C. Polyoxin L
D. Polyoxin C

Correct Answer: A. Polyoxin D
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14. Which of the following subgroup/(s) belong/(s) to the Baculo viruses?

A. Nuclear polyhedrosis viruses
B. Granulosis viruses
C. Oryctestypes
D. All of these

Correct Answer: D. All of these
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15. Which of the following accumulates from factory waste?

A. Pseudomonas aeruginosa
B. Thiobacillus
C. Pseudomonas putida
D. Zoogloea ramigera

Correct Answer: D. Zoogloea ramigera
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