Environmental Protection

Which of the following have been used to oxidize ammonia and to prevent algal growth?

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

Answer: D

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Which of the following can be used for the removal of color from the effluents of pulp mill?

A:

Coriolus versicolor entrapped in calcium alginate beads

B:

Phanerochaete chrysosporium

C:

Both (a) and (b)

D:

Nitrosomonas europaen

Answer: C

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Which of the following accumulates from factory waste?

A:

Pseudomonas aeruginosa

B:

Thiobacillus

C:

Pseudomonas putida

D:

Zoogloea ramigera

Answer: D

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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

Answer: D

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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

Answer: A

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Questions for: Environmental Protection