ENVIRONMENTAL PROTECTIO QUIZ

Inundation involves use of a/an

large number of organisms over a long time to suppress/destroy a population

organism over a long time to suppress/destroy a population

large number of organisms over a short time to suppress/destroy a population

organism over a short time to suppress/destroy a population

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following accumulates from factory waste?

Thiobacillus

Pseudomonas putida

Zoogloea ramigera

Pseudomonas aeruginosa

TRUE ANSWER : ?
YOUR ANSWER : ?

The heavily polluted zone of water reservoir is known as

none of these

oligosaprophytic zone

pleosaprophytic zone

mesosaprophytic zone

TRUE ANSWER : ?
YOUR ANSWER : ?

Streptomyces griseochromogenes is reported to show a potent curative effect against

eye spot of sugarcane

rice blast disease

yellow blight of maize

milo of soybean

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Metarhizium anisopliae

Verticillium lecauii

Nomuraea rileyi

Beaveria bassiana

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following subgroup/(s) belong/(s) to the Baculo viruses?

Granulosis viruses

Nuclear polyhedrosis viruses

All of these

Oryctestypes

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Both (a) and (b)

growth of hypomicrobium in presence of added methanol

Micrococcus denitrificans cells encapsulated in liquid membranes

Nitrosomonas europaen

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Polyoxin L

Polyoxin C

Polyoxin D

Polyoxin B

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following microorganisms leach metals out of rock ores and can accumulate silver?

Pseudomonas aeruginosa

Pseudomonas putida

Zoogloea ramigera

Thiobacillus

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is selectively effective against dicot weeds?

Anisomycin

Cycloheximide

Bialaphos

Herbicidin A and B

TRUE ANSWER : ?
YOUR ANSWER : ?

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