ENVIRONMENTAL PROTECTIO QUIZ

Which of the following/(s) can be used for the reduction of nitrate in waste water?

Growth of Hypomicrobium in presence of added methanol

Micrococcus denitrificans cells encapsulated in liquid membranes

Nitrosomonas europaen

Both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the bacteria is considered for biological leaching?

T. ferrooxidans

Ferrobacillus terrooxidans

all of these

T. thiooxidans

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following accumulates from factory waste?

Thiobacillus

Pseudomonas putida

Zoogloea ramigera

Pseudomonas aeruginosa

TRUE ANSWER : ?
YOUR ANSWER : ?

Milbemycin is known to exhibit a broad spectrum of activity against

agricultural insects

agricultural herbs

agricultural pests

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Pseudomonas putida

Thiobacillus

Pseudomonas aeruginosa

Zoogloea ramigera

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following herbicide is known to be effective against perennial shrubs, annual weeds and weeds of rice?

Herbicidin

Cycloheximide

Bialaphos

Anisomycin

TRUE ANSWER : ?
YOUR ANSWER : ?

The heavily polluted zone of water reservoir is known as

mesosaprophytic zone

none of these

oligosaprophytic zone

pleosaprophytic zone

TRUE ANSWER : ?
YOUR ANSWER : ?

Inundation involves use of a/an

organism over a short time to suppress/destroy a population

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

organism over a long time to suppress/destroy a population

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is selectively effective against dicot weeds?

Cycloheximide

Anisomycin

Herbicidin A and B

Bialaphos

TRUE ANSWER : ?
YOUR ANSWER : ?

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

growth of hypomicrobium in presence of added methanol

Nitrosomonas europaen

Micrococcus denitrificans cells encapsulated in liquid membranes

Both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?