ENVIRONMENTAL PROTECTIO QUIZ

Inundation involves use of a/an

organism over a long time to suppress/destroy a population

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

organism over a short time to suppress/destroy a population

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

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Polyoxin D

Polyoxin C

Polyoxin B

Polyoxin L

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Anisomycin

Herbicidin

Cycloheximide

Bialaphos

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Micrococcus denitrificans cells encapsulated in liquid membranes

Growth of Hypomicrobium in presence of added methanol

Both (a) and (b)

Nitrosomonas europaen

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Both (a) and (b)

Phanerochaete chrysosporium

Coriolus versicolor entrapped in calcium alginate beads

Nitrosomonas europaen

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Nomuraea rileyi

Beaveria bassiana

Metarhizium anisopliae

Verticillium lecauii

TRUE ANSWER : ?
YOUR ANSWER : ?

Streptomyces griseochromogenes is reported to show a potent curative effect against

yellow blight of maize

eye spot of sugarcane

rice blast disease

milo of soybean

TRUE ANSWER : ?
YOUR ANSWER : ?

Milbemycin is known to exhibit a broad spectrum of activity against

agricultural insects

agricultural pests

all of these

agricultural herbs

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

Both (a) and (b)

Micrococcus denitrificans cells encapsulated in liquid membranes

Nitrosomonas europaen

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is selectively effective against dicot weeds?

Bialaphos

Herbicidin A and B

Anisomycin

Cycloheximide

TRUE ANSWER : ?
YOUR ANSWER : ?

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