ENVIRONMENTAL PROTECTIO QUIZ

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

Polyoxin B

Polyoxin D

Polyoxin L

Polyoxin C

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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 : ?

The rate of degradation and microbes resistance to toxic pollutants remain better when the

mixed cell population along with metals is used

individual cell along with metal is used

individual cell is used

mixed cell population is used

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Herbicidin

Bialaphos

Anisomycin

Cycloheximide

TRUE ANSWER : ?
YOUR ANSWER : ?

Milbemycin is known to exhibit a broad spectrum of activity against

agricultural pests

agricultural insects

agricultural herbs

all of these

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

Nitrosomonas europaen

Micrococcus denitrificans cells encapsulated in liquid membranes

TRUE ANSWER : ?
YOUR ANSWER : ?

The heavily polluted zone of water reservoir is known as

none of these

pleosaprophytic zone

mesosaprophytic zone

oligosaprophytic zone

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Nitrosomonas europaen

Coriolus versicolor entrapped in calcium alginate beads

Phanerochaete chrysosporium

Both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is selectively effective against dicot weeds?

Anisomycin

Herbicidin A and B

Bialaphos

Cycloheximide

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 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

TRUE ANSWER : ?
YOUR ANSWER : ?