The heavily polluted zone of water reservoir is known as mesosaprophytic zone oligosaprophytic zone pleosaprophytic zone none of these TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following can be used for the removal of color from the effluents of pulp mill? Phanerochaete chrysosporium Coriolus versicolor entrapped in calcium alginate beads Nitrosomonas europaen Both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
The rate of degradation and microbes resistance to toxic pollutants remain better when the individual cell along with metal is used mixed cell population is used mixed cell population along with metals is used individual cell is used TRUE ANSWER : ? YOUR ANSWER : ?
Phenols degradation in waste water of hospitals, laboratories and coal processing to coke can be achieved by using Phanerochaete chrysosporium fungus Aureobasidium pullulans adsorbed by the fibrous asbestos both (a) and (b) cells of Pseudomonas spp. either adsorbed to anthracite coal or entrapped on alginate gel TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following herbicide is known to be effective against perennial shrubs, annual weeds and weeds of rice? Bialaphos Herbicidin Cycloheximide Anisomycin TRUE ANSWER : ? YOUR ANSWER : ?
Inundation involves use of a/an 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 organism over a long time to suppress/destroy a population TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following/(s) can be used for the reduction of nitrate in waste water? Both (a) and (b) Micrococcus denitrificans cells encapsulated in liquid membranes Nitrosomonas europaen Growth of Hypomicrobium in presence of added methanol TRUE ANSWER : ? YOUR ANSWER : ?
Streptomyces griseochromogenes is reported to show a potent curative effect against yellow blight of maize eye spot of sugarcane milo of soybean rice blast disease TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following subgroup/(s) belong/(s) to the Baculo viruses? Granulosis viruses All of these Oryctestypes Nuclear polyhedrosis viruses TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following accumulates from factory waste? Zoogloea ramigera Pseudomonas aeruginosa Pseudomonas putida Thiobacillus TRUE ANSWER : ? YOUR ANSWER : ?