Trickling filter comes under tertiary treatment none of these secondary treatment primary treatment TRUE ANSWER : ? YOUR ANSWER : ?
Activated sludge undergoes Secondary treatment Primary treatment Tertiary treatment any of these TRUE ANSWER : ? YOUR ANSWER : ?
Chemical precipitation of phosphorus is tertiary treatment primary treatment secondary treatment both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
Removal of solids is generally considered as a Secondary treatment Primary treatment Tertiary treatment None of these TRUE ANSWER : ? YOUR ANSWER : ?
Hyphomycete fungi produce nonmotile tetaradiate conidia grow in leaves and the infected leaves are the preferred food source for some aquatic insects None of these both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
The amount of oxygen dissolved in hypolimnion water in the winter is __________ to/than the amount of oxygen dissolved in hypolimnion water in the summer approximately equal to lesser half greater TRUE ANSWER : ? YOUR ANSWER : ?
The sulfur pearl of Namibia, Thiomargarita namibiensis is the worlds largest bacterium Both (a) and (b) stores high concentrations of nitrate in a huge internal vacuole which takes up 98% of the organisms volume is the worlds smallest bacterium TRUE ANSWER : ? YOUR ANSWER : ?
Loss of carbon through the microbial loop in oligotrophic environments is __________ to/than the loss of carbon through the microbial loop in copiotrophic environments. half approximately equal greater lesser TRUE ANSWER : ? YOUR ANSWER : ?
Members of all of the following genera of bacteria typically are found in a maturing Winogradsky column except Clostridium Rhodospirillum Chlorobium Escherichia TRUE ANSWER : ? YOUR ANSWER : ?
The Redfield ratio is an index of concentration of nitrogen, potassium and iron carbon, nitrogen and phosphorous carbon, phosphorous and sulfur carbon, hydrogen and oxygen TRUE ANSWER : ? YOUR ANSWER : ?