Removal of solids is generally considered as a Primary treatment Tertiary treatment None of these Secondary treatment TRUE ANSWER : ? YOUR ANSWER : ?
Chemical precipitation of phosphorus is secondary treatment both (a) and (b) tertiary treatment primary treatment 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 lesser greater TRUE ANSWER : ? YOUR ANSWER : ?
The Redfield ratio is an index of concentration of carbon, phosphorous and sulfur nitrogen, potassium and iron carbon, nitrogen and phosphorous carbon, hydrogen and oxygen TRUE ANSWER : ? YOUR ANSWER : ?
Coliforms are used as indicator organisms because they are present wherever enteric pathogens are present None of these a testing procedure with great specificity is easy to perform both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
Activated sludge undergoes Secondary treatment any of these Tertiary treatment Primary treatment 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 greater lesser half TRUE ANSWER : ? YOUR ANSWER : ?
Metabolism of dissolved organic material released by phytoplankton allows heterotrophic bacteria to become part of the particulate organic matter that is passed up the food web to be metabolized and released as mineral elements and CO2 at each transfer. This sentence describes the Gibbs free energy microbial loop Redfield ratio Winogradsky column TRUE ANSWER : ? YOUR ANSWER : ?
__________ is an environment like __________ where microorganisms are functioning in an extremely thin film of water and where oxygen-containing air is close to them. low oxygen diffusion environment; lakes high oxygen diffusion environment; lakes low oxygen diffusion environment; soils high oxygen diffusion environment; soils TRUE ANSWER : ? YOUR ANSWER : ?
The rate of flux of oxygen in air is __________ to/than the rate of flux of oxygen in water. half greater lesser approximately equal TRUE ANSWER : ? YOUR ANSWER : ?