Removal of solids is generally considered as a Tertiary treatment Primary treatment Secondary treatment None of these TRUE ANSWER : ? YOUR ANSWER : ?
The sulfur pearl of Namibia, Thiomargarita namibiensis Both (a) and (b) is the worlds smallest bacterium stores high concentrations of nitrate in a huge internal vacuole which takes up 98% of the organisms volume is the worlds largest bacterium 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 half greater lesser approximately equal to TRUE ANSWER : ? YOUR ANSWER : ?
Chemical precipitation of phosphorus is secondary treatment both (a) and (b) tertiary treatment primary treatment TRUE ANSWER : ? YOUR ANSWER : ?
Activated sludge undergoes any of these Tertiary treatment Secondary treatment Primary treatment 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 Winogradsky column Redfield ratio Gibbs free energy microbial loop TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following species in water reveal the presence of fecal pollution of human or animal origin? Clostridium perfringens All of these E.coli Fecal Streptococci TRUE ANSWER : ? YOUR ANSWER : ?
The Redfield ratio is an index of concentration of carbon, phosphorous and sulfur nitrogen, potassium and iron carbon, hydrogen and oxygen carbon, nitrogen and phosphorous TRUE ANSWER : ? YOUR ANSWER : ?
Because it can be used with a variety of media and allow a resuscitation step the __________ technique has become the common and often preferred method of evaluating the microbiological characteristics of water. Winogradsky MUG most probable number membrane filtration 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. greater half lesser approximately equal TRUE ANSWER : ? YOUR ANSWER : ?