Removal of solids is generally considered as a None of these Primary treatment Secondary treatment Tertiary 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. approximately equal greater half lesser 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 greater approximately equal to half lesser TRUE ANSWER : ? YOUR ANSWER : ?
All of the following species are considered coliforms except Enterobacter aerogenes Escherichia coli Salmonella typhi Klebsiella pneumoniae 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 microbial loop Gibbs free energy Redfield ratio Winogradsky column TRUE ANSWER : ? YOUR ANSWER : ?
The Redfield ratio is an index of concentration of carbon, hydrogen and oxygen carbon, nitrogen and phosphorous nitrogen, potassium and iron carbon, phosphorous and sulfur 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. most probable number MUG membrane filtration Winogradsky TRUE ANSWER : ? YOUR ANSWER : ?
Hyphomycete fungi None of these both (a) and (b) produce nonmotile tetaradiate conidia grow in leaves and the infected leaves are the preferred food source for some aquatic insects TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following species in water reveal the presence of fecal pollution of human or animal origin? E.coli Clostridium perfringens Fecal Streptococci All of these TRUE ANSWER : ? YOUR ANSWER : ?
Chemical precipitation of phosphorus is primary treatment both (a) and (b) tertiary treatment secondary treatment TRUE ANSWER : ? YOUR ANSWER : ?