Chemical precipitation of phosphorus is tertiary treatment both (a) and (b) secondary treatment primary treatment 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 Winogradsky membrane filtration TRUE ANSWER : ? YOUR ANSWER : ?
The sulfur pearl of Namibia, Thiomargarita namibiensis Both (a) and (b) is the worlds largest bacterium 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. greater approximately equal lesser half TRUE ANSWER : ? YOUR ANSWER : ?
The rate of flux of oxygen in air is __________ to/than the rate of flux of oxygen in water. lesser approximately equal greater 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 microbial loop Redfield ratio Winogradsky column Gibbs free energy 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 both (a) and (b) None of these TRUE ANSWER : ? YOUR ANSWER : ?
Members of all of the following genera of bacteria typically are found in a maturing Winogradsky column except Clostridium Escherichia Rhodospirillum Chlorobium TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following species in water reveal the presence of fecal pollution of human or animal origin? Clostridium perfringens Fecal Streptococci E.coli All of these TRUE ANSWER : ? YOUR ANSWER : ?
All of the following species are considered coliforms except Enterobacter aerogenes Klebsiella pneumoniae Salmonella typhi Escherichia coli TRUE ANSWER : ? YOUR ANSWER : ?