The rate of flux of oxygen in air is __________ to/than the rate of flux of oxygen in water. lesser greater approximately equal half TRUE ANSWER : ? YOUR ANSWER : ?
The sulfur pearl of Namibia, Thiomargarita namibiensis is the worlds largest bacterium 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 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. high oxygen diffusion environment; lakes high oxygen diffusion environment; soils low oxygen diffusion environment; soils low oxygen diffusion environment; lakes 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 Winogradsky column Redfield ratio 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. MUG membrane filtration Winogradsky most probable number TRUE ANSWER : ? YOUR ANSWER : ?
Members of all of the following genera of bacteria typically are found in a maturing Winogradsky column except Chlorobium Escherichia Clostridium Rhodospirillum TRUE ANSWER : ? YOUR ANSWER : ?
All of the following species are considered coliforms except Salmonella typhi Klebsiella pneumoniae Enterobacter aerogenes Escherichia coli TRUE ANSWER : ? YOUR ANSWER : ?
Hyphomycete fungi produce nonmotile tetaradiate conidia both (a) and (b) None of these grow in leaves and the infected leaves are the preferred food source for some aquatic insects 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. lesser approximately equal greater half TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following species in water reveal the presence of fecal pollution of human or animal origin? Fecal Streptococci Clostridium perfringens All of these E.coli TRUE ANSWER : ? YOUR ANSWER : ?