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 : ?
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 Winogradsky most probable number membrane filtration TRUE ANSWER : ? YOUR ANSWER : ?
Chemical precipitation of phosphorus is primary treatment both (a) and (b) tertiary treatment secondary 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 Redfield ratio Winogradsky column Gibbs free energy microbial loop TRUE ANSWER : ? YOUR ANSWER : ?
The rate of flux of oxygen in air is __________ to/than the rate of flux of oxygen in water. lesser greater half approximately equal TRUE ANSWER : ? YOUR ANSWER : ?
The Redfield ratio is an index of concentration of nitrogen, potassium and iron carbon, hydrogen and oxygen carbon, nitrogen and phosphorous carbon, phosphorous and sulfur TRUE ANSWER : ? YOUR ANSWER : ?
Hyphomycete fungi grow in leaves and the infected leaves are the preferred food source for some aquatic insects None of these both (a) and (b) produce nonmotile tetaradiate conidia TRUE ANSWER : ? YOUR ANSWER : ?
Trickling filter comes under secondary treatment primary treatment tertiary treatment none of these TRUE ANSWER : ? YOUR ANSWER : ?
The sulfur pearl of Namibia, Thiomargarita namibiensis is the worlds largest bacterium Both (a) and (b) 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. approximately equal lesser half greater TRUE ANSWER : ? YOUR ANSWER : ?