Activated sludge undergoes any of these Primary treatment 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 microbial loop Gibbs free energy Winogradsky column 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 approximately equal to greater lesser 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 lesser half TRUE ANSWER : ? YOUR ANSWER : ?
Removal of solids is generally considered as a Primary treatment None of these Tertiary treatment Secondary treatment TRUE ANSWER : ? YOUR ANSWER : ?
The sulfur pearl of Namibia, Thiomargarita namibiensis is the worlds largest bacterium is the worlds smallest bacterium stores high concentrations of nitrate in a huge internal vacuole which takes up 98% of the organisms volume Both (a) and (b) 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; soils low oxygen diffusion environment; lakes high oxygen diffusion environment; lakes low oxygen diffusion environment; soils 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 : ?
Coliforms are used as indicator organisms because they are present wherever enteric pathogens are present a testing procedure with great specificity is easy to perform None of these both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
The rate of flux of oxygen in air is __________ to/than the rate of flux of oxygen in water. approximately equal lesser greater half TRUE ANSWER : ? YOUR ANSWER : ?