Removal of solids is generally considered as a Secondary treatment Tertiary treatment None of these Primary treatment 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 : ?
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. Winogradsky membrane filtration most probable number MUG TRUE ANSWER : ? YOUR ANSWER : ?
Activated sludge undergoes Primary treatment Secondary treatment any of these Tertiary 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 Gibbs free energy microbial loop Winogradsky column Redfield ratio 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 half greater approximately equal TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following species in water reveal the presence of fecal pollution of human or animal origin? Clostridium perfringens E.coli Fecal Streptococci All of these 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. low oxygen diffusion environment; lakes low oxygen diffusion environment; soils high oxygen diffusion environment; soils high oxygen diffusion environment; lakes 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 lesser approximately equal to greater half TRUE ANSWER : ? YOUR ANSWER : ?
Trickling filter comes under secondary treatment none of these tertiary treatment primary treatment TRUE ANSWER : ? YOUR ANSWER : ?