Removal of solids is generally considered as a Tertiary treatment Primary treatment Secondary treatment None 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; soils low oxygen diffusion environment; lakes high oxygen diffusion environment; lakes high oxygen diffusion environment; soils TRUE ANSWER : ? YOUR ANSWER : ?
Trickling filter comes under primary treatment tertiary treatment secondary treatment none of these 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 membrane filtration MUG Winogradsky TRUE ANSWER : ? YOUR ANSWER : ?
Members of all of the following genera of bacteria typically are found in a maturing Winogradsky column except Rhodospirillum Chlorobium Clostridium Escherichia TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following species in water reveal the presence of fecal pollution of human or animal origin? All of these E.coli Clostridium perfringens Fecal Streptococci 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 greater half approximately equal to 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. greater approximately equal half lesser 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 half greater lesser TRUE ANSWER : ? YOUR ANSWER : ?
Hyphomycete fungi None of these produce nonmotile tetaradiate conidia grow in leaves and the infected leaves are the preferred food source for some aquatic insects both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?