Q. 'Aerobic' decomposition takes place in

View solution

Q. Temperature affects dillusion, sedimentation and

View solution

Q. Organic matter, which can be decomposed by bacteria is known as

View solution

Q. Soil, silt washing from land surfaces, fertilizers, insecticides are known as

View solution

Q. Chlorides are mineral salts, and cannot be affected by

View solution

Q. Leftover material in secondary treatment is used as

View solution

Q. Which bacteria can flourish and carry out decomposition of organic matter, both in presence and absence of oxygen?

View solution

Q. Settle out portion of 'sewage' is known as

View solution

Q. What are characteristics of 'domestic' wastewater ?

View solution

Q. Acids and alkalies collectively, change 'pH' value of

View solution

Q. Industrial, municipal sewage, treatment plants are examples of

View solution

Q. 'fixed' solids represents

View solution

Q. What compounds form fats and oils ?

View solution

Q. 'Polychlorinated biphenyls' are by products of plastics, lubricants, rubber and

View solution

Q. Microbiological pollutants, cause sickness in humans, known as

View solution

Q. What causes bad odour in waste treatment plant?

View solution

Q. Which organism respire in absence of oxygen ?

View solution

Q. Pesticide pollution is due to 'leachate' from agricultural and

View solution

Q. Human faeces is main source of organism, in

View solution

Q. What does an inorganic compounds contain ?

View solution