Water Pollution

Water Pollution
Microbiological pollutants, cause sickness in humans, known as
Pathogenic organism
Decomposers
Eutrophication
All of above
Author: rikazzz Comment
Water Pollution
What are hazardous traits ?
Ignitability
Corrosivity
Toxicity
All of above
Author: rikazzz Comment
Water Pollution
Which bacteria can flourish and carry out decomposition of organic matter, both in presence and absence of oxygen?
Facultative Bacteria
Aerobic Bacteria
Anaerobic Bacteria
Blue green algae
Author: rikazzz Comment
Water Pollution
BOD, which is not oxidized biologically is known as
Biologically Degradable
Biologically Inactive
Biologically Active
Bioactive
Author: rikazzz Comment
Water Pollution
Which microorganism is responsible for cholera, typhoid, dysentery?
Bacteria
Virus
Fungi
Protozoa
Author: rikazzz Comment
Water Pollution
Solubility of oxygen in water is inversely proportional to
Pressure
Temperature
Carbon dioxide
Oxygen
Author: rikazzz Comment
Water Pollution
What compounds form fats and oils ?
Carboxylic acids +Alcohol
Carbon Compounds +water
Carbon Dioxide + Alcohol
Carbon Monoxide +Alcohol
Author: rikazzz Comment
Water Pollution
Secondary treatment reduces BOD, ranges from
20-50%
40-70%
70-80%
70-95%
Author: rikazzz Comment
Water Pollution
What does an inorganic compounds contain ?
Sodium Chloride
Nutrients
Oil
Fats
Author: rikazzz Comment
Water Pollution
‘turbidity’ increases as long as sewage becomes
Weak
Strong
Wide
High
Author: rikazzz Comment

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