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Waste Water Story - 1

Tests knowledge of sewage composition, wastewater treatment processes, water-borne diseases, and disposal methods

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following components help(s) in the growth of aerobic bacteria in the clarified water?

  1. Air
  2. Soil and sand
  3. Nitrates and metals
  4. Phosphates
Question 2 Multiple Choice (Single Answer)

Open drainage system is a breeding place for which type of disease causing organisms?

  1. Flies and mosquitoes
  2. Stray dogs
  3. Birds and frogs
  4. Beetles and spiders
Question 3 Multiple Choice (Single Answer)

Which type of vegetation is found along sewage ponds?

  1. Eucalyptus trees
  2. Pines and deodar
  3. Bamboo trees
  4. Teak and sal trees
Question 4 Multiple Choice (Single Answer)

“Hepatitis, polio and cholera “are which type of diseases?

  1. Diseases caused by flies
  2. Viral diseases
  3. Water borne diseases
  4. Fungal diseases
Question 5 Multiple Choice (Single Answer)

Which type of disposal system is used in isolated building and hospitals?

  1. Compositing pits
  2. Septic tanks
  3. Covered drains
  4. Chemical toilets
Question 6 Multiple Choice (Single Answer)

What is produced during treatment of waste water which is used as a source of energy?

  1. LPG
  2. Sludge
  3. Clarified water
  4. Biogas
Question 7 Multiple Choice (Single Answer)

What is sewage?

  1. Animal and plant wastes
  2. Human faecal wastes mixed with waste water
  3. Gaseous waste from the industries
  4. Non – biodegradable waste
Question 8 Multiple Choice (Single Answer)

What is the inorganic impurity in the waste water?

  1. Urea
  2. Oil
  3. Herbicides
  4. Metals
Question 9 Multiple Choice (Single Answer)

Which one of the following diseases is caused by bacteria?

  1. Malaria
  2. Dengue
  3. Hepatitis
  4. Dysentery
Question 10 Multiple Choice (Single Answer)

Which instrument removes rags, cans, plastics packets from the waste water?

  1. Aerator
  2. Skimmer
  3. Bar screen
  4. Grit
Question 11 Multiple Choice (Single Answer)

Which instrument in treatment plant remove solid waste like faeces from waste water?

  1. Grit
  2. Bar screen
  3. Clarifier
  4. Aerator
Question 12 Multiple Choice (Single Answer)

All of the following are inorganic impurities present in waste water, except

  1. fruit and vegetable waste
  2. nitrates
  3. phosphates
  4. metals
Question 13 Multiple Choice (Single Answer)

Which type of sewage is produced by kitchen activities?

  1. Sullage water
  2. Trade waste
  3. Foul waste
  4. Solid and inorganic waste
Question 14 Multiple Choice (Single Answer)

A city’s sewage was disposed into a water body. It was noticed that the aquatic animals in the body started dying. What effect of sewage led to the death of aquatic life?

  1. Utilisation of oxygen from water body
  2. Utilisation of CO2 from water
  3. Increasing temperature of water body
  4. Increasing metal content in water body
Question 15 Multiple Choice (Single Answer)

Match the following.
1. Oil and Fats A. Prevent free flow of oxygen
2. Paints and solvents B. Kill water purifying microbes
3. Solid food remains C. Block pipes and clog soil pores
  1. 1 – B, 2 – C, 3 – A
  2. 1 – C, 2 – A, 3 – B
  3. 1 – C, 2 – B, 3 – A
  4. 1 – B, 2 – A, 3 – C
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