Management of Wastewater and Sources of Water Pollution

What is Vermicast?

• Animal Feces

• Green Manure

• Worm Manure

• None of these

How much stages does the Wastewater Treatment Plant goes through?

• One

• Two

• Three

• Four

Give your own answer for this.

What is Wastewater Management?

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Who developed a innovative technique to make the sewage water drinkable?

• Dr. Pergamon Galen

• Dr. Rajah Vijay Kumar

• Dr. Christiaan Bernard

• Dr. Andrea Vesalio

PVC is the short form of Polyvinyl ___________

When were the drainage systems located in the streets of Mohenjo-Daro?

• 2000 to 500 BCE

• 3000 to 2000 BCE

• 1840s

• None of these

The impurities present in wastewater is called?

• Pollutants

• Contaminants

• None of these

In 1840s, which 2 countries designed new sewer systems?

• Germany & America

• Norway & Canada

• Australia & New Zealand

• None of these

Which of these statements are correct?

• Gas produced to by landfill is used again for perfumes.

• Landfill mostly involves composition of Nitrogen & Hydrogen.

• Sludge is rich is organic matter.

• Septic tank is a big tank made of metal.

In the secondary treatment of wastewater treatment plant, organic waste is ____________ decomposed.

• Physically

• Biologically

• Chemically

• None of these