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- 1. Multiple Choice
What is a sewage treatment plant?
The place where water is cleaned, filtered and tested before re-entering the water cycle.
The place where water is cleaned, filtered and tested before going to our houses.
The network of pipes that carry sewage (dirty water) from our houses.
The place where water is bottled for drinking.
- 2. Multiple Choice
What type of living things eat the organic matter in the sewage?
Plants
Animals
Bacteria
Fungi
- 3. Multiple Choice
Sewage is mainly a
liquid waste.
solid waste.
gaseous waste.
mixture of solid and gas.
- 4. Multiple Choice
Which of the following is/are products of wastewater treatment?
Biogas
Sludge
Aerator
Both biogas and sludge
- 5. Multiple Choice
An open-drain system is a breeding place for which of the following.
Flies
Mosquitoes
Organisms which cause diseases
All of these
- 6. Multiple Choice
The system of a network of pipes used for taking away wastewater from homes or public buildings to the treatment plant is known as
sewers
sewerage
transport system.
treatment plant.
- 7. Fill in the Blank
Where underground sewerage systems and refuse disposal systems are not available, the high-cost on-site sanitation system can be adopted.
- 8. Multiple Choice
The biogas product is used as a source of ___________.
Rains
Energy
Oils
All of these
- 9. Multiple Choice
What decomposes the sludge ______________.
Anaerobic Bacteria
Aerobic Bateria
Both of the above
None of these
- 10. Multiple ChoiceWhich of the following is a characteristic of freshwater?It can be safe for humans to drinkOceans are made out of itIt contains saltThings float easier
- 11. Multiple Choice
We should not throw cooking oil and paint down the drain because
they break the pipe
they harden and clog the pipe
they flow through the drain freely
None of these
- 12. Multiple Choice
Which of the following is a good practice be followed?
Cooking oil and paint should not be thrown down a drain.
Used tea leaves, solid food and cotton should not be thrown in the drain.
Chemicals like insecticides should not throw in the drain.
All of the above
- 13. Multiple Choice
Waste water from toilets is often referred to as-
grey water
black water
sludge
effluent
- 14. Multiple Choice
In which step solid waste is removed using screens in waste water treatment.
Primary treatment
Secondary treatment
Tertiary treatment
- 15. Multiple Choice
Water polluted by various human activities causes a number of water-borne diseases. Which of the following is not a waterborne disease?
Cholera
Typhoid
Asthma
Dysentry
- 16. Multiple Choice
Wastewater released by houses is called_______________.
Sludge
Sewage
Wastewater
None of these
- 17. Multiple Choice
In the year_________ the Government of India has initiated a new mission known as (swachh Bharat)
2016
2015
2014
2017
2011
- 18. Multiple Choice
Clean water is used for
Drinking
Cooking
Both
- 19. Fill in the Blank
Full form of WWTP
- 20. Multiple Choice
A word related to hygiene
Sanitation
Sanitization
Chlorination
None of these
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