Waste Water Story
Comprehensive quiz on wastewater treatment, sewage management, water pollution, and sanitation practices covering physical, chemical, and biological processes.
Questions
What does the oil and fat thrown in the drain do?
- It slips down the drain quickly.
- It kills the harmful microbes.
- It cleans the drain.
- It gets hard and blocks the drain.
- None of these
The wastewater treatment involves physical, chemical and biological processes. Which of the following impurities is/are not removed by the physical process?
- Large plastic bags
- Sand
- Pebbles
- Germs
- Cans
Why are eucalyptus trees planted around a sewage pond?
(a) They absorb the surplus waste water.
(b) They neutralise the foul smell.
(c) They hide the dirty pond.
(d) They release good amount of pure water vapour.
- Only (a) and (d)
- Only (b) and (c)
- Only (a) and (b)
- Only (c) and (d)
- All of these
Which of the following types of sewage originates mainly from our kitchen?
- Trade sewage
- Sullage waste
- Foul waste
- Surface waste
- All of the above
Poor people defecate in the open, near river beds causing water pollution. Which of the following water borne diseases can be caused, as water gets polluted?
- Cholera
- Typhoid
- Meningitis
- Hepatitis
- All of the above
Which of the following organisms are used to treat the human excreta in the vermi-processing toilets?
- Pigs
- Earthworms
- Bacteria
- Birds
- None of these
One of the types of sewage disposal is septic tanks. Where can it be used?
- In hospitals
- In railway stations
- In schools
- Where there is no sewage system
- In flats and apartments
After physical process, some solid impurities like faeces present in the waste are removed by a scrapper and is known as sludge. The sludge, thus collected is
(a) thrown away
(b) used as manure
(c) used to produce biogas
(d) used as construction material
- Only (a) and (b)
- Only (b) and (c)
- Only (c) and (d)
- Only (b) and (d)
- Only (a) and (c)
Which of the following is the correct way to contribute in maintaining the sanitation at public places?
- Spit in the corners.
- If there is no dustbin, throw the litter at one place.
- If there is no dustbin, carry the litter home.
- Urinate outside the building.
- Save water when using toilet in a train by not using water while urinating.
At the junction of sewers, when direction is changed, ________ are made.
- septic tanks
- big drains
- joints
- manholes
- new set of sewers
Water, which is said to be waste water, can be saved by which of the following methods?
- Storing it again
- Using it for watering plants
- Removing the pollutants and reusing it
- Injecting it into the ground
- All of the above
Which of the following impurities in the sewage is/are not organic in nature?
- Human faeces
- Urea
- Fruit and vegetable wastes
- Pesticides
- Metals
Which of the following chemical elements helps in cleaning the contaminated water making it fit for drinking?
- Chlorine
- Flourine
- Bromine
- Hydrogen
- None of these
Which of the following represents the transport system of waste water, which is made up of big and small pipes?
- Sewer
- Drain
- Sewerage
- Sewage
- None of these
The bacteria present in the sewage cause which of the following diseases?
(a) Cholera
(b) Jaundice
(c) Dysentery
(d) Typhoid
(e) Diarrhea
- Only (a) and (b)
- Only (b), (c) and (d)
- Only (c) and (e)
- Only (a) and (d)
- Only (a), (c) and (e)