Wastewater

Which of the following is not a source of waste water

• Sewers

• Home

• Industries

• Hospitals

Which is the quality of water waste?

• Looks dirty

• Foul smell

• Mixed with lather

• All of these

Why should we plant eucalyptus trees near the sewage?

• Eucalyptus trees should be planted along with sewage ponds

  because these trees absorb all surplus wastewater

  quickly

• Eucalyptus trees should be planted along with sewage ponds

  because they give fresh oxygen so it can purify the water

• Eucalyptus trees should be planted along with sewage ponds

  because these trees purify the dust in water

Tags

NGSS.MS-ESS3-3

Which of the following is/are products of wastewater treatment ?

• Biogas

• Sludge

• Aerator

• Both biogas and sludge

The impurities present in sewage may consist of

• Organic substances

• Inorganic substances

• Nutrients

• All of the above

Which of the following is wastewater ?

• Water trickling from a damaged tap

• Water coming out of a shower

• Water flowing in a river

• Water coming out of laundry

Sewage is mainly a

• liquid waste

• solid waste

• gaseous waste

• mixture of solids and gas

An open-drain system is a breeding place for which of the following .

• Flies

• Mosquitos

• Organisms which cause diseases

• All of these

Tags

NGSS.MS-LS2-1

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 plan

Which of the following is a part of inorganic impurities of the sewage ?

• Pesticides

• Urea

• Phospates

• Vegetable waste