Waste Water

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

• Biogas

• Sludge

• Aerator

• Both biogas and sludge

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.

Tags

NGSS.MS-ESS2-4

What type of living things eat the organic matter in the sewage?

• Plants

• Animals

• Bacteria

• Fungi

Tags

NGSS.MS-LS2-3

Sewage is mainly a

• liquid waste.

• solid waste.

• gaseous waste.

• mixture of solid and gas.

This is the part where solid wastes are allowed to settle down and light floatable wastes rise

• Grit Chamber

• Sedimentation Tank

• Aeration Tank

• None of These

Sewage in large cities is known as

• Corporation wastewater

• Municipal wastewater

• Rural wastewater

• Urban wastewater

Tags

NGSS.MS-ESS3-4

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

• Flies

• Mosquitoes

• Organisms which cause diseases

• All of these

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.

Tags

NGSS.MS-ETS1-2

What decomposes the sludge ______________.

• Anaerobic Bacteria

• Aerobic Bateria

• Both of the above

• None of these

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