Getting Fresh Water

Q. The correct sequence of methods deployed in water treatment process is :

1. sedimentation, screening, filtration, chlorination
2. screening, chlorination, filtration, sedimentation
3. screening, sedimenation, chlorination, filtration
4. filtration, chlorination, screening, sedimentation

Q. Identify the name of the tool shown in the image below:

1. Trowel
2. Spade
3. Hammer
4. Chisel

Q. Name the mechanism that was used by the farmers to fetch the waters.

1. Drip irrigation
2. Spiky doors
3. Fountains
4. Persian wheels

Q.

What are some of the froth stabilizers in the froth floatation process?

Q. Fresh water reaches our home by:

1. Taps
2. Tanks
3. Sumps
4. Buckets

Q.

Any suspended impurities in water can be removed by

1. Sedimentation

2. Decantation

3. Filtration

4. Chlorination

Q.

What is the best water purification method?

Q. A water is used for the transportation of water from one place to another.

1. sump
2. tanker
3. stepwell

Q. The underground storage tank is called a .

1. sump
2. handpump
3. borewell

Q. The underground storage tank is called a .

1. sump
2. handpump
3. borewell

Q. We can use water stored in ______ even in dry season.

1. canals
2. step wells
3. lakes
4. oasis

Q. The following picture shows a:

1. Hand pump
2. Borewell
3. Stepwell
4. Lake

Q. How does rain water results in formation of fresh water?

1. It collects in rivers.
2. It collects in oceans.
3. It seeps into the ground.
4. It cleans the water bodies.

Q. In which parts of sewage treatment plant, the speed of flowing sewage is adjusted such that heavier particles settle down first followed by smaller particles.

1. Filtration tank
2. Chlorination Chamber
3. Grit chamber
4. Sedimentation tank

Q. Groundwater can be extracted using:

1. Borewells
2. Tankers
3. Handpumps
4. Wells

Q. Which of the following is the first step in a wastewater treatment plant?

1. Screening
2. Sedimentation
3. Disinfection
4. Chlorination

Q. Fresh water reaches our home by:

1. Taps
2. Tanks
3. Sumps
4. Buckets

Q. Which one of the following can be used for the conservation of water?

(a) Rainwater harvesting
(b) Deforestation
(c) Agricultural activities
(d) Increasing population

Q. Before releasing the treated water into rivers, it is filtered thorugh ___________.

1. sand
2. air
3. glass
4. chlorine

Q. The underground storage tank is called a .

1. sump
2. handpump
3. borewell

Q.

The process by which we pass the sewage through a barrier and filter out the bigger waste particles is known as

1. Sedimentation

2. Screening

3. Decomposition

4. Centrifugation

Q. In the image given below, kids are extracting water from the _____.

1. tap
2. well
3. canal
4. hand pump

Q. Groundwater cannot be extracted through _______.

1. bucket
2. machine pump
3. hand pump
4. well

Q. Groundwater cannot be extracted through _______.

1. well
2. machine pump
3. bucket
4. hand pump

Q. The various ways of storing and transporting fresh water are:

1. Wells
2. Borewells
3. Canals
4. Sewage tanks
5. Overhead Tanks
6. Storm drains
7. Stepwells
8. Electric Pumps

Q. Choose whether true or false:-
Technology only means big machines

1. True
2. False

Q. The various ways of storing and transporting fresh water are:

1. Wells
2. Borewells
3. Canals
4. Sewage tanks
5. Overhead Tanks
6. Storm drains
7. Stepwells
8. Electric Pumps

Q.

Catch water where it falls is the basic idea behind:

1. recycling of water
2. condensation of water vapour
3. storing water
4. evaporation of water

Q. The various ways of storing and transporting fresh water are:

1. Wells
2. Borewells
3. Canals
4. Sewage tanks
5. Overhead Tanks
6. Storm drains
7. Stepwells
8. Electric Pumps