Water Resources

Q. Distribution of water on earth in briefly

Q.

What are bawris and what is their use? What’s its structure and how does it help in conserving water?

Q.

Define freshwater. Mention two sources of freshwater

Q.

Largest amount of freshwater found in

1. Lakes and streams

2. Underground

3. Polar ice and glaciers

4. Rivers

Q. Only 3% of the Earth's water is freshwater.

1. False
2. True

Q. Dams are built inorder to control the flow of natural water bodies.

1. True
2. False

Q.

Define freshwater. Mention two sources of freshwater

Q.

Explain the function of the bar screen in the wastewater treatment plant.

Q.

We can broadly classify water into saline water, frozen water and usable surface water. Which of the following correctly represents their relative amount on the Earth?

1. Frozen water > Usable surface water > Saline water
2. Saline water > Frozen water > Usable surface water
3. Usable surface water > Frozen water > Saline water
4. Saline water > Usable surface water > Frozen water

Q.

Define:

Condensation.

Q.

Rain forms an important part of the water cycle

1. True
2. False

Q. _________ has high content of dissolved salts present in it.

1. River water
2. Seawater
3. Groundwater
4. Surface water

Q. Ice caps and glaciers contain:

1. Saline water
2. Demineralised water
3. Distilled water
4. Fresh water

Q.

Explain infiltration.

Q.

We can broadly classify water into saline water, frozen water and usable surface water. Which of the following correctly represents their relative amount on the Earth?

1. Frozen water > Usable surface water > Saline water
2. Saline water > Frozen water > Usable surface water
3. Usable surface water > Frozen water > Saline water
4. Saline water > Usable surface water > Frozen water