Rainwater Harvesting

Q.

2. Write three measures to conserve water.

Q.

(i) What is meant by conservation of water? Suggest three methods to conserve water.

(ii) What is rainwater harvesting? Describe the method of rainwater harvesting.

Q.

Which of the following are the causes of flood?

1. Melting of glaciers
2. Heavy rainfall
3. Afforestation
4. Breakdown of dams

Q.

Why is there a need to conserve water? State the methods that can be adopted to conserve water.

Q. Write down activities shown in this figure in which water is being used.

Q.

Rainwater harvesting can be done to

1. to conserve rainwater for different uses

2. to grow crops without irrigation

3. to increase groundwater level

4. to prevent pollution of water bodies

Q.

What are wise water habits?

Q.

Question 4

Differentiate between surface water and groundwater.

Q. What do you understand by rain water harvesting? Why is it important?

Q. What do you understand by rain water harvesting? Why is it important?

Q. How can we save the level of groundwater from depleting further?

1. Deforestation
2. Construction of buildings
3. Industrialisation
4. Rainwater harvesting

Q. Which amongst the following can happen due to excessive rainfall?

1. Cyclone
2. Flood
3. Earthquake
4. Drought

Q. Choose the applications of rainwater harvesting.

1. Conservation of water
2. Alternate source of energy
3. Improvement of groundwater level
4. Prevention of pollution

Q.

Rainwater harvesting can be done:

1. to conserve rainwater for different uses

2. to grow crops without irrigation

3. to increase groundwater level

4. to prevent pollution of water bodies

Q. Which of the following is the best method to save water?

1. Collect rainwater
2. Wash car
3. Do laundry multiple times
4. Use shower while bathing

Q. Birds and other animals are found near water bodies for:

1. Water
2. Food
3. Oxygen
4. Shelter

Q. Statement 1: Rainwater harvesting is the technique of collecting rainwater and storing it for future use.

Statement 2: Rooftop rainwater harvesting is an effective water conservation technique that can be followed in every household.

1. Both the statements are false.
2. Statement 1 is false, Statement 2 is true.
3. Statement 1 is true, Statement 2 is false.
4. Both the statements are true.

Q.

Question 4

Differentiate between surface water and groundwater.

Q.

(i) What is meant by conservation of water? Suggest three methods to conserve water.

(ii) What is rainwater harvesting? Describe the method of rainwater harvesting.