Water Management

Q. Choose the applications of rainwater harvesting.

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

Q. Which of the following uses the most water worldwide?

1. Industry
2. Agriculture
3. Domestic use
4. Water parks

Q.

Which of the following activities may be regarded as wastage of water?

1. Bathing

2. Drinking

3. Washing cars

4. Cooking

Q. The poster below gives out a message on:

1. Issue of sanitation
2. Purity of water
3. Health awareness
4. Conservation of water

Q.

What amount of water has been recommended by the United Nations as the minimum requirement by each person for drinking, washing, cooking and maintaining proper hygiene per day?

1. 20 litres per person per day.

2. 45 litres per person per day.

3. 50 litres per person per day.

4. 25 litres per person per day.

Q.

Which irrigation technique can be effectively used to minimise the amount of water required for agriculture?

1. Canal irrigation

2. Hand pump irrigation

3. Drip irrigation

4. Excessive irrigation

Q.

Regions with scanty rainfall do not need rainwater harvesting.

1. True

2. False

Q.

Which of the following sources of water will lead to infiltration of the water table?

1. Flowing rivers

2. Rainfall

3. Lakes

4. All of these

Q.

Mahibur takes a bath every day, Pallav washes his clothes every alternate day and Anmol has three leaking taps in his house which constantly drip water. Who among the three is responsible for the wastage of water?

1. Pallav

2. Mahibur

3. All three of them are wasting water

4. Anmol

Q.

If the amount of water extracted from the ground is equal to the amount of water which gets naturally infiltrated, will the case of groundwater depletion arise?

1. Yes, groundwater always gets depleted.

2. Yes, groundwater is depleted as it does not depend on rainfall.

3. No, the situation is in balance.

4. No, groundwater always keeps increasing.