Water Conservation

Q.

What is water conservation? Enlist some methods to conserve water. [3 MARKS]

Q.

Is sea and ocean water acidic

Q. There are ten tubewells in a lane of fifty houses. What could be the long term impact on the water table?​

Q.

Mention three ways in which we can conserve water.

Q. _____ percentage of the Earth's surface is covered by water.

1. Seventy one
2. Fourty three
3. Fifty five
4. Ninety seven

Q. facilitates groundwater recharge.

1. Percolation tank
2. Septic tank
3. Bore well

Q. In towns and cities, generally, bore wells have to be dug very deep to get water as compared to bore wells dug in villages. Give suitable reasons

Q. Salt water is fit for cooking and drinking purposes.

1. True
2. False

Q.

Using biodegradable fertilizers and pesticides is a recommended water management practice. State if the statement is True/False.

1. True

2. False

Q. Which among the following are used to conserve water?

1. Septic tank
2. Percolation tank
3. Check dams
4. Contour trench

Q. How does planting trees help groundwater conservation?

Q. Neeraja’s village is facing scarcity of groundwater so she's unable to cultivate her land. However, the weather forecast showed chances of good rainfall. Which among the following crops should she choose?

1. Jowar
2. Red gram
3. Horse gram
4. Maize

Q.

How to conserve water from wasting

Q.

An interceptor is used to divert the flow of wastewater away from

1. Rivers

2. Homes

3. Farms

4. Cities

Q. How the two drainage can be categorized?

Q. Which among the following are used to conserve water?

1. Septic tank
2. Percolation tank
3. Check dams
4. Contour trench

Q. What are some of the household practices that you can follow to save water?

Q.

What steps can be taken to conserve groundwater?

Q. Using less water and preventing water from getting polluted is called ___________ of water.

Q.

Which of the following are uses of chlorine?

1. Bleaching Powder

2. Water Treatment

3. Polymer Industries

4. All of these

Q. Pollution due to sewage can be reduced by

1. Both A and B.
2. Constructing septic tanks.
3. Creating separate chemical toilets.
4. Letting off drainage in rivers.

Q. What effect does construction of buildings and roads have on water percolation through the soil? Hence what effect would this have on the water table?

Q. Water table rises if the amount of infiltration is the amount of ground water used.

1. greater than
2. less than
3. equal to