Water Conservation

Q. What percentage of Earth’s water is considered as freshwater?

1. 
2. 
3. 
4. 

Q. Which of the following are ways to reduce water pollution?

1. Treat sewage
2. Less fertilizers
3. Ban CFCs
4. Plant trees
5. Depopulation
6. Scrubbers
7. Crop rotation
8. Silt fence

Q. Sambhar Lake is found in

1. Gujarat
2. Andhra Pradesh
3. Madhya Pradesh
4. Rajasthan
5. Kashmir

Q. Which of the following is the most effective method of water conservation?

1. Rainwater harvesting
2. Building dams
3. Using integrated pest management system in agriculture
4. Treating water in the industries before draining it into water bodies

Q.

1. Write a note on water conservation.

Q. Rainwater harvesting increaseslevels.

1. groundwater
2. ocean
3. river
4. lakes

Q. What percentage of Earth’s water is considered as freshwater?

1. $10\%$
2. $2.5\%$
3. $5\%$
4. $27\%$

Q.

The percentage of total water found as freshwater.

Q. Which of the following is the most effective method of water conservation?

1. Rain water harvesting
2. Building Dams
3. Using integrated pest management system in agriculture
4. Treating water in the industries before draining it into water body

Q. What percentage of freshwater present on Earth is not available for human use?

1. 10%
2. 79%
3. 99%
4. 50%

Q. Which of the following measured do you take to conserve water?

1. Washing utensils in a pond
2. Using detergents to wash clothes
3. Disposing idols painted with artificial colours in a pond
4. Using water after washing vegetables for plants

Q. What percentage of freshwater present on Earth is not available for human use?

1. 10%
2. 79%
3. 99%
4. 50%

Q. Percolation tank is the storage of water for

1. Domestic pupose
2. Industrial use
3. Irrigation
4. Both A and C

Q. Ahars, Kattas, Bhundhis and Khadins are the modes of:​ ​

1. cold storage​
2. grain storage​
3. soil conservation​
4. water harvesting​