Which of the following is the least effective irrigation system in terms of conservation of water?
Surface irrigation
Aerial irrigation
Subsurface irrigation
Sprinkler irrigation
Which of the following is the most effective irrigation system in terms of conservation of water?
What is the situation when demand for water for human activities exceeds water resources, called?
Water scarcity
Water crisis
Water saturation
Water stress
Water which is fit for consumption by humans and other animals is called:
Potable water
Green water
Contaminated water
All of the above
Which of the following is the largest source of drinking water on a global scale?
Aquifers
Lakes
Rivers
Backwaters
What is the volume of water used from domestic water sources to produce the goods and services consumed by the inhabitants of the nation called?
Virtual water
Water footprint
Internal water footprint
External water footprint
What is the average yearly precipitation onto the surface of the Earth?
100 cubic kilometers
1,000 cubic kilometers
1,00,000 cubic kilometers
10,00,000 cubic kilometers
Which of the following is affected with human-made physical water scarcity?
Congo river basin
Amazon river basin
Nile river basin
Colorado river basin
Which of the following type of water is unavailable for human use?
Blue water
Grey water
Ground water
Which is the process where pressure is used in desalination?
Evaporation
Reverse Osmosis
Condensation
