Water Resources
Q) What percentage of the world's surface area does India account for?
Answer: 2.45%
Q) What percentage of the world's water resources does India have?
Answer: 4%
Q) What is the total utilisable water resource in India?
Answer: 1,122 cubic km
Q) What are the four main sources of surface water in India?
Answer: Rivers, lakes, ponds, and tanks
Q) What is the average annual flow of all the river basins in India?
Answer: 1,869 cubic km
Q) What percentage of water is used for agriculture in India?
Answer: 89% (surface water) and 92% (groundwater)
Q) What are the two most polluted rivers in India?
Answer: The Ganga and the Yamuna
Q) What are the three main causes of water pollution in India?
Answer: Micro-organisms, chemicals, and industrial, agricultural, and domestic effluents
Q) What is the main reason for water scarcity in India?
Answer: Increasing demand due to population growth
Q) What is one method of water conservation in India?
Answer: Rainwater harvesting
Q) What is the purpose of watershed development?
Answer: To conserve surface and groundwater resources
Q) What is the name of a government program that aims to enable rural population to conserve water?
Answer: Haryali
Q) What is one benefit of rainwater harvesting?
Answer: It increases water availability
Q) What is another name for a covered underground tank used for rainwater harvesting in Rajasthan?
Answer: Tanka
Q) What is the name of a program in Andhra Pradesh that promotes rainwater harvesting?
Answer: Neeru-Meeru (Water and You)
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