Same chapter3 marksDifficulty: Medium
State three sources of irrigation in India and one advantage of each.
Water Resources
3 marksDifficulty: Medium
Distinguish between surface water and groundwater and state one advantage of each.
Original Khojo Papers practice question — not from a past board paper.
Answer
Surface water is the water in rivers, lakes, tanks and reservoirs; it is easily seen and measured and can be moved through canals to a large area. Groundwater is the water stored in the pores of rock below the surface; it is available where surface water is not, is less liable to evaporate and needs no large dam.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Groundwater is being drawn faster than it is recharged in much of northern India.
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