India: Water Resources — Flashcards
Gujarat Board · Class 10 · Social Science
24 flashcards for India: Water Resources (Gujarat Board Class 10 Social Science) to test yourself on key terms and facts.
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What are the three main sources of water on Earth?
Answer
The three main sources of water are: 1. Rain water - the original source of all water on Earth 2. Surface water - water found on Earth's surface in rivers, lakes, ponds, seas, and streams 3. Ground wa…
Define ground water and explain its importance in India.
Answer
Ground water is water that has been absorbed by the lower strata of land through percolation. It is obtained from wells and tube wells. In India: - Northern plains have about 42% ground water - Southe…
What percentage of water in India is used for irrigation, and give an example of water requirement for crops?
Answer
About 84% of water in India is used for irrigation. Example: About 1500 liters of water is required to produce 1 kg of wheat. Crops like paddy, jute, and sugarcane require even more water than wheat.
Name the three mediums of irrigation in India and identify which is most common.
Answer
The three mediums of irrigation in India are: 1. Wells and tube wells (most common) 2. Canals (second most common) 3. Ponds (third most common) Wells and tube wells are very common in alluvial plains…
What is a multi-purpose project? List any three purposes it serves.
Answer
A multi-purpose project is planned to solve various problems associated with river valleys using one water resource system. Three purposes include: 1. Flood control 2. Generation of electricity 3. Wat…
Which river and states benefit from the Bhakhra-Nangal project?
Answer
The Bhakhra-Nangal project is built on the Satluj River and benefits three states: 1. Punjab 2. Haryana 3. Rajasthan This is one of India's major multi-purpose projects.
Name the multi-purpose project on river Narmada and the states it benefits.
Answer
The Narmada Valley Project (also called Sardar Sarovar Project) is built on the Narmada River. It benefits four states: 1. Madhya Pradesh 2. Gujarat 3. Rajasthan 4. Maharashtra…
What percentage of net sown area in India is under irrigation, and how has it changed since Independence?
Answer
About 38% of net sown area in India is under irrigation. Since Independence, the irrigated area in India has increased four times, showing significant progress in irrigation infrastructure development…
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