Exercise Question Answers for Chapter 1- Natural Resources and Their Use for class 8 Subject Social Science ************************************** Questions and Activities: 1. What can make what is today a renewable resource non-renewable tomorrow? Describe some actions that can prevent this from happening. Answer: Overuse of a renewable resource can make it scarce and non-renewable. Pollution can damage natural resources and reduce their ability to renew. Deforestation can reduce the number of trees which take a long time to grow again. Water sources can dry up if used faster than they are refilled. Climate change can affect the natural cycle of renewal. To prevent this, we must use resources wisely, recycle, and protect nature. 2. Name five ecosystem functions that serve humans. Answer: Forests provide clean air by absorbing carbon dioxide. Wetlands purify water by filtering waste. Bees and insects help in pollination for growing crops. Trees ...
Chapter 1 Geographical Diversity of India(Geography) Subject Social Science Class 7 CBSE
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2-Mark Questions:
1. Why is India called a subcontinent?
Answer: 1. It has diverse landforms like mountains, plains, plateaus, deserts, and coasts.
2. It supports varied cultures, climates, and natural resources.
2. Name any two important physical features of India.
Answer:
1. The Himalayas (mountain range).
2. The Northern Plains (fertile agricultural region).
3. What is the importance of the Himalayas to India?
Answer:
1. They protect India from cold winds.
2. They are the source of major rivers.
4. What is a peninsula? Why is India called one?
Answer:
1. A land surrounded by water on three sides.
2. India is bordered by the Arabian Sea, Indian Ocean, and Bay of Bengal.
5. Name any two coastal states of India.
Answer:
Kerala and Tamil Nadu.
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3-Mark Questions
1. Write any three differences between the Western and Eastern Ghats.
Answer:
1. Western Ghats are continuous; Eastern Ghats are broken.
2. Western Ghats are higher in elevation than Eastern Ghats.
3. Western Ghats receive more rainfall than Eastern Ghats.
2. Mention three uses of rivers in India.
Answer:
1. Provide water for irrigation.
2. Support transportation and trade.
3. Help in producing hydroelectric power.
3. Why is the Northern Plain fertile?
Answer:
1. Formed by the deposition of silt by rivers like Ganga and Yamuna.
2. Receives good rainfall.
3. Has flat land suitable for farming.
4. Write any three features of the Thar Desert.
Answer:
1. Very low rainfall and extreme temperatures.
2. Sandy soil with sparse vegetation.
3. Camel is the main means of transport.
5. What are the main island groups of India?
Answer:
1. Andaman and Nicobar Islands in the Bay of Bengal.
2. Lakshadweep Islands in the Arabian Sea.
3. Both are Union Territories of India.
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5-Mark Questions
1. Explain how geography has contributed to India's unity in diversity.
Answer:
1. Rivers connect people and support agriculture across states.
2. Different landforms support different lifestyles and traditions.
3. Festivals are often linked to seasons and crops, celebrated together.
4. Trade and travel routes helped cultural exchange.
5. Natural boundaries like mountains protected Indian civilization.
2. Describe the major physical divisions of India.
Answer:
1. Himalayas in the north (mountains).
2. Northern Plains (fertile and flat).
3. Peninsular Plateau (rocky and rich in minerals).
4. Thar Desert in the west (arid region).
5. Coastal plains and islands (trade and tourism).
3. Why is India called a land of geographical diversity?
Answer:
1. India has all major landforms — mountains, deserts, plains, plateaus, and islands.
2. Climate varies from snowy Himalayas to hot deserts.
3. Rich biodiversity and natural resources.
4. Supports multiple occupations like farming, fishing, mining, etc.
5. Different cultures have developed around geography.
4. Write five facts about the Deccan Plateau.
Answer:
1. Located in southern India.
2. Made of ancient, hard rocks.
3. Rich in minerals like iron and manganese.
4. Red and black soils found here.
5. Rivers cut deep valleys and flow into the sea.
5. What role do mountains play in shaping India’s geography?
Answer:
1. Source of rivers like Ganga and Yamuna.
2. Act as natural barriers against invasions and cold winds.
3. Support tourism and religious pilgrimages.
4. Store snow and regulate climate.
5. Provide forests and medicinal plants.
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