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NCERT 9th Class (CBSE) Social Science: Physical Features of India

Hill Station

Question: The Explain the ‘Theory of plate Tectonics’. Answer: According to this theory, the crust or the upper part of the earth has been formed out of seven major and some minor plates. Question: What is the difference between convergent boundary and divergent boundary? Answer: Convergent boundary is formed when …

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NCERT 8th Class (CBSE) Science: Pollution of Water and Air – Quiz

Pollution

NCERT 8th Class (CBSE) Science: Pollution of Water and Air – Quiz 23 Multiple Choice Questions related to NCERT 8th Class (CBSE) Science: Pollution of Water and Air – Quiz: Water is renewed continuously in nature through the water cycle. Water containing harmful impurities is said to be polluted. Pollution occurs …

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NCERT 9th Class (CBSE) Social Science: Socialism in Europe and the Russian Revolution

Russian Revolution

Question: Who were the ‘radicals’? Answer: The radicals believed in drastic change of society. A society based on majority rule and was in favor of women’s suffragette. They were opposed to privileges of landowners and wealthy factory owners. They disliked concentration of property in few hands. Question: What differentiated the ‘liberals’ …

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NCERT 9th Class (CBSE) Social Science: The French Revolution

The French Revolution

Question: Mention the importance of the following dates: (i) 1774 (ii) 1789 (iii) 1791 (iv) 1792-93 Answer: The importance of the dates are: 1774: Louis XVI became the King of France 1789: Convocation of Estates General Third Estate formed the National Assembly, The Bastille was stormed 1791: A constitution was framed to limit …

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NCERT 8th Class (CBSE) Science: Pollution of Water and Air

Pollution

Question: What harm can dumping of untreated sewage into a river cause? Answer: Untreated sewage from homes is often disposed off into rivers. These wastes contain many harmful microorganisms – bacteria, viruses, fungi and parasites that cause diseases such as diarrhoea, dysentery, cholera, typhoid and jaundice. Question: Why is hot water …

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NCERT 8th Class (CBSE) Social Science: Marginalization And Social Justice

Democracy

Question: Write in your own words two or more sentences of what you understand by the word ‘marginalisation’. Answer: Marginalization is the social process of being confined to a lower social standing. Marginalization involves people being denied their fundamental rights which results in lowering their economic and social status. Question: …

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