Chapter NotesClass 10 Social Science
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Class 10 Social ScienceChapter Notes

17 chapters · Definitions, key points, formulas & exam tips

Ch 1

The Rise of Nationalism in Europe

Key Definitions

Nationalism: An ideology based on the idea that nations are natural and ideal units for human organisation.
Nation-State: A political unit where a single nation governs a state. People share common culture, language, and history.
Romanticism: Cultural movement that emphasised emotion, intuition, and national identity through art, poetry, and music.
Conservatism: Political philosophy that emphasises tradition, established institutions, and gradual change.

Key Points to Remember

  • French Revolution (1789): first expression of nationalism — ideas of liberty, equality, fraternity.
  • Napoleon's Code: uniform laws, abolished feudal system, simplified administrative divisions.
  • 1815: Congress of Vienna — conservative powers tried to restore old order after Napoleon's defeat.
  • Mazzini: founded Young Italy, believed Italy should be a republic.
  • Cavour: unified North and Central Italy through diplomacy and alliances.
  • Garibaldi: unified Southern Italy — the Red Shirts campaign.
  • Otto von Bismarck: unified Germany through blood and iron policy, three wars.
  • 1871: Kaiser William I proclaimed German Emperor at Versailles.
  • Balkans: region of nationalist tensions — 'Powder Keg of Europe'.

Exam Tips

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Know the key figures: Mazzini, Garibaldi, Cavour (Italy); Bismarck (Germany).

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Allegories: Marianne (France), Germania (Germany) — visual representations of the nation.

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Feminism in nationalism: women participated in movements but were denied political rights.

Ch 2

Nationalism in India

Key Definitions

Civil Disobedience: Non-violent refusal to obey laws as a form of protest. Key feature of Gandhi's movements.
Satyagraha: Truth-force or soul-force. Gandhi's method of non-violent resistance.
Khilafat Movement: Muslim movement to protect the Ottoman Caliph's powers. Merged with Non-Cooperation Movement.

Key Points to Remember

  • Rowlatt Act (1919): allowed detention without trial — sparked nationwide protests.
  • Jallianwala Bagh massacre (13 April 1919): General Dyer ordered firing on peaceful crowd — turning point.
  • Non-Cooperation Movement (1920-22): boycott of British goods, courts, schools.
  • Chauri Chaura incident (1922): violent clash — Gandhi withdrew the movement.
  • Simon Commission (1927): all-white, no Indian members — met with 'Simon Go Back' protests.
  • Salt March / Dandi March (1930): Gandhi walked 240 miles to make salt — launched Civil Disobedience.
  • Gandhi-Irwin Pact (1931): Civil Disobedience suspended; political prisoners released.
  • Poona Pact (1932): Ambedkar and Gandhi — reserved seats for Dalits in provincial legislatures.
  • Quit India Movement (1942): 'Do or Die' — most radical of Gandhi's movements.

Exam Tips

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Differentiate between the three mass movements — their causes, methods, and outcomes.

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Role of different groups: peasants, tribals, workers, women — each had unique participation.

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Limitations of nationalism: excluded Dalits, women — internal contradictions.

Ch 3

Water Resources

Key Definitions

Water Scarcity: Insufficient freshwater resources to meet the demands of water usage.
Multipurpose River Projects: Dams built for multiple purposes: irrigation, hydropower, flood control, navigation.
Rainwater Harvesting: Collection and storage of rainwater for later use.

Key Points to Remember

  • 71% of earth's surface is water but only 2.5% is freshwater; most is in glaciers.
  • India gets 4% of world's water resources but has 16% of world's population.
  • Dams: Sardar Sarovar (Narmada), Hirakud (Mahanadi), Bhakra Nangal (Sutlej).
  • Problems with large dams: displaces people, destroys forests, affects river ecosystems.
  • Anti-dam movements: Narmada Bachao Andolan, Tehri Dam opposition.
  • Traditional water harvesting: khadins (Rajasthan), bamboo drip irrigation (Meghalaya), baolis (stepwells).
  • Roof-top rainwater harvesting: Tamil Nadu made it mandatory.

Exam Tips

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Benefits AND problems of multipurpose projects — both sides must be mentioned.

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Examples of traditional water harvesting structures with their regions.

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Reason for water scarcity: not just less rainfall but overuse and pollution.

Ch 4

Agriculture

Key Definitions

Rabi Crops: Winter crops sown in October-November, harvested in March-April. E.g., wheat, barley, peas.
Kharif Crops: Summer/monsoon crops sown in June-July, harvested in September-October. E.g., rice, maize, cotton.
Green Revolution: Introduction of high-yielding variety seeds, irrigation, fertilisers in 1960s-70s that boosted food production.

Key Points to Remember

  • India is agricultural country — 2/3 of population depends on agriculture.
  • Types of farming: subsistence, commercial, plantation.
  • Plantation crops: tea (Assam), coffee (Karnataka), rubber (Kerala).
  • Largest producer of jute: West Bengal.
  • Cotton grown in Deccan Plateau (black soil — best for cotton).
  • Green Revolution benefited mostly Punjab, Haryana, Western UP.
  • Problems of Indian agriculture: small holdings, dependence on monsoon, low productivity.
  • Food Security Act 2013: subsidised food grain to 2/3 of population.

Exam Tips

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Know which crop grows in which soil and climate — map-based questions.

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Differentiate subsistence and commercial farming with examples.

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Challenges faced by Indian farmers — a 5-mark question type.

Ch 5

Minerals and Energy Resources

Key Definitions

Mineral: A naturally occurring substance with a definite chemical composition.
Ore: A mineral that contains a metal in sufficient quantities to be extracted profitably.
Conventional Energy: Traditional sources like coal, petroleum, natural gas, and firewood.
Non-Conventional Energy: Renewable sources like solar, wind, hydro, geothermal, and tidal energy.

Key Points to Remember

  • Ferrous minerals: iron ore, manganese, nickel. Non-ferrous: copper, bauxite, lead, zinc.
  • Jharkhand, Chhattisgarh, Odisha: major iron ore belts.
  • Largest coal reserves: Jharkhand, Chhattisgarh, Odisha, West Bengal.
  • Petroleum: Mumbai High (offshore), Digboi (Assam), Godavari basin.
  • India's first solar power plant: Gujarat.
  • Largest wind farm: Tamil Nadu (Nagarcoil, Jaisalmer, Rajasthan also important).
  • Biogas: made from animal dung, agricultural waste — used in rural areas.

Exam Tips

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Distinguish between metallic and non-metallic minerals with examples.

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Advantages of non-conventional energy: renewable, eco-friendly, low maintenance.

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Conservation of minerals: sustainable mining, recycling, use of substitutes.

Ch 6

Manufacturing Industries

Key Definitions

Manufacturing: Production of goods in large quantities using raw materials, labour, and capital.
Agro-based Industry: Industry that uses agricultural products as raw material. E.g., cotton textiles, sugar, jute.
Basic Industry: Industry that supplies raw materials to other industries. E.g., iron and steel.

Key Points to Remember

  • Iron and steel: called 'backbone of modern industry'. Major plants: Bhilai, Durgapur, Rourkela, Jamshedpur.
  • Jamshedpur: first iron and steel plant in India, set up by Jamshedji Tata (1907).
  • Cotton textile: oldest industry; Mumbai — 'Manchester of India'.
  • Jute industry: concentrated in West Bengal (Hugli river basin).
  • Cement industry: uses limestone, silica, alumina, gypsum.
  • Largest cement producer states: Rajasthan, MP, Gujarat, AP.
  • Pollution: industrial effluents, air pollution from factories — thermal power plants major polluters.
  • Special Economic Zones (SEZs): areas with special economic policies to attract investment.

Exam Tips

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Factors affecting industrial location: raw material, power, labour, market, transport.

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Know the major industrial regions and what they produce.

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Industrial pollution and its control — environment-related questions.

Ch 7

Lifelines of the National Economy

Key Definitions

Infrastructure: Basic facilities needed for the development of a country — roads, railways, ports, airports.
Trade: Exchange of goods and services between countries (international) or within a country (domestic).
Tourism: Travel for recreation or business. India earns foreign exchange through tourism.

Key Points to Remember

  • India has one of the largest road networks — 56 lakh km.
  • National Highways: maintained by NHAI. Longest NH in India: NH 44 (Srinagar to Kanyakumari).
  • Railways: largest public sector undertaking; connects remote areas.
  • Pipeline transport: fastest and cheapest for liquids and gases.
  • Major ports: Mumbai (largest), Jawaharlal Nehru Port (busiest), Chennai, Kolkata, Visakhapatnam.
  • India's major export: gems and jewellery, engineering goods, chemicals.
  • India's major import: crude oil, machinery, gold, electronic goods.
  • Tourism: provides employment, earns foreign exchange, promotes national integration.

Exam Tips

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Compare different modes of transport — advantages and limitations of each.

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India's trade deficit — imports exceed exports.

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Role of internet and communication in economic development.

Ch 8

Power Sharing

Key Definitions

Power Sharing: Distribution of powers among different organs, levels, and groups in a democracy.
Majoritarianism: Belief that majority community can rule as it wishes, ignoring minority interests.
Social Conflict: Tension or struggle between different social groups over resources, power, or identity.

Key Points to Remember

  • Belgium: Dutch (Flemish 59%) and French (Walloons 40%) — equal representation in central cabinet regardless of population.
  • Sri Lanka: Sinhala (74%) declared official language, excluded Tamil — led to civil war.
  • Prudential reason for power sharing: reduces social conflict.
  • Moral reason: democracy means all citizens should participate in governance.
  • Forms of power sharing: among organs (legislature, executive, judiciary), among levels (central, state, local), among social groups, among political parties.

Exam Tips

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Compare Belgium and Sri Lanka models — lessons from both.

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Prudential vs moral reasons for power sharing — exam favourite.

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Accommodation vs majoritarianism — with examples.

Ch 9

Federalism

Key Definitions

Federalism: A system of government where power is divided between a central authority and its constituent units (states).
Decentralisation: Transfer of power from central and state governments to local governments (panchayats, municipalities).
Coalition Government: Government formed by an alliance of two or more parties.

Key Points to Remember

  • India: federal system with unitary features — 'holding together' federation.
  • Three lists: Union (97 subjects), State (66 subjects), Concurrent (47 subjects).
  • Residual powers: with Union government in India.
  • 73rd Amendment (1992): constitutional status to Panchayati Raj.
  • 74th Amendment (1992): constitutional status to Urban Local Bodies.
  • 1/3 seats reserved for women in local bodies.
  • Belgium: 'coming together' federation — equal states joined voluntarily.

Exam Tips

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Difference between coming together and holding together federations.

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Role of Election Commission, CAG, Judiciary in federalism.

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Decentralisation: why needed and what was done after 1992.

Ch 10

Democracy and Diversity

Key Definitions

Social Division: Differences based on caste, religion, language, gender, etc.
Social Inequality: Unequal distribution of resources, opportunities, and privileges in society.

Key Points to Remember

  • Mexico Olympics 1968: Tommie Smith and John Carlos raised fists in Black Power salute.
  • Origin of social differences: accident of birth (race, gender) or choices (religion, profession).
  • Overlapping differences create social divisions (e.g., class + religion).
  • Cross-cutting differences reduce social tensions.
  • Three factors determining outcome of politics of social division: (1) people's perception, (2) political leaders' response, (3) government policy.
  • Northern Ireland: Protestants vs Catholics — political divisions based on religion.
  • Yugoslavia: religious and ethnic divisions led to break-up.

Exam Tips

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Social divisions don't always lead to conflict — depends on political choices.

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Example where social division and electoral competition combined dangerously.

Ch 11

Gender, Religion and Caste

Key Definitions

Patriarchy: Social system in which men hold primary power — in family, society, and government.
Feminist Movement: Social movement seeking equal rights and opportunities for women.
Communalism: Political ideology that uses religion to mobilise voters, often leading to religious violence.

Key Points to Remember

  • Gender division: created by society, not biology. Women still face discrimination.
  • Women in Parliament: India has very low representation (~15%) compared to Nordic countries (>40%).
  • Caste in politics: caste groups form vote banks; political parties consider caste while selecting candidates.
  • Casteism: discrimination based on caste — constitutionally prohibited in India.
  • Communalism: when religion is used as basis for political mobilisation.
  • Secularism: state has no official religion; equal treatment of all religions.

Exam Tips

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Difference between caste and caste-based politics — caste itself is not politics.

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Women's issues: domestic violence, unequal pay, child marriage, female foeticide.

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India is a secular state — mention constitutional provisions.

Ch 12

Political Parties

Key Definitions

Political Party: An organised group of people who share similar views and seek to win elections to exercise political power.
Multiparty System: System with more than two parties competing. E.g., India.
Alliance: A coalition of parties formed to contest elections and form government.

Key Points to Remember

  • Functions of parties: contest elections, make policies, form government, play opposition, shape public opinion.
  • National parties recognised by Election Commission: INC, BJP, BSP, CPM, NCP, etc.
  • Challenges to parties: dynastic succession, corruption, criminalisation, lack of internal democracy.
  • Reforms: anti-defection law, affidavit disclosure of criminal records, RTI applied to parties.
  • India has multiparty system — coalition governments at centre since 1989.

Exam Tips

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Three components of a political party: leaders, active members, followers.

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How can parties be reformed? — mention specific measures.

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Difference between ruling party and opposition — their roles.

Ch 13

Outcomes of Democracy

Key Definitions

Accountability: Being answerable for one's actions. Governments are accountable to citizens through elections.
Legitimacy: The right and acceptance of an authority to govern.

Key Points to Remember

  • Democracy produces legitimate government — elected by the people.
  • Democracy is better than alternatives in: accountability, decision-making, dignity, equality.
  • Economic development: democracies don't always grow faster than dictatorships.
  • Reduction of inequality: democracies have not been very successful in reducing economic inequality.
  • Social diversity: democracies accommodate diversity better than non-democracies.
  • Dignity: democracy protects individual dignity especially of minorities and women.
  • Transparency: citizens have right to examine decision-making process.

Exam Tips

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Democracy is valued not just for outcomes but for the process — explain.

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Democracy's limitations: doesn't always deliver economic equality.

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Measure of democracy: through voter participation, RTI usage, media freedom.

Ch 14

Development

Key Definitions

Development: Improvement in living standards, education, health, and overall quality of life.
Per Capita Income: Total national income divided by population. Used to compare economic development.
Human Development Index (HDI): Composite index measuring health, education, and income. Published by UNDP.

Key Points to Remember

  • Development goals differ for different people — no single definition.
  • Per capita income: a useful but incomplete measure of development.
  • HDI components: life expectancy, education (mean and expected years of schooling), per capita income.
  • Kerala: high HDI despite lower per capita income than Punjab — better health and education.
  • Sustainable development: meeting present needs without compromising future generations.
  • India's HDI rank: 132 out of 191 (2021-22 report).
  • BMI (Body Mass Index): indicator of health. BMI < 18.5 = undernourished.

Exam Tips

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Why is per capita income not a sufficient measure of development?

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Infant mortality rate, literacy rate, net attendance ratio — know these indicators.

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Difference between growth and development — development is multidimensional.

Ch 15

Money and Credit

Key Definitions

Money: A medium of exchange accepted by all parties in economic transactions.
Credit: Loans provided by banks or lenders to individuals or businesses.
Collateral: An asset pledged by a borrower as security for a loan.
Formal Credit: Credit from banks and regulated financial institutions.

Key Points to Remember

  • Barter system: exchange of goods without money — required double coincidence of wants.
  • Money solves the problem of double coincidence.
  • Types of money: currency (notes, coins), demand deposits (cheques).
  • Reserve Bank of India: controls money supply, regulates banks, issues currency.
  • Formal sector: banks, cooperatives — lower interest rates, regulated.
  • Informal sector: moneylenders, traders, relatives — higher interest rates, unregulated.
  • Self-Help Groups (SHGs): small groups, mostly women, take loans from banks collectively.
  • Microfinance: small loans to poor people who lack collateral.

Exam Tips

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Why do banks prefer formal sector borrowers? — less risk, documentation, collateral.

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Role of SHGs in rural credit — mention how they work.

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Debt trap: borrowers unable to repay — informal moneylenders charge 5x more than banks.

Ch 16

Globalisation and the Indian Economy

Key Definitions

Globalisation: Integration of economies and societies around the world through trade, investment, and information.
Multinational Corporation (MNC): A company that owns or controls production in more than one country.
Foreign Direct Investment (FDI): Investment made by an MNC in a foreign country — setting up factories, buying companies.
WTO: World Trade Organisation — international body that governs global trade rules.

Key Points to Remember

  • Trade barriers: taxes (tariffs) and quotas on imports — protect domestic industries.
  • Liberalisation: removing trade barriers — allowed since 1991 in India.
  • Impact of MNCs: creates employment but may destroy local businesses.
  • Special Economic Zones: areas with special facilities to attract MNCs.
  • Benefits of globalisation: lower prices, more choices, employment, technology.
  • Problems: local manufacturers suffer, unfair competition, exploitation of labour.
  • Fair trade: ensuring fair price to producers in developing countries.

Exam Tips

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How do MNCs spread production across countries? — cheaper labour, lower taxes.

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Impact of globalisation on different groups — workers, consumers, small producers.

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India's IT industry: major beneficiary of globalisation (Infosys, Wipro).

Ch 17

Consumer Rights

Key Definitions

Consumer: A person who buys goods or services for personal use.
Consumer Exploitation: When sellers take unfair advantage of buyers through false information, adulteration, or unfair pricing.
Consumer Protection Act: Law protecting consumers against unfair practices. 2019 Act replaced the 1986 Act.

Key Points to Remember

  • Consumer rights: right to safety, information, choice, representation, redressal, consumer education.
  • COPRA 1986: established consumer courts — District, State, National level.
  • Consumer Forum: quasi-judicial body for redressal of consumer complaints.
  • District court: up to ₹1 crore. State court: ₹1 crore to ₹10 crore. National court: above ₹10 crore (as per 2019 Act).
  • ISO: International Organisation for Standardisation — quality certifier.
  • AGMARK: agricultural products quality mark.
  • Hallmark: purity mark for gold jewellery.
  • World Consumer Rights Day: 15 March.

Exam Tips

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Six consumer rights — must memorise all six.

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Consumer movement in India — started due to shortage and black-marketing post-Independence.

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RTI (Right to Information) helps consumers — mention as a right.