AskMedha

Bihar Board Class 10 · Social Science · Matric exam 2027

Bihar Board Class 10 Social Science Question Paper 2024

The board’s 2024 question paper, set H — all 112 questions as printed; 80 objective answers from the board’s own key; full model answers for 3 written questions, how the answer begins for 29 more. Each question names its chapter, where that chapter’s most-asked questions are.

Full marks 80 · Time 2 h 45 min

Section A · Objective questions (80)

  1. Who was the king of Sardinia?

    • (A) Victor Emmanuel ✓
    • (B) Napoleon
    • (C) Charles X
    • (D) None of them

    Answer (the board’s key): (A)

  2. Who founded the Third International in 1919?

    • (A) Karl Marx
    • (B) Lenin ✓
    • (C) Friedrich Engels
    • (D) Robert Owen

    Answer (the board’s key): (B)

  3. Who was the chief hero of the unification of Italy?

    • (A) Mazzini
    • (B) Cavour
    • (C) Garibaldi
    • (D) All of them ✓

    Answer (the board’s key): (D)

  4. By what name is the first Russian Revolution of 1917 known?

    • (A) October Revolution
    • (B) March Revolution
    • (C) February Revolution ✓
    • (D) November Revolution

    Answer (the board’s key): (C)

  5. Q 5Objective1 markCh. 4: Nationalism in India

    Which of the following is not a liberal leader?

    • (A) Dadabhai Naoroji
    • (B) Firoj Shah Mehta
    • (C) Bipin Chandra Pal ✓
    • (D) Surendranath Bannerjee

    Answer (the board’s key): (C)

  6. Q 6Objective1 markCh. 4: Nationalism in India

    Which of the following proposed separate electorate for Muslims for the first time?

    • (A) Simon Commission
    • (B) Morley-Minto Reforms ✓
    • (C) Delhi Pact
    • (D) Montague-Chelmsford Report

    Answer (the board’s key): (B)

  7. Where was the first textile mill established in India?

    • (A) Gujarat
    • (B) Andhra Pradesh
    • (C) Maharashtra ✓
    • (D) Uttar Pradesh

    Answer (the board’s key): (C)

  8. In which country was the 'corn law' passed?

    • (A) Britain ✓
    • (B) Russia
    • (C) Germany
    • (D) France

    Answer (the board’s key): (A)

  9. In which state is the Indira Gandhi canal located?

    • (A) Kerala
    • (B) Maharashtra
    • (C) Rajasthan ✓
    • (D) Bihar

    Answer (the board’s key): (C)

  10. Where is Rohila National Park?

    • (A) West Bengal
    • (B) Himachal Pradesh ✓
    • (C) Tamil Nadu
    • (D) Assam

    Answer (the board’s key): (B)

  11. India is the leading producer of which mineral in the world?

    • (A) Manganese
    • (B) Copper
    • (C) Bauxite
    • (D) Mica ✓

    Answer (the board’s key): (D)

  12. Which mineral is needed to make aluminium?

    • (A) Tin
    • (B) Bauxite ✓
    • (C) Manganese
    • (D) Iron

    Answer (the board’s key): (B)

  13. In which state is Damodar Valley Project located?

    • (A) Jharkhand ✓
    • (B) West Bengal
    • (C) Bihar
    • (D) Odisha

    Answer (the board’s key): (A)

  14. Q 14Objective1 markCh. 2: Agriculture

    Which is the largest sugarcane producing state in South India?

    • (A) Andhra Pradesh
    • (B) Odisha
    • (C) Tamil Nadu
    • (D) Maharashtra ✓

    Answer (the board’s key): (D)

  15. Where is Visvesvaraya Iron and Steel Limited located?

    • (A) Salem
    • (B) Bhadravati ✓
    • (C) Vijaynagar
    • (D) Durgapur

    Answer (the board’s key): (B)

  16. Which shipyard makes warships for India?

    • (A) Mazagaon ✓
    • (B) Kolkata
    • (C) Chennai
    • (D) None of these

    Answer (the board’s key): (A)

  17. Q 17Objective1 markCh. 2: Flood and Drought

    Which river is known as the 'Sorrow of Bengal'?

    • (A) Kosi
    • (B) Ganga
    • (C) Damodar ✓
    • (D) Gandak

    Answer (the board’s key): (C)

  18. The tremor of the ocean bottom is related to

    • (A) Cyclone
    • (B) Tsunami ✓
    • (C) Tide
    • (D) None of these

    Answer (the board’s key): (B)

  19. From which state was Meghalaya carved out?

    • (A) Manipur
    • (B) Tripura
    • (C) Arunachal Pradesh
    • (D) Assam ✓

    Answer (the board’s key): (D)

  20. Who has the right to make laws on the subjects of the concurrent list?

    • (A) State
    • (B) Union
    • (C) Both (A) and (B) ✓
    • (D) None of these

    Answer (the board’s key): (C)

  21. Who is the head of village court?

    • (A) Panch
    • (B) Sarpanch ✓
    • (C) Mayor
    • (D) Nyaya Mitra

    Answer (the board’s key): (B)

  22. The government based on public opinion is

    • (A) Monarchy
    • (B) Dictatorship
    • (C) Democracy ✓
    • (D) None of these

    Answer (the board’s key): (C)

  23. Who elects the Sarpanch?

    • (A) Members of Gram Sabha ✓
    • (B) State Government
    • (C) Mukhiya and Panch
    • (D) Panch

    Answer (the board’s key): (A)

  24. Where was the seven-party alliance formed ?

    • (A) India
    • (B) Pakistan
    • (C) Myanmar
    • (D) Nepal ✓

    Answer (the board’s key): (D)

  25. Which of the following is an abiotic resource ?

    • (A) Human
    • (B) Bird
    • (C) River ✓
    • (D) Tree

    Answer (the board’s key): (C)

  26. What is regur called ?

    • (A) Red soil
    • (B) Black soil ✓
    • (C) Alluvial soil
    • (D) Laterite soil

    Answer (the board’s key): (B)

  27. Where is the Sharavati River Valley Project located ?

    • (A) Bihar
    • (B) Karnataka ✓
    • (C) Uttar Pradesh
    • (D) Tamil Nadu

    Answer (the board’s key): (B)

  28. What percentage of India is covered by forest ?

    • (A) 21.25%
    • (B) 24.62% ✓
    • (C) 33%
    • (D) 18%

    Answer (the board’s key): (B)

  29. Where is Naharkatia oil field located ?

    • (A) Arunachal Pradesh
    • (B) Assam ✓
    • (C) Nagaland
    • (D) Tripura

    Answer (the board’s key): (B)

  30. When was the first National Water Policy adopted ?

    • (A) 1975
    • (B) 1982
    • (C) 1987 ✓
    • (D) 2002

    Answer (the board’s key): (C)

  31. In which year did the most severe earthquake occur in Bihar ?

    • (A) 1931
    • (B) 1932
    • (C) 1933
    • (D) 1934 ✓

    Answer (the board’s key): (D)

  32. Where among the following is the thermal power generation plant located ?

    • (A) Barauni
    • (B) Kahalgaon
    • (C) Kanti
    • (D) All of these ✓

    Answer (the board’s key): (D)

  33. Which economic activity is predominant in rural areas ?

    • (A) Primary ✓
    • (B) Secondary
    • (C) Tertiary
    • (D) None of these

    Answer (the board’s key): (A)

  34. Q 34Objective1 markCh. 6: Globalisation

    Which sector has benefitted the least by the policy of globalization ?

    • (A) Agriculture ✓
    • (B) Service
    • (C) Manufacturing
    • (D) None of these

    Answer (the board’s key): (A)

  35. Q 35Objective1 mark

    Dinar is the currency of which country ?

    • (A) Iran
    • (B) Iraq ✓
    • (C) Saudi Arabia
    • (D) Afghanistan

    Answer (the board’s key): (B)

  36. What is the duration of eleventh five-year plan ?

    • (A) 1996 - 2002
    • (B) 2002 - 2007
    • (C) 2007 - 2012 ✓
    • (D) 2012 - 2017

    Answer (the board’s key): (C)

  37. Gas and electricity productions are placed in which sector ?

    • (A) Primary sector
    • (B) Secondary sector ✓
    • (C) Tertiary sector
    • (D) None of these

    Answer (the board’s key): (B)

  38. The process of economic development which raises the standard of living of all the sections of the society is called

    • (A) Sustainable Development
    • (B) Inclusive Development ✓
    • (C) Economic Growth
    • (D) All of these

    Answer (the board’s key): (B)

  39. Who prepared India's first Human Development Report ?

    • (A) Planning Commission ✓
    • (B) National Development Council
    • (C) World Bank
    • (D) United Nations Development Programme (UNDP)

    Answer (the board’s key): (A)

  40. The secondary sector is also known as

    • (A) Agriculture sector
    • (B) Industrial sector ✓
    • (C) Service sector
    • (D) All of these

    Answer (the board’s key): (B)

  41. Which of the following is the headquarters of North Central Railways ?

    • (A) Allahabad ✓
    • (B) Hajipur
    • (C) Jabalpur
    • (D) Mumbai Central

    Answer (the board’s key): (A)

  42. When did All India Radio start ?

    • (A) 1930
    • (B) 1936 ✓
    • (C) 1957
    • (D) 1965

    Answer (the board’s key): (B)

  43. Which state has the first position in terms of length of roads in India ?

    • (A) Gujarat
    • (B) Karnataka
    • (C) Maharashtra ✓
    • (D) Rajasthan

    Answer (the board’s key): (C)

  44. Which of the following states is most affected by cyclonic storms ?

    • (A) Odisha ✓
    • (B) Bihar
    • (C) Madhya Pradesh
    • (D) Jharkhand

    Answer (the board’s key): (A)

  45. Which of the following is a first-aid equipment ?

    • (A) Life jacket
    • (B) Fire extinguisher
    • (C) Rope
    • (D) Bandage and Tape ✓

    Answer (the board’s key): (D)

  46. Aswan dam is built on which river ?

    • (A) Nile ✓
    • (B) Amazon
    • (C) Krishna
    • (D) Godavari

    Answer (the board’s key): (A)

  47. Richter scale is used in which disaster?

    • (A) Flood
    • (B) Cyclone
    • (C) Earthquake ✓
    • (D) Drought

    Answer (the board’s key): (C)

  48. Q 48Objective1 markCh. 2: Flood and Drought

    Eastern Bihar is prone to which calamity?

    • (A) Earthquake
    • (B) Flood ✓
    • (C) Drought
    • (D) None of these

    Answer (the board’s key): (B)

  49. When was the national income estimated for the first time in India?

    • (A) 1798
    • (B) 1848
    • (C) 1868 ✓
    • (D) 1911

    Answer (the board’s key): (C)

  50. Circular flow is related to which of the following?

    • (A) Production
    • (B) Income
    • (C) Expenditure
    • (D) All of these ✓

    Answer (the board’s key): (D)

  51. What is the difference between income and consumption called?

    • (A) Production
    • (B) Saving ✓
    • (C) Exchange
    • (D) Distribution

    Answer (the board’s key): (B)

  52. Micro-financial institutions started from which country?

    • (A) India
    • (B) China
    • (C) Bangladesh ✓
    • (D) Myanmar

    Answer (the board’s key): (C)

  53. Which sector has the least contribution to Gross Domestic Product (GDP)?

    • (A) Primary sector ✓
    • (B) Secondary sector
    • (C) Tertiary sector
    • (D) None of these

    Answer (the board’s key): (A)

  54. Which of the following is a part of economic infrastructure?

    • (A) Education
    • (B) Health
    • (C) Civil Services
    • (D) Transportation ✓

    Answer (the board’s key): (D)

  55. Q 55Objective1 markCh. 6: Globalisation

    Where is the headquarters of World Trade Organization situated?

    • (A) New York
    • (B) Geneva ✓
    • (C) Hanoi
    • (D) Paris

    Answer (the board’s key): (B)

  56. The meaning of National income is

    • (A) Family income
    • (B) Income of Public enterprises
    • (C) Government income
    • (D) Monetary value of all final goods and services of an economy ✓

    Answer (the board’s key): (D)

  57. Q 57Objective1 markCh. 4: Nationalism in India

    Who was the political guru of Gandhiji?

    • (A) Gopal Krishna Gokhale ✓
    • (B) Rabindranath Tagore
    • (C) Vipin Chandra Pal
    • (D) Vyomkesh Banerjee

    Answer (the board’s key): (A)

  58. Q 58Objective1 markCh. 1: Nationalism in Europe

    Which of the following was not a part of allied powers ?

    • (A) Britain
    • (B) Germany ✓
    • (C) France
    • (D) Russia

    Answer (the board’s key): (B)

  59. In which language was 'Samvad Kaumudi' published ?

    • (A) Bangla ✓
    • (B) Hindi
    • (C) Marathi
    • (D) English

    Answer (the board’s key): (A)

  60. Who is famous as the liberator of Indian newspapers ?

    • (A) Warren Hastings
    • (B) Charles Metcalfe ✓
    • (C) Lord Lytton
    • (D) Lord Ripon

    Answer (the board’s key): (B)

  61. Q 61Objective1 markCh. 1: Nationalism in Europe

    With whom is the policy of 'Blood and Iron' related ?

    • (A) Lenin
    • (B) Stalin
    • (C) Bismarck ✓
    • (D) Garibaldi

    Answer (the board’s key): (C)

  62. Q 62Objective1 markCh. 1: Nationalism in Europe

    Bohemia was under which of the following countries ?

    • (A) Austria ✓
    • (B) Greece
    • (C) Turkey
    • (D) Poland

    Answer (the board’s key): (A)

  63. Between which countries was the treaty of Brest-Litovsk signed ?

    • (A) Russia and Italy
    • (B) Russia and France
    • (C) Russia and England
    • (D) Russia and Germany ✓

    Answer (the board’s key): (D)

  64. Q 64Objective1 markCh. 1: Nationalism in Europe

    Where did William I become the emperor in 1871 ?

    • (A) Italy
    • (B) England
    • (C) Germany ✓
    • (D) Poland

    Answer (the board’s key): (C)

  65. Who among the following suggested democratic decentralization ?

    • (A) Balwant Rai Mehta Committee ✓
    • (B) Tendulkar Committee
    • (C) Narsimham Committee
    • (D) Chelliah Committee

    Answer (the board’s key): (A)

  66. Which constitutional amendment is related to urban local self government ?

    • (A) 75th
    • (B) 74th ✓
    • (C) 73rd
    • (D) 72nd

    Answer (the board’s key): (B)

  67. Chipko movement was started from which state ?

    • (A) Uttarakhand ✓
    • (B) Himachal Pradesh
    • (C) Madhya Pradesh
    • (D) Kerala

    Answer (the board’s key): (A)

  68. Who declares emergency ?

    • (A) President ✓
    • (B) Prime Minister
    • (C) Chief Justice
    • (D) None of them

    Answer (the board’s key): (A)

  69. Which country does not have a federal system of governance ?

    • (A) India
    • (B) China ✓
    • (C) Belgium
    • (D) Switzerland

    Answer (the board’s key): (B)

  70. Which is the oldest political party in India ?

    • (A) Janata Dal
    • (B) Bharatiya Janata Party
    • (C) Indian National Congress ✓
    • (D) Nationalist Congress Party

    Answer (the board’s key): (C)

  71. In which of the following countries is direct democracy found ?

    • (A) Switzerland ✓
    • (B) India
    • (C) America
    • (D) Belgium

    Answer (the board’s key): (A)

  72. Due to which quality democracy is considered better than other forms of government ?

    • (A) Nurturer of equality and liberty
    • (B) Public opinion
    • (C) Reconciliation of differences
    • (D) All of these ✓

    Answer (the board’s key): (D)

  73. What is COPRA ?

    • (A) Right to information Act
    • (B) Consumer Protection Act ✓
    • (C) Human Development Index
    • (D) Consumer Right Day

    Answer (the board’s key): (B)

  74. By what name was the Land Development Bank earlier known ?

    • (A) Regional Rural Bank
    • (B) Cooperative Bank
    • (C) Land Mortgage Bank ✓
    • (D) NABARD

    Answer (the board’s key): (C)

  75. Railways were started in India during whose reign ?

    • (A) Lord Dalhousie ✓
    • (B) Lord Lytton
    • (C) Lord Cornwallis
    • (D) Lord Minto

    Answer (the board’s key): (A)

  76. Q 76Objective1 markCh. 1: Nationalism in Europe

    When was Louis Sixteen hanged ?

    • (A) 1748
    • (B) 1793 ✓
    • (C) 1798
    • (D) 1854

    Answer (the board’s key): (B)

  77. Who implemented the New Economic Policy (NEP) ?

    • (A) Lenin ✓
    • (B) Metternich
    • (C) Bismarck
    • (D) Stalin

    Answer (the board’s key): (A)

  78. Who succeeded Lenin ?

    • (A) Mazzini
    • (B) Stalin ✓
    • (C) Trotsky
    • (D) Kerensky

    Answer (the board’s key): (B)

  79. Who surrendered after the declaration of Potsdam ?

    • (A) France
    • (B) Japan ✓
    • (C) Vietnam
    • (D) India

    Answer (the board’s key): (B)

  80. Q 80Objective1 markCh. 4: Nationalism in India

    Who was the first President of Swaraj Dal ?

    • (A) Motilal Nehru
    • (B) Chitta Ranjan Das ✓
    • (C) Madan Mohan Malaviya
    • (D) Manavendra Nath Roy

    Answer (the board’s key): (B)

Section B · Written questions (32)

  1. Q 1Short answer2 marksCh. 1: Nationalism in Europe

    Write in brief about Cold War.

    Medha Ma’am

    Medha Ma’am

    AskMedha’s AI teacher

    Model answer · Cold War

    1. 1.The Cold War was a tense situation that emerged between the USA and the Soviet Union after the Second World War.1 mark
    2. 2.This war was fought as ideological differences and a show of power rather than a direct military conflict.1 mark
    • Write the exact phrase 'tense situation' along with 'USA and the Soviet Union' and 'after the Second World War'.
    • Write the exact phrase 'ideological differences and a show of power' and state it was 'rather than a direct military conflict'.

    Marks split from a structure derived from past papers (checked twice); not Bihar Board’s official scheme

  2. Q 2Short answer2 marksCh. 1: Nationalism in Europe

    What were the causes of the French Revolution of 1848 ?

    Medha Ma’am

    Medha Ma’am

    AskMedha’s AI teacher

    Model answer · causes of French Revolution 1848

    1. 1.The liberal policies of Louis Philippe failed, due to which people started to oppose him. Rising unemployment and starvation among the people created widespread discontent in France, which prepared the background for the revolution.1 mark
    2. 2.Demands for political reforms grew strong among the people of France. Reformist movements were launched for the expansion of suffrage, and these reformist movements inspired the Revolution of 1848.1 mark
    • Write 'liberal policies of Louis Philippe' failed and mention both 'unemployment and starvation' in the first point.
    • In the second point, use the exact words 'political reforms' and 'expansion of suffrage'.
    • Keep each cause in its own paragraph without repeating the other point.

    Marks split from a structure derived from past papers (checked twice); not Bihar Board’s official scheme

  3. Q 3Short answer2 marksCh. 5: Economy and Livelihood

    Why was the All India Trade Union Congress established ?

    Medha Ma’am

    Medha Ma’am

    AskMedha’s AI teacher

    Model answer · formation of All India Trade Union Congress

    1. 1.The All India Trade Union Congress was established to address the changed industrial conditions and the problems of workers that arose after the First World War. These problems included low wages, longer working hours and exploitation of the labourers by the industrialists. The unorganised labourers wanted to improve their position, so they began to form their organisation on a national level to solve these problems.1 mark
    2. 2.The All India Trade Union Congress (AITUC) was founded on 31 October, 1920. It was established to secure representation for Indian workers at the global level following the formation of the Industrial Labour Organisation (ILO) in 1920, by which the labourers' problem got international recognition. It also organised the labourers on a national level to protect their interests against exploitation.1 mark
    • Write the year 1920 and the name ILO clearly in the second paragraph.
    • Mention wages, working hours and exploitation as the problems faced by workers after the First World War.
    • Do not add later events like Trade Union Act 1926 or the Minimum Wages Act, as the question only asks for the reason of establishment.

    Marks split from a structure derived from past papers (checked twice); not Bihar Board’s official scheme

  4. Q 4Short answer2 marksCh. 5: Economy and Livelihood

    How did industrialization affect the livelihood of the labourers ?

    How the model answer begins

    1. Due to industrialisation, the working hours of labourers increased and they had to work for long periods at low wages. Industrialisation has damaged the livelihood of labourers to this extent that they had no money to…

    The full answer from Medha Ma’am →
  5. Q 5Short answer2 marksCh. 2: Socialism and Communism

    What is Communism ?

    How the model answer begins

    1. Communism is a social and economic system in which the means of production are owned by the entire society. In this system individual ownership on the means of production is polished off and all means of production,…

    The full answer from Medha Ma’am →
  6. What was the purpose of the Hoa Hao movement ?

    How the model answer begins

    1. The main objective of the Hoa Hao movement was to spread revolutionary ideas and oppose French colonialism. It worked to arouse the people of Indo-China against the French rule and to carry forward the spirit of…

    The full answer from Medha Ma’am →
  7. How did print revolution assist the growth of Nationalism in India ?

    How the model answer begins

    1. The printing revolution helped the growth of nationalism in India by making books, newspapers and journals available cheaply in large numbers to the people. This led to rapid spread of ideas and disseminated nationalist…

    The full answer from Medha Ma’am →
  8. Q 8Long answer4 marksCh. 5: Economy and Livelihood

    How the series of inventions of machines paved the way for industrial revolution ?

    How the model answer begins

    1. In 1770, James Hargreaves developed the spinning machine, spinning Jenny, in which sixteen distaffs moved by moving a wheel so eight threads could be spinned simultaneously. In 1769, Richard Arkwright invented the…

    The full answer from Medha Ma’am →
  9. Q 9Short answer2 marksCh. 4: Achievements of Democracy

    How is right to information the saviour of democracy ?

    How the model answer begins

    1. The Right to Information gives citizens the legal right to obtain information about the activities of the government. This right brings transparency in governance because people can know how the government is working…

    The full answer from Medha Ma’am →
  10. Q 10Short answer2 marksCh. 2: Working of Power Sharing

    Mention any four features of Indian Federal System.

    How the model answer begins

    1. There is a clear division of powers between the central and state governments in the Indian federal system, as legislative powers have been mentioned in three lists - the union list, the state list and the concurrent…

    The full answer from Medha Ma’am →
  11. Why has India adopted multi-party system ?

    How the model answer begins

    1. India is a vast and diverse country where various social, cultural, and linguistic groups exist. Due to this huge diversity, people of different castes, religions, regions and genders have their own distinct problems…

    The full answer from Medha Ma’am →
  12. What were the main demands of the Indian Farmer's Union ?

    How the model answer begins

    1. Indian Farmer Union demanded to increase the government's cost price of sugarcane and wheat.

    The full answer from Medha Ma’am →
  13. Q 13Long answer4 marksCh. 2: Working of Power Sharing

    Discuss the role of judiciary in federal system.

    How the model answer begins

    1. There is an independent and uppermost judiciary which has right to explain the constitutions. In the federal system, the judiciary acts as the supreme institution for interpreting the constitution and ensures that the…

    The full answer from Medha Ma’am →
  14. Q 14Long answer4 marksCh. 4: Achievements of Democracy

    What factors are responsible for the success of democracy ?

    How the model answer begins

    1. For democracy to succeed in India it is necessary to educate people. Education can create awareness among citizens. People still do not have direct control over the system, so it is necessary to educate people so that…

    The full answer from Medha Ma’am →
  15. What is mixed economy ?

    How the model answer begins

    1. Mixed Economy is a mixture of capitalist and socialist economy. It is the economy where means of production are owned by the government and private individuals both, that is, the means of production are owned and…

    The full answer from Medha Ma’am →
  16. Q 16Short answer2 marksCh. 6: Globalisation

    Mention four positive effects of globalization.

    How the model answer begins

    1. Due to globalisation, people are able to use and buy goods and services of other countries at an affordable price.

    The full answer from Medha Ma’am →
  17. Q 17Short answer2 marksCh. 4: Our Financial Institutions

    What is the function of financial institutions ?

    How the model answer begins

    1. Financial institutions provide credit and deposit facilities for the society. These institutions advance loans for short term, medium term and long term on the basis of need, and complete the activities related to…

    The full answer from Medha Ma’am →
  18. Q 18Short answer2 marksCh. 3: Money, Savings and Credit

    What is the role of self-help group in women empowerment ?

    How the model answer begins

    1. Self-help groups organize women and make them self-reliant and economically independent. These groups encourage women to do regular saving, which helps them to become financially strong and self-dependent.

    The full answer from Medha Ma’am →
  19. Discuss the rights given to the consumers under the Consumer Protection Act.

    How the model answer begins

    1. The right to safety is the primary right of consumer. This right is directly related to the purchases of goods and services from the market. Consumer has the right to have the security from those goods and services…

    The full answer from Medha Ma’am →
  20. Q 20Long answer4 marksCh. 3: Money, Savings and Credit

    Discuss the economic importance of money.

    How the model answer begins

    1. Money facilitates the buying and selling of goods and services as a medium of exchange. Before the invention of money, people used the barter system in which goods were exchanged directly for goods. This system created…

    The full answer from Medha Ma’am →
  21. Nuclear power is obtained from which minerals ?

    How the model answer begins

    1. Nuclear power is obtained from minerals like Uranium, Thorium, Ilmenite, Vanadium, Antimony and Monazite. Uranium is the raw material for nuclear energy and is found from ancient rocks, mainly in Pitch blend which…

    The full answer from Medha Ma’am →
  22. What is the utility of manganese ?

    How the model answer begins

    1. Manganese is mainly used in the manufacturing of rust resistant steel and Ferro Manganese alloy. Out of the total production of the Manganese in India, 85 percent is used in the manufacturing of alloy.

    The full answer from Medha Ma’am →
  23. Q 23Short answer2 marksCh. 3: Manufacturing Industries

    Define thermal pollution.

    How the model answer begins

    1. Thermal pollution is the pollution caused when hot water from industries and thermal power plants is released into water bodies without cooling.

    The full answer from Medha Ma’am →
  24. Mention the problems related to the development of canals in Bihar.

    How the model answer begins

    1. One problem related to the development of canals in Bihar is siltation. The rivers coming down from the Himalayas carry huge amount of silt with them, which gets deposited in the canals built on the Ganga and its…

    The full answer from Medha Ma’am →
  25. Write the characteristics of mangrove forests.

    How the model answer begins

    1. Mangrove forests are forests that grow in saline water and tidal areas.

    The full answer from Medha Ma’am →
  26. Write the names of two coal fields of Jharkhand.

    How the model answer begins

    1. Jharia is a major coal field of Jharkhand.

    The full answer from Medha Ma’am →
  27. Describe the methods of rain water harvesting and recycling.

    How the model answer begins

    1. Rainwater harvesting begins with collecting rainwater from rooftops or open spaces through pipes into underground tanks or pits. In this method rain falling on the roof of a house or on open ground is channelled through…

    The full answer from Medha Ma’am →
  28. Give a brief account of the characteristics of alluvial soil.

    How the model answer begins

    1. Alluvial soil is formed due to the alluvial deposits of the three important river systems of the Himalayas namely Sindhu, Ganga and Brahmaputra, and is also formed by the deltas of Mahanadi, Godavari, Krishna and Kaveri…

    The full answer from Medha Ma’am →
  29. Q 29Short answer2 marksCh. 2: Flood and Drought

    What is the difference between dam and embankment ?

    How the model answer begins

    1. A dam is a structure built to block or control the flow of river water. It is constructed on rivers to create artificial water reservoirs which help in checking the emergence of flood like conditions.

    The full answer from Medha Ma’am →
  30. Q 30Short answer2 marksCh. 3: Earthquake and Tsunami

    Write two measures that reduce the effects of earthquakes.

    How the model answer begins

    1. Before granting permission for the construction of the building it is essential to check these facts whether these buildings are built on earthquake resistant techniques. In earthquake affected areas special economic…

    The full answer from Medha Ma’am →
  31. Define satellite communication.

    How the model answer begins

    1. Satellite communication is a communication system in which information is transmitted from one place to another using artificial satellites.

    The full answer from Medha Ma’am →
  32. Why is disaster management necessary ?

    How the model answer begins

    1. Disaster management is necessary to reduce the loss of life and property caused by disasters. Disasters like floods, drought, earthquake, Tsunami and cyclones destroy human lives and property on a large scale, and…

    The full answer from Medha Ma’am →

The same preparation, with Medha Ma’am — on your phone

Every question of every chapter with its model answer, practice questions in the board’s own shapes, 60 minutes of class a day, written answers marked, a test every Sunday and a WhatsApp report to parents.

Medha Ma’am is an AI teacher, not a live tutor. Every answer is checked twice; a person takes responsibility.