{"id":31641,"date":"2026-07-17T11:06:06","date_gmt":"2026-07-17T05:36:06","guid":{"rendered":"https:\/\/mycbseguide.com\/blog\/?p=31641"},"modified":"2026-07-17T11:27:45","modified_gmt":"2026-07-17T05:57:45","slug":"building-blocks-in-economics-the-problem-of-choice-ncert-solutions-class-9-social-science-new","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/building-blocks-in-economics-the-problem-of-choice-ncert-solutions-class-9-social-science-new\/","title":{"rendered":"Building Blocks in Economics: The Problem of Choice – NCERT Solutions Class 9 Social Science (New)"},"content":{"rendered":"\n

Building Blocks in Economics: The Problem of Choice<\/strong><\/strong> – NCERT Solutions Class 9 Social Science (New) Understanding Society includes all the questions with solutions given in the NCERT Class 9 Social Science Book Understanding Society textbook.<\/p>\n\n\n\n

NCERT Solutions Class 9<\/h2>\n\n\nEnglish Kaveri<\/a>\n\n\nHindi Ganga<\/a>\n\n\nSanskrit Sharada<\/a>\n\n\nMaths Ganita Manjari<\/a>\n\n\nScience Exploration<\/a>\n\n\nSocial Understanding Society<\/a>\n\n\n\n

Building Blocks in Economics: The Problem of Choice<\/strong><\/strong> \u2013 NCERT Solutions<\/h2>\n\n\n\n

Q.1: What does economics deal with?<\/strong><\/p>\n\n\n\n

Solution: Economics is the study of how people, businesses, and governments make choices to get the most out of limited resources. Because humans have unlimited wants but resources (like time, money, and materials) are scarce, economics explores how we manage and divide these resources.<\/p>\n\n\n\n

Q.2: What are the key questions in economics?<\/strong><\/p>\n\n\n\n

Solution: The key questions in economics are: What to produce? How to produce? For whom to produce? These questions arise because resources are limited, so every society must decide how to use them efficiently to satisfy people’s needs and wants.<\/p>\n\n\n\n

Q.3: How do different economic systems address these questions?<\/strong><\/p>\n\n\n\n

Solution: Different economic systems answer the basic economic questions differently. In a market economy, consumers and producers decide; in a command economy, the government decides; and in a mixed economy, both the government and markets share decision-making.<\/p>\n\n\n\n

Q.4: List three things your parents bought this month. Can you classify them into needs or wants?<\/strong><\/p>\n\n\n\n

Solution: This question helps distinguish between needs (essential items) and wants (non-essential items). It shows how families make choices about spending their limited income to satisfy important needs before optional wants.<\/p>\n\n\n\n

Example Classification:<\/strong><\/p>\n\n\n\n

Item Bought<\/strong><\/td>Need\/Want<\/strong><\/td><\/tr>
Groceries (rice, vegetables, milk)<\/td>Need<\/td><\/tr>
School notebooks<\/td>Need<\/td><\/tr>
Ice cream or chocolates<\/td>Want<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Q.5: Do you think having too many wants may create problems? Why or why not?<\/strong><\/p>\n\n\n\n

Solution: Yes, having too many wants can create problems because resources like money, time, and materials are limited. Trying to satisfy every want may lead to overspending, debt, stress, and difficulty meeting essential needs first.<\/p>\n\n\n\n

Q.6: Ask your parents about how they make choices for everyday purchases. What is the opportunity cost of making a particular decision?<\/strong><\/p>\n\n\n\n

Solution: Parents compare prices, quality, and needs before buying things. Opportunity cost is the value of the next best alternative that is given up when one choice is made. For example, buying a new phone may mean postponing a family outing.<\/p>\n\n\n\n

Q.7: How do you decide to spend your time? Is time a scarce resource?<\/strong><\/p>\n\n\n\n

Solution: I decide my time by giving priority to important tasks like studying, completing homework, and resting. Yes, time is a scarce resource because everyone has only 24 hours a day, so using it wisely requires making choices.<\/p>\n\n\n\n

Q.8: Should the government allocate more funds to healthcare and education or defence and space exploration? Why?<\/strong><\/p>\n\n\n\n

Solution: The government must balance limited resources among different priorities. Many argue that healthcare and education should receive more funds because they improve people’s well-being, skills, and productivity, while defence and space exploration remain important for national security and scientific progress.<\/p>\n\n\n\n

Q.9: Why do you think people’s wants keep changing over time? How does this affect production in an economy? Why cannot all our wants be satisfied?<\/strong><\/p>\n\n\n\n

Solution: People’s wants keep changing over time because their needs, income, lifestyle, technology, tastes, and social conditions keep changing. For example, earlier a person may want a bicycle, later a motorbike, and then a car. New products, advertisements, fashion, and better income also create new wants.<\/p>\n\n\n\n

This affects production in an economy because producers have to change what they produce according to people’s changing wants. If people demand more smartphones, electric vehicles, fashionable clothes, or healthy food, producers will increase the production of such goods and reduce the production of goods that are less demanded.<\/p>\n\n\n\n

All our wants cannot be satisfied because human wants are unlimited, but resources such as land, labour, capital, money, water, raw materials, and technology are limited. Therefore, individuals, businesses, and governments have to make choices and use resources carefully. When we choose one option, we often have to give up another option, which is called opportunity cost.<\/p>\n\n\n\n

Q.10: ‘Human wants are unlimited and keep changing.’ How do you think this constant desire for more creates pressure on the environment? Can the fulfilment of wants and the extraction of resources be balanced?<\/strong><\/p>\n\n\n\n

Solution: Human wants are unlimited and keep changing. This constant desire for more creates pressure on the environment because more goods and services require more natural resources. To satisfy increasing wants, people extract more minerals, cut more forests, use more water, consume more energy, and produce more waste and pollution. For example, increasing demand for cars, buildings, gadgets, and luxury items leads to greater use of metals, fuel, electricity, land, and other resources.<\/p>\n\n\n\n

Yes, the fulfilment of wants and extraction of resources can be balanced if we use resources wisely and follow sustainable development. We should reduce waste, recycle materials, use renewable energy, conserve water, protect forests, and produce goods in eco-friendly ways. Consumers should also distinguish between needs and wants and avoid unnecessary consumption.<\/p>\n\n\n\n

Thus, economic development should not damage the environment. Resources should be used in such a way that present needs are fulfilled without harming the needs of future generations.<\/p>\n\n\n\n

Q.11: Can you think of a resource in your region that is scarce but used wastefully? How could it be managed better?<\/strong><\/p>\n\n\n\n

Solution: In many regions, water is a scarce resource but is often used wastefully. People waste water by leaving taps open, using excessive water for washing vehicles, leaking pipelines, and overusing groundwater for agriculture.<\/p>\n\n\n\n

Water can be managed better by repairing leaking taps and pipelines, using rainwater harvesting, reusing water wherever possible, adopting drip irrigation in farming, and spreading awareness about water conservation. The government and local communities should also protect ponds, lakes, and groundwater sources.<\/p>\n\n\n\n

Q.12: Which economic system-market, planned, or mixed-do you think gives people the most freedom? Which economic system is best suited for promoting innovation? Why?<\/strong><\/p>\n\n\n\n

Solution: A market economy provides people with the greatest economic freedom because individuals and private businesses can decide what to produce, how to produce, and how to use their resources. Consumers also get more choices due to competition among producers. A market economy is generally considered best for promoting innovation because competition encourages businesses to develop new ideas, improve products, and use better technology.<\/p>\n\n\n\n

However, a completely free market may lead to inequality and may not provide essential services to all sections of society. A mixed economy<\/strong> combines the benefits of both market and planned systems. It allows private enterprises to grow and innovate while the government regulates activities, provides public services, and works for social welfare. Therefore, a mixed economy is often considered the most balanced system for modern societies. <\/p>\n\n\n\n

Q.13: Critically examine why pure economic systems rarely exist in reality. Assess the limitations of such systems and justify why a mixed economy is often considered a more practical and effective approach in real-world contexts.<\/strong><\/p>\n\n\n\n

Solution: Pure economic systems rarely exist because every economy has different needs, resources, people, and problems. A purely planned economy gives the government full control over production and distribution, but it may reduce competition, innovation, efficiency, and consumer choice. A purely market economy gives freedom to private producers and consumers, but it may increase inequality, ignore poor people, and fail to provide enough public goods like roads, schools, hospitals, and police services.<\/p>\n\n\n\n

That is why most countries follow a mixed economy. In a mixed economy, both the government and private sector play important roles. Private firms encourage competition, innovation, and efficiency, while the government provides public goods, protects consumers, supports weaker sections, and regulates unfair practices.<\/p>\n\n\n\n

Thus, a mixed economy is more practical because it combines the strengths of both market and planned economies and reduces their weaknesses.<\/p>\n\n\n\n

Q.14: A student has \u20b9 100 and must choose between buying a notebook or saving the money for buying a tennis racket later. Which economic concept best explains this situation?<\/p>\n\n\n\n

Options:
(1) Demand
(2) Opportunity cost \u2705
(3) Production
(4) Inflation<\/p>\n\n\n\n

Explanation: This situation is explained by opportunity cost because the student has limited money and must choose one option. If the student buys a notebook, the opportunity cost is the chance of saving that money for a tennis racket. If the student saves the money, the opportunity cost is giving up the notebook.<\/p>\n\n\n\n

Q.15: How does understanding opportunity cost improve the quality of economic decision-making?<\/strong><\/p>\n\n\n\n

Solution: Understanding opportunity cost helps people make better economic decisions by showing the value of the next best alternative that is given up when a choice is made. Since resources like money, time, land, labour, and capital are limited<\/strong>, every decision involves a trade-off. By comparing the benefits and costs of different options, individuals, businesses, and governments can choose more wisely.<\/p>\n\n\n\n

For example, if a student spends time playing instead of studying, the opportunity cost is the learning that could have been gained during that time. Similarly, a farmer choosing one crop over another considers the benefits and losses of each option. Therefore, understanding opportunity cost encourages careful planning, efficient use of resources, and better decision-making by helping people evaluate the consequences of their choices.<\/p>\n\n\n\n

Q.16: Can effective economic decisions be made without reliable data? Support your answer with an example.<\/strong><\/p>\n\n\n\n

Solution: No, effective economic decisions cannot be made without reliable data because data provides accurate information for planning and decision-making. Economic choices involve the use of limited resources, so facts, statistics, surveys, and analysis are necessary to understand needs and predict outcomes. Without reliable data, decisions may be based on assumptions, leading to inefficient use of resources and poor results.<\/p>\n\n\n\n

For example, if a government plans to build a hospital, it must collect data about the population, health problems, income levels, and existing healthcare facilities in the area. This information helps decide the correct location, size, and facilities required. Without proper data, the hospital may not benefit the people who need it most. Thus, reliable data is essential for making effective and practical economic decisions.<\/p>\n\n\n\n

Q.17: Analyse how a country’s present economic choices can shape its long-term future. Why is it important to consider future consequences while making economic decisions today?<\/strong><\/p>\n\n\n\n

Solution: A country’s present economic choices strongly shape its long-term future. Decisions about education, healthcare, infrastructure, environment, technology, agriculture, and industry affect future growth and quality of life.<\/p>\n\n\n\n

For example, if a country invests in education and healthcare today, it creates a healthier and more skilled population for the future. If it invests in renewable energy and sustainable agriculture, it protects natural resources for future generations. But if it overuses forests, water, minerals, and fossil fuels, it may face pollution, climate change, and resource shortages later.<\/p>\n\n\n\n

Therefore, it is important to consider future consequences while making economic decisions today. Good economic choices should balance present needs with long-term sustainability and the welfare of future generations.<\/p>\n\n\n\n

Q.18: Identify a news article from any newspaper of your choice about a product or commodity (such as vegetables, fruits, fuel, or electronics) where producers or companies are deciding how much to produce or supply. Write 2\u221232\u22123 sentences explaining the example you found and why the production decision was made.<\/strong><\/p>\n\n\n\n

Solution: A suitable example can be taken from news about onion prices. When onion prices rise due to low supply or crop damage, farmers and traders may decide to increase the supply of onions in the market. The government may also release stored onions or restrict exports to control prices.<\/p>\n\n\n\n

This production and supply decision is made because demand for onions remains high, but supply may become limited due to weather, crop failure, or storage problems. This example shows how producers and governments make economic choices based on demand, supply, prices, and consumer needs.<\/p>\n\n\n\n

Class 9 Social Science (New book) NCERT Solutions<\/h2>\n\n\n\n
    \n
  1. Understanding Social Science<\/li>\n\n\n\n
  2. Shaping of the Earth’s Surface<\/a><\/li>\n\n\n\n
  3. Atmosphere and Climate<\/a><\/li>\n\n\n\n
  4. Early Humans and Beginning of Civilisation<\/a><\/li>\n\n\n\n
  5. State and Society up to 1000 CE<\/a><\/li>\n\n\n\n
  6. Democracy<\/a><\/li>\n\n\n\n
  7. Elections<\/a><\/li>\n\n\n\n
  8. Building Blocks in Economics: The Problem of Choice<\/a><\/li>\n\n\n\n
  9. The Price Puzzle: What Drives the Market Edit<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    Building Blocks in Economics: The Problem of Choice – NCERT Solutions Class 9 Social Science (New) Understanding Society includes all the questions with solutions given in the NCERT Class 9 Social Science Book Understanding Society textbook. NCERT Solutions Class 9 Building Blocks in Economics: The Problem of Choice \u2013 NCERT Solutions Q.1: What does economics … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[281,2071,2077],"tags":[216],"class_list":["post-31641","post","type-post","status-publish","format-standard","hentry","category-ncert-solutions","category-ncert-solutions-class-9","category-ncert-solutions-class-9-social-understanding-society","tag-ncert-solutions"],"yoast_head":"\nBuilding Blocks in Economics: The Problem of Choice - NCERT Solutions Class 9 Social Science (New) | myCBSEguide<\/title>\n<meta name=\"description\" content=\"Building Blocks in Economics: The Problem of Choice - NCERT Solutions Class 9 Social Science (New) Understanding Society.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mycbseguide.com\/blog\/building-blocks-in-economics-the-problem-of-choice-ncert-solutions-class-9-social-science-new\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Building Blocks in Economics: The Problem of Choice - 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