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Exercise Question Answers-Chapter 3- The Dynamic Atmosphere and Changing Climate- Class 9-Social Science

  Important Question Answers for the Class 9-Social Science Chapter 3- The Dynamic Atmosphere and Changing Climate ***************************** Very Short Answer Type Questions: 1. Which layer of the atmosphere contains the ozone layer? Answer:   The stratosphere contains the ozone layer. 2. Name the gas that makes up the highest percentage of the atmosphere. Answer:   Nitrogen makes up the highest percentage of the atmosphere. 3. Which element of weather is measured using a barometer? Answer:   A barometer is used to measure atmospheric pressure . 4. What is the normal duration of the southwest monsoon in India? Answer:   The southwest monsoon usually lasts from June to September . 5. Which season in India is known as the “hot weather season”? Answer:   The summer season is known as the hot weather season. 6. Name the process by which water vapour turns into clouds. Answer:   The process is called condensation . 7....

NCERT Solutions-Chapter 7-Factors of Production- Class 8-Social Science

 Exercise Question Answers for Chapter 7- Factors of Production in Class VIII for Subject Social Science 

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Questions and activities:

1. How are the factors of production different from each other? What are the difficulties you faced in classifying the factors of production in the exercise given in-text?

Answer

  • Land means natural resources (soil, water, minerals).

  • Labour is human effort (physical and mental).

  • Capital includes man-made resources like machines and money.

  • Entrepreneurship brings ideas, risks, and management.

  • Sometimes inputs overlap (e.g., skill is both labour and human capital), so classification is tricky.

2. How does human capital differ from physical capital?

Answer

  • Human capital is knowledge, skills, and health of people.

  • Physical capital is machines, tools, and money.

  • Human capital improves productivity through training and education.

  • Physical capital provides material support for production.

  • Both are needed, but one is “people’s quality” and the other is “man-made resources.”

3. How do you think technology is changing how people develop their skills and knowledge?

Answer: 

  • Online courses (like SWAYAM) give free access to learning.

  • Technology allows people to study anytime, anywhere.

  • It connects learners with global job opportunities.

  • New tools (AI, robotics, GPS) make training more advanced.

  • Skills can now be updated quickly with changing times.

4. A skill is something you learn and practice to get better. It helps you do things well, like playing a sport, creative writing, solving math problems, cooking, or even communicating well with people. If you could learn one skill today, what would it be and why?

Answer(Sample Answer – you can change as per your choice)

  • I would learn coding and AI tools.

  • It is useful in almost every field today.

  • It helps in getting good jobs worldwide.

  • It improves problem-solving ability.

  • It can also help in creating my own startup.

5. Do you think entrepreneurship is the ‘driving force’ of production? Why or why not?

Answer

  • Yes, entrepreneurship brings together land, labour, and capital.

  • Entrepreneurs take risks and create new products.

  • They generate jobs for others.

  • They innovate and solve problems in society.

  • Without entrepreneurship, resources cannot be used fully.

6. Can technology replace other factors like labour? Is this good or bad? Support your answer with the help of an example.

Answer

  • Technology can reduce dependence on human labour (e.g., robots in factories).

  • It makes production faster and more efficient.

  • But it can also lead to job loss for workers.

  • Example: Machines in farming reduce need for farmers.

  • So, it is good for efficiency but bad if people lose jobs.

7. How do education and skill training affect human capital? Can they substitute for each other, or do they complement each other?

Answer

  • Education builds basic knowledge and thinking ability.

  • Skill training gives practical ability to do work.

  • Both improve productivity and income of workers.

  • They cannot substitute but must go together.

  • Together, they make strong human capital.

8. Imagine you want to start a business that produces steel water bottles. What kind of inputs are needed? How would you obtain them? Suppose one of the factors is missing; what happens to your business operations?

Answer

  • Land: factory space, electricity, water.

  • Labour: skilled workers for production and design.

  • Capital: machines, raw steel, money for investment.

  • Entrepreneurship: planning, marketing, and management.

  • If one factor is missing, production stops (e.g., no labour = no making of bottles).

9. Interview an entrepreneur or founder to understand their motivation to start a business and the opportunities and challenges they saw. You can work in pairs to create a questionnaire to collect the information and share what you have learned in a report.

Answer(Sample Answer – generalised from chapter)

  • Motivation: solve problems and earn livelihood.

  • Opportunities: demand for new products, local resources.

  • Challenges: lack of funds, competition, and skill shortage.

  • They work hard, take risks, and innovate.

  • They feel satisfied when their idea becomes successful.

10. Think like an economist. Let’s explore what happens when things change. If you were Ratna, what would you do in the following situations? Discuss with your classmates.

I. Suppose the rent for your space suddenly doubles.

ƒ Will you raise the price of the food served to cover the costs?

ƒ Will you look for a cheaper location?

ƒ How does this affect your business?

Answer

  • Raise food prices slightly.

  • Or shift to a cheaper location.

  • Business profits reduce if not managed.

II. Imagine one of your helpers quits suddenly.

ƒ Can the remaining workers manage the same amount of work?

ƒ Will you need to offer a higher salary to attract a new worker?

Answer

  • Workload increases on others.

  • May need to hire new staff with higher pay.

III. You receive a small loan to invest in better technology for your restaurant.

ƒ Will this increase the production or improve quality?

ƒ Will it help you reach more customers?

Answer: 

  • Improves food quality and speed.

  • Helps attract more customers.

IV. Suppose another restaurant opens in the neighbourhood.

ƒ How will you attract and keep your customers?

ƒ Will you improve your service, reduce prices, or offer something new?

Answer

  • Improve service and quality.

  • Offer discounts or unique dishes to compete.

V. What government laws or rules should be changed to improve the ease of doing business?

Answer

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To Learn More Click Below:

NCERT Solutions:

Chapter-1 Natural resources and Their Use - CLICK HERE

Chapter-2 Reshaping India's Political Map - CLICK HERE

Chapter-3 The Rise of the Marathas - CLICK HERE

Chapter-4 The Colonial Era in India - CLICK HERE

Chapter-5 Universal Franchise and India’s Electoral System - CLICK HERE

Chapter-6 The Parliamentary System Legislature and Executive - CLICK HERE

Chapter-7 Factors of Production - CLICK HERE

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