CBSE Class 10 Social Science: Chapter 19 NCERT Solutions

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NCERT Solutions PDF Class 10 PDF

This chapter delves into the crucial concept of manufacturing industries, a cornerstone of economic development. The NCERT Solutions for Class 10 Social Science, Chapter 19, provide clear explanations and answers to key questions. Students will explore what manufacturing entails, the essential raw materials used by various industries like cement and aluminium, and the factors influencing the location of industries. The solutions also touch upon the role of public sector undertakings in marketing essential commodities like steel. These solutions are designed to help students grasp the fundamental principles of industrial production and its economic significance, aiding in effective exam revision.

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Quick info

BoardCBSE
ClassClass 10
SubjectSocial Science
Session2026
LanguageEnglish
TypeNCERT Solutions
ChapterChapter 19

Chapter summary

Chapter 19 of the Class 10 Social Science curriculum focuses on Manufacturing Industries. These NCERT Solutions cover the definition of manufacturing, identify raw materials for key industries such as cement and aluminium, and list physical factors essential for industrial location. The solutions also highlight the marketing role of public sector units like SAIL in the steel industry, providing a foundational understanding of industrial processes and their geographical influences.

Learning outcomes

  • Define manufacturing and its economic importance.
  • Identify raw materials for key industries like cement and aluminium.
  • List and explain physical factors influencing industrial location.
  • Understand the role of public sector agencies in marketing industrial products.

Topics covered

Paper topics

  • Manufacturing Industries
  • Definition of Manufacturing
  • Raw Materials
  • Cement Industry
  • Aluminium Industry
  • Steel Industry
  • Electronic Industry
  • Physical Factors of Industrial Location
  • Public Sector Undertakings
  • SAIL

Important topics

  • Definition and importance of manufacturing
  • Raw materials for key industries (Cement, Aluminium)
  • Physical factors affecting industrial location
  • Role of SAIL in the steel sector

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Questions and Solutions

Q.1A

Which one of the following industries uses limestone as a raw material?
  1. Aluminium
  2. Cement
  3. Sugar
  4. Jute
Solution: The correct option is Cement. The cement industry primarily uses limestone, along with other materials like shells and chalk, as its essential raw material for production.

Q.1B

Which one of the following agencies markets steel for the public sector plants?
  1. HAIL
  2. SAIL
  3. TATA Steel
  4. MNCC
Solution: The agency that markets steel for public sector plants is SAIL (Steel Authority of India Limited). SAIL is a major state-owned steel-making company that plays a crucial role in supplying steel.

Q.1C

Which one of the following industries uses bauxite as a raw material?
  1. Aluminium
  2. Cement
  3. Jute
  4. Steel
Solution: The correct option is Aluminium. Bauxite is the principal ore from which aluminium is extracted, making it the fundamental raw material for the aluminium industry.

Q.1D

Which one of the following industries manufactures telephones, computers, etc.?
  1. Steel
  2. Aluminium
  3. Electronic
  4. Information Technology
Solution: The Electronic industry is responsible for manufacturing items such as telephones and computers. Firms within this sector specialize in producing electronic goods.

Q.2A

Answer the following briefly in not more than 30 words. What is manufacturing?
Solution: Manufacturing is the process of transforming raw materials into finished goods on a large scale. This process adds value, as the finished products are typically more valuable than the initial raw materials, leading to profits for the firms involved.

Q.2B

Answer the following briefly in not more than 30 words. Name any three physical factors for the location of the industry.
Solution: Three important physical factors that influence the location of an industry are:
  1. Availability of raw materials
  2. Suitable climate conditions
  3. Availability of suitable land and topography

Common mistakes

  • Confusing raw materials with finished products.
  • Incomplete listing of factors for industrial location.
  • Misidentifying agencies responsible for marketing specific industrial goods.

Revision tips

  • Focus on understanding the definition of manufacturing and its value addition.
  • Memorize the primary raw materials for major industries discussed.
  • List and briefly explain the physical factors required for setting up industries.
  • Review the roles of different agencies in the production and marketing chain.

Practice MCQs

Q1. Which of the following raw materials is primarily used in the manufacturing of cement?

Q2. Which public sector agency is responsible for marketing steel produced by public sector plants?

Q3. Bauxite is the primary raw material for which of the following industries?

Q4. Which of the following is considered a physical factor for the location of an industry?

Q5. Manufacturing is best described as:

Frequently asked questions

What is manufacturing according to NCERT Class 10 Social Science?

Manufacturing is the process of producing finished goods of more value from raw materials. This large-scale production of goods from raw materials leads to significant profits and economic growth.

What are the main raw materials for the cement industry?

The primary raw materials used in the manufacturing of cement are limestone, shells, and chalk.

Which industry uses bauxite as its main raw material?

The aluminium industry uses bauxite as its primary raw material, as bauxite is an ore rich in aluminium.

Name some physical factors that determine the location of an industry.

Key physical factors influencing industrial location include the availability of raw materials, climate, suitable land, and topography.

Which agency markets steel for public sector plants in India?

Steel Authority of India Limited (SAIL) is the public sector undertaking responsible for marketing steel produced by public sector plants.

How do these NCERT Solutions help in exam preparation?

These solutions provide clear, concise, and accurate answers to chapter-specific questions, helping students understand key concepts, revise important facts, and build confidence for their exams.

Important links

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