How many marks does "Manufacturing Industries" carry in Bihar Board Class 10 Social Science?

In the Bihar Board papers of 2021–2026, this chapter carried about 1 marks and about 2 questions a year; by marks it ranks 23 in Social Science.

Which are the most important (VVI) questions of "Manufacturing Industries"?

The 3 questions above are from the board’s real papers, each with the years it was asked; the most-asked come first with their full model answers. All 3 written questions of this chapter, with answers, are in the AskMedha app.

Do the answers follow the board’s marking scheme?

BSEB does not publish a marking scheme. Each answer is written point by point on a structure derived from past papers and checked by a second, independent model; it is never called the board’s official scheme.

Bihar Board Class 10 · Social Science · Matric exam 2027

Chapter 3: Manufacturing Industries

This chapter’s questions from Bihar Board (BSEB)’s real papers of 2016–2026 — the 3 asked most often, 3 with the full model answer — and objective questions with the board’s key.

marks a year (about): 1
questions a year (about): 2
rank in Social Science: #23

From 6 years of papers, 2021–2026 · full chapter-wise marks

Chapter 3 notes (PDF) →

VVI questions — the ones the board asked most (3)

Q1Long answer4 marksAsked: 2026
Differentiate between the public and private sector industries.
Medha Ma’am
AskMedha’s AI teacher
Model answer · public and private sector industries
1. 1.Public sector industries are those industries which are run by government itself. These industries are owned and operated by the government or its agencies. Iron and Steel Industries of Durgapur, Bhilai and Raurkela are examples of public sector industries. BHEL (Bharat Heavy Electric Limited) and SAIL (Steel Authority of India) are also public sector industries.1 mark
2. 2.Private sector industries are those industries which are owned and operated by an individual or a group of private companies. These industries are established and managed by private persons or private companies without direct government ownership.1 mark
3. 3.The main objective of public sector industries is to provide public welfare and social service. Since these industries are run by the government, their aim is not to earn profit but to serve the general public and to help in the overall development of the country.1 mark
4. 4.The main objective of private sector industries is to earn maximum profit. Since these industries are owned by individuals or private companies, their main aim is to gain the largest possible profit from their business and production activities.1 mark
- Write that public sector industries 'are run by government itself' and give examples like Durgapur, Bhilai, Raurkela, BHEL, SAIL.
- State clearly that private sector industries are 'owned and operated by an individual or a group of private companies'.
- Mention the objective words 'public welfare and social service' for public sector and 'maximum profit' for private sector separately.
Marks split from a structure derived from past papers (checked twice); not Bihar Board’s official scheme
Q2Short answer2 marksAsked: 2024
Define thermal pollution.
Medha Ma’am
AskMedha’s AI teacher
Model answer · thermal pollution, definition
1. 1.Thermal pollution is the pollution caused when hot water from industries and thermal power plants is released into water bodies without cooling.1 mark
2. 2.This hot water increases the water temperature of the water body, which adversely affects the dissolved oxygen level and the life of aquatic organisms and the whole ecosystem.1 mark
- Write the exact phrase 'hot water from industries and thermal power plants is released into water bodies without cooling'.
- Mention both 'aquatic organisms' and 'dissolved oxygen' to earn the second point.
- Do not add causes, effects beyond pollution, or remedies since the question only asks for the definition.
Marks split from a structure derived from past papers (checked twice); not Bihar Board’s official scheme
Q3Short answer2 marksAsked: 2026
What is footloose industry ?
Medha Ma’am
AskMedha’s AI teacher
Model answer · footloose industry
1. 1.Footloose industries are those industries which do not depend on any specific raw material and can be established anywhere.1 mark
2. 2.These industries mainly use light components and are least affected by transportation cost.1 mark
- Begin with the exact term 'Footloose industries' and state they do not depend on any specific raw material.
- Write that they can be established anywhere.
- Mention 'light components' and 'transportation cost' in the second point.
Marks split from a structure derived from past papers (checked twice); not Bihar Board’s official scheme

Objective questions with the board’s key (10)

1. Bihar Board 2026
Which raw material is required for manufacturing cement ?
- (A) Limestone
- (B) Bauxite
- (C) Gypsum
- (D) All of these ✓
Answer: (D)
2. Bihar Board 2026
Which steel plant was established with the collaboration of Britain ?
- (A) Rourkela steel plant
- (B) Durgapur steel plant ✓
- (C) Bokaro steel plant
- (D) Bhilai iron and steel plant
Answer: (B)
3. Bihar Board 2026
Which among the following is called the father of industries ?
- (A) Cement industry
- (B) Iron and steel industry ✓
- (C) Textile industry
- (D) Automobile industry
Answer: (B)
4. Bihar Board 2026
With whose cooperation was the Rourkela Steel Plant established ?
- (A) Britain
- (B) Russia
- (C) France
- (D) Germany ✓
Answer: (D)
5. Bihar Board 2025
Where is Kaiga Nuclear Power Plant located ?
- (A) Tamil Nadu
- (B) Karnataka ✓
- (C) Kerala
- (D) Uttar Pradesh
Answer: (B)
6. Bihar Board 2025
How many public sector oil refineries are functioning in India ?
- (A) 18 ✓
- (B) 20
- (C) 23
- (D) 25
Answer: (A)
7. Bihar Board 2025
Under whose control is the management of all the iron and steel plants in the public sector of India?
- (A) TISCO
- (B) SAIL ✓
- (C) BHEL
- (D) None of these
Answer: (B)
8. Bihar Board 2025
Bhilai Steel Plant was established with the cooperation of which country?
- (A) Britain
- (B) Russia ✓
- (C) Germany
- (D) France
Answer: (B)
9. Bihar Board 2025
Which is the oldest oil refining unit in India?
- (A) Digboi ✓
- (B) Mathura
- (C) Barauni
- (D) Jamnagar
Answer: (A)
10. Bihar Board 2025
Where was the first fertilizer plant of India established ?
- (A) Chunar
- (B) Korba
- (C) Burnpur
- (D) Sindri ✓
Answer: (D)

Questions parents and students ask

How many marks does "Manufacturing Industries" carry in Bihar Board Class 10 Social Science?: In the Bihar Board papers of 2021–2026, this chapter carried about 1 marks and about 2 questions a year; by marks it ranks 23 in Social Science.
Which are the most important (VVI) questions of "Manufacturing Industries"?: The 3 questions above are from the board’s real papers, each with the years it was asked; the most-asked come first with their full model answers. All 3 written questions of this chapter, with answers, are in the AskMedha app.
Do the answers follow the board’s marking scheme?: BSEB does not publish a marking scheme. Each answer is written point by point on a structure derived from past papers and checked by a second, independent model; it is never called the board’s official scheme.

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.

Start About the course

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