Chapter-20 Industries — Online MCQ Test
SOCIAL · Samacheer Kalvi 8th · Tamil Nadu State Board
Practice Chapter-20 Industries with a free chapter-wise online MCQ test.
This chapter covers: Agro based Mineral based Marine based Public sector Private sector Explains the classification of industries based on raw materials ownership and size.
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter-20 Industries — Important Questions & Answers
What are industries mainly concerned with?
- A. Producing goods and services
- B. Only farming activities
- C. Only trade between countries
- D. Only transport services
Answer: A. Producing goods and services
Industries are economic activities that produce goods or provide services. They convert raw materials into useful products.
Industries are economic activities that produce goods or provide services. They convert raw materials into useful products.
Which of the following is a mineral-based industry?
- A. Sugar industry
- B. Cotton textile industry
- C. Iron and steel industry
- D. Fish processing industry
Answer: C. Iron and steel industry
Iron and steel industry uses minerals such as iron ore as its main raw material. Hence, it is a mineral-based industry.
Iron and steel industry uses minerals such as iron ore as its main raw material. Hence, it is a mineral-based industry.
The sugar industry is classified as an agro-based industry because it uses _____ as its raw material.
- A. Iron ore
- B. Sugarcane
- C. Coal
- D. Fish
Answer: B. Sugarcane
Sugar industry depends on sugarcane, which is an agricultural product. Therefore, it is agro-based.
Sugar industry depends on sugarcane, which is an agricultural product. Therefore, it is agro-based.
Which pair is correctly matched?
- A. Agro-based — Sugar industry
- B. Mineral-based — Jute industry
- C. Marine-based — Cotton textile industry
- D. Public sector — Owned by individuals only
Answer: A. Agro-based — Sugar industry
The sugar industry uses sugarcane, an agricultural raw material, so it is agro-based. The other pairs are incorrect.
The sugar industry uses sugarcane, an agricultural raw material, so it is agro-based. The other pairs are incorrect.
Which of the following is the best reason for classifying industries into agro-based, mineral-based, and marine-based?
- A. To know the colour of the products
- B. To identify the source of raw materials
- C. To decide the number of workers in each industry
- D. To measure the height of factories
Answer: B. To identify the source of raw materials
This classification is based on the raw materials used by industries. It helps us understand the source of production.
This classification is based on the raw materials used by industries. It helps us understand the source of production.