CBSE Class 10 Social Science Manufacturing Industries MCQs Set 06

Answer: (c) Secondary

Explanation:
1. Manufacturing involves processing raw materials into finished goods, which places it in the secondary sector.

Teacher's Note:
a) Manufacturing belongs to the secondary sector.
b) The primary sector extracts raw materials; the secondary sector processes them.

Answer: (b) Public sector, private sector, joint and cooperative sectors

Explanation:
1. Ownership-based classification gives four categories: public sector, private sector, joint sector and cooperative sector.

Teacher's Note:
a) Ownership-based classification has four categories: public, private, joint, cooperative.
b) The other options classify industries by scale, product role, or raw material instead.

Answer: (d) Joint sector industries

Explanation:
1. Joint sector industries are owned jointly by the state and private individuals or companies, for example Oil India Ltd (OIL).

Teacher's Note:
a) Joint sector = part-state, part-private ownership.
b) Example: Oil India Ltd (OIL).

Answer: (c) TISCO

Explanation:
1. TISCO (Tata Iron and Steel Company) is a private sector industry.
2. BHEL and SAIL are public sector; OIL is a joint sector undertaking.

Teacher's Note:
a) TISCO is privately owned (Tata group).
b) BHEL and SAIL are public sector; OIL is joint sector.

Answer: (d) All of these

Explanation:
1. Silk/woollen textiles, sugar, cotton, jute and edible oil are all agro-based industries, drawing their raw material from agriculture.

Teacher's Note:
a) All of these industries use agricultural produce as their raw material.
b) This makes them agro-based industries.

Answer: (b) Mumbai

Explanation:
1. India's first textile mill was established in Mumbai.

Teacher's Note:
a) Mumbai was the site of India's first textile mill.
b) Mumbai (and later Ahmedabad) became early centres of the cotton textile industry.

Answer: (b) 18th century

Explanation:
1. Powerlooms came into use after the 18th century, as mechanisation of textile production began.

Teacher's Note:
a) Powerlooms are an 18th-century-onward development.
b) Before that, cotton textiles were produced by hand spinning and handloom weaving.

Answer: (c) SAIL

Explanation:
1. SAIL (Steel Authority of India Limited) is the public-sector body through which public-sector steel is mostly marketed.

Teacher's Note:
a) SAIL handles marketing for public-sector steel.
b) BHEL makes heavy electrical equipment, not steel; TISCO is private sector.

Answer: (d) Iron and Steel Industry

Explanation:
1. The iron and steel industry is the basic industry that supplies machinery-making material to all other industries, light, medium and heavy.

Teacher's Note:
a) Iron and steel is the basic industry supplying machinery to all others.
b) This is why it's called the backbone of modern industry.

Answer: (a) Chhotanagpur Plateau

Explanation:
1. The Chhotanagpur Plateau region has the maximum concentration of iron and steel industries in India, due to its rich mineral deposits.

Teacher's Note:
a) Chhotanagpur Plateau has India's densest cluster of iron and steel plants.
b) This is due to easy access to iron ore, coal and other minerals in the region.

Answer: (a) Both A and R are correct and R is the correct explanation of A.

Explanation:
1. The iron and steel industry truly is the basic industry, and this is precisely because all other industries depend on it for their machinery — so R correctly explains A.

Teacher's Note:
a) Both statements are true, and R directly explains why A is true.
b) This makes iron and steel the foundation industry for all others.