Sunday, November 29, 2009
Tuesday, November 24, 2009
Thursday, November 19, 2009
Saturday, November 7, 2009
1. Which is the largest mineral-based industry in India? Why is it called a key or basic industry?
The largest mineral-based industry in India is Iron and Steel Industry. It is called a basic or a key to other industries because many other industries depend on this.
2. Name four centres of this industry in the public sector concentrated in a single geographical region. With whose collaboration was each one of them set up?
Four centres of this industry in the public sector concentrated in a single geographical region are:
i. Bhilai Steel Plant (Russian Collaboration)
ii. Rourkela Plant (German Collaboration)
iii. Durgapur Plant (British Collaboration)
iv. Bokaro Plant (Russian collaboration)
3. Why is this industry concentrated in the Chhota Nagpur region? Which is the oldest and the privately owned plant?
This industry is concentrated in the Chhota Nagpur region, because of easy availability of its three basic raw materials- coal, iron ore, limestone, manganese. The oldest and the privately owned plant is the Jamshedpur Steel Plant.
4. Name four large-scale industries dependent on this industry? List two important products of petro-chemical industry.
The four large-scale industries dependent on this industry are:
i. Automobile industry – cars, trucks, tractors, buses, etc
ii. Shipbuilding Industry
iii. Machines, tools, light and Heavy engineering industry.
iv. Agricultural tools-tractors, combine harvesters, pumps, etc.
The products of petro-chemical industry are plastics, drugs, naphtha, petroleum, menthol, synthetic fibres, L.P.G. and kerosene.