Class 10 Geography Chapter 6 Manufacturing Industries Question answer PDF for CBSE and other State Boards where NCERT is Followed.
Manufacturing Industries Class 10 Social Science Question Answer
Q. 1. Choose the correct answer out of the four alternatives given
(i) Which one of the following industries uses limestone as a raw material?
Ans – (B) Cement.
(ii) Which one of the following agencies, market steel for the public sector plants ?
(C) TATA Steel
Ans – (B) SAIL.
(iii) Which of the following industries uses bauxite as a raw Material?
Ans – (A) Aluminium.
(iv) Which one of the following industries manufactures telephones, computer, etc.
(D) Information Technology
Ans – (D) Information Technology.
(v) Where among the following options would it be ideal to locate an aluminium industry ?
(A) Near the mine of bauxite
(B) Near the aluminium smelter
(C) Near the factory of plastic handles
(D) Near the market.
Ans – (B) Near the aluminium smelter.
(vi) In which one of the following States are sixty per cent of India’s steel units located ?
(A) Karnataka and Tamil Nadu
(B) Uttarakhand and Bihar
(C) Punjab and Haryana
(D) Jharkhand and Orissa.
Ans – (D) Jharkhand and Orissa.
Q. 2. Answer the following briefly in not more than 30 words.
Q. (i) What is manufacturing ?
Ans – The processing of raw materials into useful products is called manufacturing. It converts primary products into secondary products. Valuable goods are manufactured on a large scale such as sugar from sugarcane.
Q. (ii) Name any three physical factors for the location of an industry.
Ans – Industries are located near sources of raw material, power resources and climate.
Q. (iii) Name any three human factors for the location of an industry.
Ans – Industries are located where cheap labour, capital and efficient means of transportation are available.
Q. (iv) What are basic industries ? Give an example.
Ans – Basic industries are called key industries. These supply the products or raw materials to manufacture other goods such as iron and steel, copper etc.
Q. (v) Name the important raw materials used in manufacturing of cement.
Ans – Cement industry uses limestone, silica, alumina, gypsum and coal.
Q. 3. Write the answer of the following questions in 40-60 words.
Q. (i) How are integrated steel plants different from mini steel plants ? What problems does the industry face ? What recent developments have led to a rise in the production capacity ?
Ans – Integrated Steel Plant- An integrated steel plant is a large unit. It handles everything in one complex. These collect raw materials to make steel, rolling and shaping.
Mini Steel Plant- Mini steel plants are smaller units. These have electric furnaces. These use steel scrap and sponge iron. These have re-rollers that use steel ingots as well. These produce mica and alloy steel.
Problems of Iron and Steel Industry.
(i) High cost of production.
(ii) Limited availability of coking coal.
(iii) Lower productivity of labour.
(iv) Irregular supply of energy.
(v) Poor infrastructure.
Recent Developments- Some developments have increased the production capacity of this industry such as:
(ii) Private ownership.
(iii) Foreign direct investment.
(iv) Resources for research and development have been increased.
Q. (ii) How do industries pollute the environment ?
Ans – Environmental pollution is becoming a serious problem for mankind. Industries have caused Air, Water, Land and Noise pollution. Sulphur dioxide and carbon monoxide gases cause air pollution. Smoke from chemical industries and burning of fossil fuels cause hazards. Bhopal Gas Tragedy is one example. Industrial waste causes water pollution. Wastes from Nuclear plants cause cancer. Industrial processes cause noise pollution.
Q. (iii) Discuss the steps to be taken to minimise environmental degradation by industry.
Ans – Some steps are being taken to check environmental degradation :
(i) By reusing and recycling of water.
(ii) Harvesting of rain water.
(iii) Treatment of river water.
(iv) Regulating overuse of ground water.
(v) Noise absorbing materials be used.