Question:
Discuss the steps to be taken to minimize environmental degradation by industry?
Answer:
Minimizing the use of water for processing by reusing and recycling it, is done in two or more successive stages.
(i) Harvesting of rainwater to meet water requirements.
(ii) Treating hot water and effluents before releasing them into rivers and ponds.
Treatment of industrial effluents can be done in three phases:
(a) Primary treatment by mechanical means.
This involves screening, grinding, flocculation and sedimentation.
(b) Secondary treatment by biological process.
(c) Tertiary treatment by biological, chemical and physical processes. This involves recycling of waste water.
Manufacturing Industries
Q 1.
List four agro based industries.
Q 2.
Mention 4 raw materials needed for a cement industry.
Q 3.
Name the three physical factors that affect location of industries.
Q 4.
Name two iron and steel producing plants each of Karnataka and West Bengal.
Q 5.
Name any three physical factors that affect location of the industry.
Q 6.
How do industries pollute the environment?
Q 7.
What is the annual production of cement in the country at present?
Q 8.
Name two most important sugar producing states of India.
Q 9.
Name three major air pollutants.
Q 10.
What are light industries?
Q 11.
How does industrial pollution degrade environment?
Q 12.
Why are most of the jute mills of India located in West Bengal?
Q 13.
Describe briefly the distribution of railway equipments industries in India.
Q 14.
Name three human inputs that control location of industries.
Q 15.
Discuss the steps to be taken to minimize environmental degradation by industry?
Q 16.
Describe the distribution of ship-building industry in India.
Q 17.
three human inputs that control location of industries.
Q 18.
Name five electronic goods producing centres of India.
Q 19.
Name four important cotton textile centres of Maharashtra.
Q 20.
How does industrial pollution degrade environment?
Q 21.
Why is the iron and steel industry located in Peninsular India only?
Q 22.
Describe the distribution of ship-building industry in India.
Q 23.
How do industries pollute the environment?
Q 24.
Name the important raw materials used in the manufacturing of cement?
Q 25.
Why are most of the jute mills of India located in West Bengal?
Q 26.
What is manufacturing?
Q 27.
Why is the iron and steel industry located in Peninsular India only?
Q 28.
Describe briefly the distribution of silk textile industry in India.
