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ICSE Board Specimen 2011 : Environmental Applications

3 pages, 36 questions, 10 questions with responses, 13 total responses,    0    0
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ENVIRONMENTAL APPLICATIONS (Two hours) Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the question paper. The time given at the head of this Paper is the time allowed for writing the answers. Section A is compulsory. Attempt any four questions from Section B. The intended marks for questions or parts of questions are given in brackets [ ] . SECTION A (40 Marks) Attempt all questions from this Section Question 1 (a) State any two consequences of siltation in waterways. [2] (b) What are toxic wastes? [2] (c) State the scope and limitation of biogas as a kitchen fuel. [2] (d) What is meant by community forestry? State its one importance. [2] (e) Suggest two methods which are implemented in Curitiba for traffic management. [2] (f) State two reasons for water recycling. [2] (g) Explain activated sludge. Give an example. [2] (h) What are CFC s? [2] (i) State three disadvantages associated with the construction of dams on waterways. [3] (j) Mention three advantages of hydel power over coal. [3] (k) Name a newly evolved technique of water management and explain it. [3] (l) What is Natural Resource Accounting? Give an example. [3] (m) Mention three advantages of Remote Sensing Satellites. [3] (n) State any three ways of controlling the traffic problem in a metropolitan city in India. (o) [3] Eco-friendly technologies, despite being environment friendly have not found many takers in India. Give three reasons justifying this statement. 140 [3] ICSE Specimen Question Paper

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