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Environmental Application class X 2017 Model Questions Section A (40 Marks) Attempt all questions from this section Question 1 (a) (b) (c) (d) (e) (f) (g) (h) (i) (j) (k) (l) (m) (n) (o) (p) Define EIA [2] State the scope and limitation of biogas as kitchen fuel. [2] What is Gray Water ? Give one way how it can be used? [2] What is meant by Globalization Index? [2] What is meant by depletable cost? [2] What is debt trap? [2] Give two advantages of biofuel. [2] What are Euro 1 and Euro2? [2] Mention three advantages of hydel power over coal. [3] As a responsible citizen of the nation what steps will you take to reduce the use of plastics? [3] Comment on the eco friendliness of Khadi. [3] What is meant by contour bunding? List two advantages of it. [3] Give two advantages of using Electrostatic precipitator. What is its working principle? [3] Give three examples of eco friendly technology used by us. [3] Name two international norms on air pollution. How are they drawn? [3] What is clean coal? Give two ways how it can be economically beneficial. [3] Section B (60 Marks) Attempt any four from the given six Question 2 (a) (b) (c) Name the traditional water harvesting system in Tamil Nadu. Give account of its structure. [5] Describe any three modern fishing methods. What is the harm caused by such methods? [5] Explain the need to conserve wetlands. [5] Question 3 (a) (b) (c) What are Hybrid vehicles? List any three advantages. [5] What is remote sensing? How can it be used to monitor the environment? [5] Explain the three aspects of social forestry. Which type of place is usually chosen for social forestry? [5] Question 4
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