1. Irritation in eyes is caused by the pollutant
(A) Sulphur di-oxide
(B) Ozone
(C) PAN
(D) Nitrous oxide
2. Which is the source of chlorofluorocarbons ?
(A) Thermal power plants
(B) Automobiles
(C) Refrigeration and Airconditioning
(D) Fertilizers
3. Which of the following is not a renewable natural resource ?
(A) Clean air
(B) Fertile soil
(C) Fresh water
(D) Salt
4. Which of the following parameters is not used as a pollution indicator in water ?
(A) Total dissolved solids
(B) Coliform count
(C) Dissolved oxygen
(D) Density
5. S and P waves are associated with
(A) floods
(B) wind energy
(C) earthquakes
(D) tidal energy
6. Match Lists I and II and select the correct answer from the codes given below :
List – I List – II
(i) Ozone hole (a) Tsunami
(ii) Greenhouse effect (b) UV radiations
(iii) Natural hazards (c) Methane
(iv) Sustainable development (d) Eco-centrism
Codes :
(i) (ii) (iii) (iv)
(A) (b) (c) (a) (d)
(B) (c) (b) (a) (d)
(C) (d) (c) (a) (b)
(D) (d) (b) (c) (a)
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