1. Which of the following Indian city can boast of having the largest
deployment of rooftop solar water heaters–
(A) Ahmedabad (B) Bangalore
(C) Mumbai (D) Pune
(Ans : B)
2. Which of the following gases has the greatest impact on global climate
change?
(A) ozone (B) nitrous oxide
(C) carbon dioxide (D) nitrogen'
(Ans : C)
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