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Mercury is a toxic substance that severely contaminates land, water, air and the food chain. Which among the following is/are source(s) of mercury pollution? I. Pesticides II. Dental amalgam fillings III. Fluorescent lamp IV. Coal-based thermal power plants
Correct Answer: (d)
Official keyThis question appeared in the CGPSC Prelims 2020 examination (GS). It is Question 14 out of 100 questions in this paper.
This question was part of the CGPSC Prelims 2020 (GS). The CGPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all CGPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.