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WHO recommends water should be tested for which of the following indicator organisms to assess bacterial contamination?
This question appeared in the SPSC Prelims 2025 examination (GS). It is Question 79 out of 100 questions in this paper.
This question was part of the SPSC Prelims 2025 (GS). The SPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all SPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.