Loading...
Loading...
Which one of the following is the well-known example of bio-indicator of air pollution?
This question appeared in the UPPSC Prelims 2019 examination (GS-I). It is Question 59 out of 219 questions in this paper.
This question was part of the UPPSC Prelims 2019 (GS-I). The UPPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all UPPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.