Which one of the following is the well known example of bioindicator of air pollution ?
[UPPSC 2019]
1) Lichens
2) Methyl mercury
3) Rose plant
4) Sunflower
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Which one of the following is the well known example of bioindicator of air pollution ?
[UPPSC 2019]
1) Lichens
2) Methyl mercury
3) Rose plant
4) Sunflower
1) Lichens
The correct answer is Lichens.
Lichens are a well-known example of bioindicators of air pollution.
Key Points
Lichens live on surfaces such as trees or rocks or soil, are very sensitive to toxins in the air.
They obtain their nutrients mostly from the air.
Additional Information
Bioindicators:
Bioindicators are living organisms which are utilized to screen the health of the natural ecosystem in the environment.
Examples of bioindicators are plants, planktons, animals, and microbes.