Which one of the following is the well known example of bioindicator of air pollution?
- A.Lichens
- B.Methyl mercury
- C.Rose plant
- D.Sunflower
Show answer
A bioindicator is a living organism whose presence, absence or health tells us about the quality of the environment. Lichens are a partnership between a fungus and an alga or cyanobacterium; they have no roots and take water and nutrients straight from the air and rain.
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