They are found to be very sensitive to the levels contaminants like Sulphur dioxide in the air. They are commonly found growing on the bark of trees as a thin greenish-white crust. They are considered to be useful bioindicator for air pollution. Name the organism (A) Mycorrhiza (B) Lichens (C) Amoeba (D) Euglena

They are found to be very sensitive to the levels contaminants like Su

1.	They are found to be very sensitive to the levels contaminants like Sulphur dioxide in the air. They are commonly found growing on the bark of trees as a thin greenish-white crust. They are considered to be useful bioindicator for air pollution. Name the organism (A) Mycorrhiza (B) Lichens (C) Amoeba (D) Euglena
Answer» Correct answer is (B) Lichens

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