Which of the Following is the Best Indicator of SO2 Pollution?

  1. Bryophyte
  2. Pteridophyte
  3. Lichen
  4. Alge
Anurag Mishra Professor Asked on 1st November 2015 in Biology.
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    Answer: (3) Lichen

    Anurag Mishra Professor Answered on 2nd November 2015.
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