With reference to lichens, which of the following statements is/are correct? 1. Lichens are very good indicators of air pollution. 2. Lichens grow well in polluted areas. Select the correct answer using the code given below.

उत्तर देखें और व्याख्या

उत्तर: (B) Only 1

व्याख्या

Lichens are highly sensitive to SO2, so they are bio-indicators of air pollution and do not grow in polluted areas.