Which of the following are most suitable indicators of SO2 pollution in the environment?
1. Lichens
2. Conifers
3. Algae
4. Fungi
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA location with luxuriant growth of lichens on the trees indicates that the:
1. Trees are very healthy
2. Trees are heavily infested
3. Location is highly polluted
4. Location is not polluted
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology