253
Question
Why do not lichens occur in Delhi whereas they commonly grow in Manali or Darjeeling?
Why do not lichens occur in Delhi whereas they commonly grow in Manali or Darjeeling?
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Solution
- Lichens are the symbiotic association of algae and fungi.
- They are highly sensitive to sulfur dioxide (SO2) pollution in the air from automobiles and other factories.
- Delhi has maximum air pollution due to a large number of vehicles compared to Manali and Darjeeling.
- This is the reason that lichen does not grow in Delhi.
- Lichens are the symbiotic association of algae and fungi.
- They are highly sensitive to sulfur dioxide (SO2) pollution in the air from automobiles and other factories.
- Delhi has maximum air pollution due to a large number of vehicles compared to Manali and Darjeeling.
- This is the reason that lichen does not grow in Delhi.
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