Question

A location with luxuriant growth of lichens on the trees indicated that the :

• A. Trees are heavily infested.
• B. Location is highly polluted.
• C. Location is not polluted.
• D. Trees are very healthy.

Answer 1

The correct option is C Location is not polluted.

Lichens are sensitive to air pollution and hence they are absent in polluted areas. An extensive grwth of lichens indicate that the location is unpolluted.

So the correct option is C.