A) Show association between algae and fungi
B) Grow faster than others
C) Are sensitive to \[S{{O}_{2}}\]
D) Flourish in \[S{{O}_{2}}\]rich environment
Correct Answer: C
Solution :
Lichens are very sensitive to air pollution, particularly to higher \[S{{O}_{2}}\] concentration in the atmosphere. This \[S{{O}_{2}}\] causes plasmolysis of algae cells and converts chlorophyll of algae into pheophytin by removing Mg. Phaeophytin results in chlorosis and death of lichen.
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