Lichens are sensitive to certain air pol...

Lichens are sensitive to certain air pollutants and are often replaced by other plants. From the given options choose the best combination of sensitivity and replacement of lichens.

Sulphur dioxide and moss

Sulphur dioxide and algae

Carbon dioxide and ferns

Sulphur dioxide and grass

Verified by Experts

The correct Answer is:

Lichens show sensitivity towards sulphur, nitrogen, hydrogens, halogens, heavy metals and ozone. They can be replaced by moss.

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Lichens are very sensitive to________________ pollutant ?

`CO`

`CO_(2)`

`NO_(x)`

`SO_(2)`

A = 3, B = 4, C = 2, D = 1

A = 4, B = 3, C = 2, D = 1

A = 2, B = 3, C = 24 D = 1

A = 1, B = 4, C = 2, D = 3

A = 1, B = 5, C = 4, D = 3 , E = 2

A = 2, B = 1, C = 5, D = 4 , E = 3

A = 3, B = 2 , C = 1 , D = 5, E = 4

A = 5, B = 4, C = 1, D = 2, E = 3