CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Taxonomy

How lichens h...

Question

How lichens help in indicating the pollutants in air?

Open in App

Solution

Lichens are very sensitive to the levels of contaminants like sulphur dioxide in the air. Lichens generally grow on the barks of the trees. The trees on the road-side do not show this lichen growth, if in any area the growth of lichens decreases or vanishes the air will be polluted.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Lichens indicate pollution by

Q. How many of the following statements are true?

I. Mosses and lichens can not only indicate the existence of air pollution but can also help in measuring air quality
II. Some species of mosses are highly sensitive to increased levels of nitrogen in the atmosphere
III. Growth of lichens indicate that coal has not been burnt in the area for quite some time
IV. Old man’s beard is a type of moss that grows only when air has high levels of sulphur dioxide

Q. Lichens indicate

{SO}_{2}

pollution because they

Q. Lichens are used as pollution indicators because ___________.

Lichens are bioindicators of air pollution because:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Taxonomy

BIOLOGY

Watch in App

explore_more_icon

Explore more

Standard IX Biology

Join BYJU'S Learning Program

CrossIcon