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  • Confused! kindly explain, Which of the following are most suitable indicators of SO2 pollution in the environment ?

Which of the following are most suitable indicators of SO2 pollution in the environment ?

  • Option 1)

    Conifers

  • Option 2)

    Algae

  • Option 3)

    Fungi

  • Option 4)

    Lichens

 

Answers (1)

best_answer

As we learnt in 

pioneer species -

The species that invade a bare area are called pioneer species.

- wherein

In primary succession on rocks these are usually lichens which are able to secrete acids to dissolve rock, helping in weathering and soil formation.

 

 

Lichens are widely used as environmental indicators or bio indicator. If air is badly polluted with SO2 there may be no lichens present.


Option 1)

Conifers

Incorrect

Option 2)

Algae

Incorrect

Option 3)

Fungi

Incorrect

Option 4)

Lichens

Correct

Posted by

Aadil

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