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What Is Xerarch Succession

Assertion :Mo...

Question

Assertion :Mosses along with lichens are the first organisms to colonize rocks. Reason: They decompose rocks by secereting acid substances.

A

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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B

Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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C

Assertion is correct but Reason is incorrect

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D

Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Mosses are important link in plant succession on rocky area. They take part in building soil in rock crevices formed by lichen. They along with lichen are the first organism to colonize rocks. They do this by decomposing rock by secreting acid substance.
So the correct answer is 'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion'.

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(b) Assertion and reason both are wrong statements.
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