Assertion :Simple epithelium does not cover surfaces exposed to mechanical or chemical abrasions. Reason: Protection of underlying tissues is the function of simple epithelium.

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

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

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Assertion is correct but Reason is incorrect.

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Both assertion and reason are incorrect.

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Solution

The correct option is D Both assertion and reason are incorrect.
Simple squamous epithelium is present in the lining of blood vessels, lung alveoli. The transportation of substances occurs through this lining of the simple epithelium. It forms a selectively permeable membrane. It protects the underlying tissue from injury. It covers surfaces exposed to mechanical or chemical abrasions. Thus they help in recovery from the wound. The function of squamous epithelium is to protect the underlying tissues. Higher protection is provided by the stratified epithelium.
So, the correct answer is option D.

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