Assertion :Materials cannot be exchanged between epithelial cells. Reason: Blood vessels are absent in epithelial tissue.

If both the assertion and the reason are true and the reason is correct explanation of the assertion.

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If both the assertion and the reason are true but the reason is not correct explanation of the assertion.

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If the assertion is true but the reason is false

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If both the assertion and reason are false

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Solution

The correct option is A If both the assertion and the reason are true and the reason is correct explanation of the assertion.
Though blood vessels are absent in epithelial tissues, exchanges of materials takes place in them. Materials are exchanged between epithelial cells and vessels of the connective tissue by diffusion across the basement membrane. Also though osmosis and filtration , epithelial tissue exchange materials (e.g., epithelial tissue of pulmonary vein , Bowman's capsule etc. )

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