Assertion :The middle lamella is a layer made up of calcium pectate. Reason: It holds the different neighbouring cells together.

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 B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Middle lamella is a thin, amorphous and cementing layer between the primary walls of two adjacent cells. Middle lamella is the first layer which is formed from cell plate between newly formed daughter cells at the time of cytokinesis. Middle lamella is absent on the outer side of surface cells. It is made up of calcium and magnesium pectates.

So, the correct answer is 'Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion'.

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