Assertion :In dicot stem, endodermis is also called as starch sheath Reason: The cells of the endodermis are rich in starch grains

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The cells of the endodermis are rich in starch grains therefore layer is also referred to as the starch sheath.
Dicot stem endodermis is the innermost layer of cortex represented by compactly arranged barrel-shaped cells, without any intercellular spaces. The endodermis is wavy in appearance. So both assertion and reason are correct.
Hence, the correct answer is an option (A).

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