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Question

In stem, cork cambium originates from some

A
Outer cells of cortex
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B
Fascicular and interfascicular cambium
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C
Inner cells of cortex
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D
Endodermis
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Solution

The correct option is A Outer cells of cortex

A ring of meristematic tissue formed by the dedifferentiation of outer cells of cortex (parenchyma) present in the general cortex of dicot stem, during extra stelar secondary growth. It is called Cork cambium or phellogen.

So, the correct option ‘Outer cells of cortex’.


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