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Question

In which of the following layer is the casparian strip seen?

A
Endodermis
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B
Peridermis
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C
Epidermis
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D
Exodermis
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Solution

The correct option is A Endodermis
Plant roots are complex structures, and are made up of different types of layers and cells.
Going inwards from the root surface, the various layers in order are - the 'outer epidermis' made up of a single layer of cells, the 'middle cortex' made of several layers, a single layer called the 'endodermis', and finally, the 'vascular cylinder'.
Of all these layers, the location of the Casparian strip is only in the endodermis.

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