The secondary wall material suberin deposited on the walls of
A
Phellogen and Phelloderm
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B
Epidermis of stem and Endodermis of root
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C
Pericycle of stem and Endodermis of root
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D
Phellem of stem and Endodermis of root
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Solution
The correct option is D Phellem of stem and Endodermis of root Suberin is a fatty material which is deposited on the certain cells of the plants. The material is deposited on the phellem cells in the stem and the endodermal cells of the root. On the endodermis, the suberin deposition results in the formation of the Casparian strips which prevents the flow of water.