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Question

The passage cells in root endodermis are not suberised structure found :-

A
Just opposite to metaxylem element
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B
Distributed randomly
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C
Just opposite to pith rays
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D
Just opposite to protoxylem element
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Solution

The correct option is A Just opposite to metaxylem element
The correct answer is B.
The passage cells are found in the endodermis of dicot roots. The endodermis is the innermost layer of the cortex of plants. And the passage cells are any endodermal cell which allow the passage of elements between the vascular tissues and the cortex. Passage cells frequently occur in the endodermis and exodermis but are not ubiquitous in either layer. Passage cells occur in the form of short cells in the dimorphic type of exodermis.

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