Multiple choice

The layer of cells around the vascular tissues (xylem and phloem) in the roots of plants is called

  1. endodermis

  2. epidermis

  3. root cortex

  4. None of these

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A Correct answer
Explanation

The endodermis is the innermost layer of the cortex in plant roots. It surrounds the vascular cylinder and regulates the flow of water into the xylem.