- A Endodermis
- B Cortex
- C Epidermis
- D Pericycle
Correct answer: C. Epidermis
Explanation: The epidermis is the outermost single-cell layer covering the root. Root hair cells extend from the root epidermis and greatly increase the surface area for water and mineral absorption.
Concept context
Internal tissue organisation: meristems, permanent tissues (xylem, phloem, parenchyma), and secondary growth. Frequently tested in NEET.