- A Transport food sugars from leaves down to roots
- B Transport water and minerals from roots to leaves
- C Provide structural support to the stem alone
- D Store starch reserves within the pith tissue
Correct answer: B. Transport water and minerals from roots to leaves
Explanation: Xylem conducts water and dissolved minerals from roots upward to all parts of the plant. It also provides mechanical support. Xylem flow is one-directional (upward).
Concept context
Internal tissue organisation: meristems, permanent tissues (xylem, phloem, parenchyma), and secondary growth. Frequently tested in NEET.