Transport of mineral ions in xylem is driven mainly by:
That points to C: Transpiration pull. Compared with the other options, Transpiration pull is the one that correctly describes the MINERAL Transport concept. The wrong ones are A) Root pressure; B) Diffusion; D) Capillarity. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
