Iron supplied as inorganic salts becomes unavailable because it precipitates as:
That points to C: Iron hydroxide. Compared with the other options, Iron hydroxide is the one that correctly describes the MINERAL Transport concept. The wrong ones are A) Iron nitrate; B) Iron oxide; D) Iron chloride. 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.
