A farmer observes that his crops are turning yellow (chlorosis) due to a specific mineral deficiency in the soil. Which element is missing?
Q1. A farmer observes that his crops are turning yellow (chlorosis) due to a specific mineral deficiency in the soil. Which element is missing?
Answer: Magnesium
Explanation: Magnesium is the central atom of the chlorophyll porphyrin ring; Iron is required for synthesis but is not part of the molecule.