A. Sulphur | 3. Methionine (Sulphur is present in this amino acid) |
B. Zinc | 4. Auxin (Zinc is present in this hormone) |
C. Magnesium | 1. Chlorophyll (Mg is the central atom in it) |
D. Molybdenum | 2. Nitrogenase (it is very important for the working of this enzyme) |