This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: nutrition and digestion, Subject name: Biochemistry
All the following are trace elements required by body except 
Select and explain. 
A. Zinc, B. Copper, C. Selenium, D. Boron
D: Boron
Answer: D: Boron 
Explanation: Major elements. Trace elements 1. Calcium. 1. Iron 2. Magnesium. 2. Iodine 3. Phosphorus. 3. Copper 4. Sodium. 4. Manganese 5. Potassium. 5. Zinc 6. Chloride. 6. Molybdenum 7. Sulfur. 7. Selenium 8. Fluoride.Ref: DM Vasudevan, page no: 411