Match List - I with List - II and select the correct answer from the codes given below: List - I List - II A. Vitamin B12 1. Magnesium B. Haemoglobin 2. Cobalt C. Chlorophyll 3. Copper D. Brass 4. Iron

• A. A - 2, B - 4, C - 1, D - 3
• B. A - 2, B - 1, C - 3, D - 4
• C. A - 4, B - 1, C - 2, D - 3
• D. A - 3, B - 4, C - 2, D - 1