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 |
1
A - 2, B - 4, C - 1, D - 3
2
A - 2, B - 1, C - 3, D - 4
3
A - 4, B - 1, C - 2, D - 3
4
A - 3, B - 4, C - 2, D - 1