| List I (Plant Derived Substance) | List II (Original Source) | ||
| A. | Morphine | I. | Taxus brevifolia |
| B. | Quinine | II. | Artemisia annua |
| C. | Artemisinin | III. | Chinchona ledgeriand |
| D. | Taxol | IV. | Papover somniferum |
| List I (Soil Colour) | List II (Characteristic compound) | ||
| A. | Black | I. | Organic matter and Iron Oxides |
| B. | Red/Brown/Yellow | II. | Quartz |
| C. | Brown | III. | Titeniferous and magnetite compounds |
| D. | White/Lighter colours | IV. | Iron and manganese oxides |