List I | List II | ||
|---|---|---|---|
| A | The structures used for storing of food. | I | Gizzard |
| B | Ring of 6-8 blind tubules at junction of foregut and midgut. | II | Gastric Cacca |
| C | Ring of 100-150 yellow coloured thin filaments at junction of midgut and hindgut. | III | Malpighian tubules |
| D | The structures used For grinding the food. | IV | Crop |
What is the empirical formula of a compound containing 40% sulfur and 60% oxygen by mass?