| 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 Caeca |
| 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 |