| I: | Malpighian tubules are used in osmoregulation and excretion in cockroach. |
| II: | Malpighian tubules are present at the junction of the midgut and the hindgut in the alimentary canal of cockroach. |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |

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