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 |