MCQ
Which function is served by the tracheal system in insects?
- ASensation
- ✓Respiration
- CBoth $(a)$ and $(b)$
- DDigestion
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| Column-$I$ | Column-$II$ |
| (Common name) | (Taxonomic category-Order) |
| $A$. Wheat | $I$. Primata |
| $B$. Mango | $II$. Diptera |
| $C$. Housefly | $III$. Sapindales |
| $D$. Man | $IV$. Poales |