Question

1 - In insects, exchange of gases take place through -
1- Gills
2- Lungs
3- Spiracles
4-Skin
2 - Glucose is oxidised to ethyl alcohol in -
1 - Both of these
2 - Anaerobic Respiration
3 - Fermentation
4 - All of these
Answer me fast it's important ​

Answer 1

Explanation:

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