Question

The roots of a plant take up oxygen from the ______ trapped between the ________ particles.

• A. Air
• B. Soil

Answer 1

Oxygen utilization by roots:

1. The air in the gap between the soil particles provides oxygen to root cells.
2. On the roots of the plants, there are many root hairs.
3. The oxygen from the air diffuses through the root hair and reaches the root cells (between soil particles).
4. This oxygen is used in the process of respiration.

Final Answer: The roots of a plant take up oxygen from the air trapped between the soil particles.