BI-2106
Factors affecting transpiration
Biology · Secondary 4 · Medium · Factors affecting transpiration
On a hot, dry afternoon a plant begins to wilt even though the soil is moist. Which is the most immediate cause of this wilting?
- The roots stop absorbing water because the soil is too cold
- Transpiration rate exceeds water uptake, so cells lose turgor
- Photosynthesis stops and no more water is produced
- Mineral ions diffuse out of the roots into the soil
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