BI-2118
Factors affecting transpiration
Biology · Secondary 4 · Medium · Factors affecting transpiration
In an investigation on transpiration, a student places a potted plant and a lamp in a dark room. To keep the plant at a constant temperature, the student places a large beaker of water between the lamp and the plant. What is the main reason for using the beaker of water?
- To increase humidity around the plant
- To absorb heat from the lamp and keep plant temperature steady
- To supply extra water for root uptake
- To reflect more light onto the leaves
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