BI-2120
Factors affecting transpiration
Biology · Secondary 4 · Medium · Factors affecting transpiration
In an investigation on transpiration, a student shines a lamp on a potted plant and counts the number of bubbles released from a capillary tube every minute. Why is the beaker containing the plant placed in a water bath during the experiment?
- To increase the carbon dioxide concentration around the plant
- To keep the temperature of the plant approximately constant
- To supply extra minerals to the plant roots
- To reduce the light intensity reaching the leaves
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