Water vapour leaves plants through pores in their leaves into the atmosphere - Junior Cycle Science - Question a - 2011
Question a
Water vapour leaves plants through pores in their leaves into the atmosphere.
What is this loss of water by plants called?
A pupil did an experiment to investigat... show full transcript
Worked Solution & Example Answer:Water vapour leaves plants through pores in their leaves into the atmosphere - Junior Cycle Science - Question a - 2011
Step 1
What is this loss of water by plants called?
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Answer
The loss of water by plants is called transpiration.
Step 2
Examine the graph and comment on the rate of water loss by the 'normal plant'.
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Answer
The water loss by the 'normal plant' is steady with little change over time, indicating a consistent rate of transpiration under normal conditions.
Step 3
Examine the graph and comment on the rate of water loss by the 'blown plant'.
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Answer
The rate of water loss by the 'blown plant' increases significantly over time, indicating that it uses more water at a faster rate due to the airflow created by the hair dryer.
Step 4
What two factors were different for the 'blown plant'?
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Answer
Moving air (wind)
Temperature (hotter air)
Step 5
Name the tissue that transports water up the plant from roots to leaves.
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Answer
The tissue that transports water up the plant from roots to leaves is called xylem.
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