Scientists subjected a corn plant to different light intensities while measuring the xylem pressure in the leaves. They found that the brighter the light, the more negative the pressure in the xylem. Which of the following is the best interpretation of these results?

+1 vote

 

  

The increased light intensity increased the rate of transpiration, which increased the tension within the xylem.

  

The increased light intensity decreased the rate of transpiration, which decreased the tension within the xylem

  

The increased light intensity decreased the rate of transpiration, which increased the tension within the xylem.

  

The increased light intensity increased the rate of transpiration, which decreased the tension within the xylem.

 

asked Dec 30, 2012 in Biology by anonymous
    

1 Answer

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The increased light intensity increased the rate of transpiration, which increased the tension within the xylem.

 

answered Dec 30, 2012 by anonymous

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