Multiple choice

The upward movement of water through xylem in plants can achieve fairly high rates up to

  1. 25 me tera per hour

  2. 20 meters per hour

  3. 10 meters per hour

  4. 15 meters per hour
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Xylem sap can move at rates up to 15 meters per hour in some plants under favorable conditions. This rapid movement is driven by the transpiration pull mechanism and the cohesive properties of water. The actual rate varies with plant species, environmental conditions, and water availability.

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