Question

Guttation is:

• A. Movement of soluble organic materials through plants
• B. Movement of water through the apoplast
• C. Evidence of root pressure
• D. Negative pressure created by transpiration

Answer 1

The correct option is C

Evidence of root pressure

Effects of root pressure is also observable at night and early morning when evaporation is low, and excess water collects in the form of droplets around special openings of veins near the tip of grass blades, and leaves of many herbacecous parts. Such water loss in its liquid phase is known as guttation.