Given below are two statements :
Statement I : The forces generated transpiration can lift a xylem-sized column of water over 130 meters height.
Statement II : Transpiration cools leaf surfaces sometimes 10 to 15 degrees evaporative cooling.
In the light of the above statements, choose the most appropriate answer from the options given below :
Identify the correct statements:
A. Lenticels are the lens-shaped openings permitting the exchange of gases.
B. Bark formed early in the season is called hard bark.
C. Bark is a technical term that refers to all tissues exterior to vascular cambium.
D. Bark refers to periderm and secondary phloem.
E. Phellogen is single-layered in thickness.
Choose the correct answer from the options given below:
Match List I with List II :
|List I||List II|
|(A)||Cohesion||(I)||More attraction in liquid phase|
|(B)||Adhesion||(II)||Mutual attraction among water molecules|
|(C)||Surface tension||(III)||Water loss in liquid phase|
|(D)||Guttation||(IV)||Attraction towards polar surfaces|
Choose the correct answer from the options given below :
The ascent of xylem sap is plants in mainly accomplished by the