LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Capillary action is the process of water molecules moving upward through a narrow tube, such as plant stems. What characteristic of water causes this process?
A
Surface Tension
B
Hydrogen Bonds
C
Adhesion
D
Solubility
Explanation: 

Detailed explanation-1: -Capillary action occurs because water is sticky, thanks to the forces of cohesion (water molecules like to stay close together) and adhesion (water molecules are attracted and stick to other substances).

Detailed explanation-2: -Plants use capillary action to bring water up the roots and stems to the rest of the plant. The molecules of the water (the liquid) are attracted to the molecules of the inside of the stem (the solid). This attraction is used to help force the water up from the ground and disperse it throughout the plant.

Detailed explanation-3: -The water molecules stick together and get pulled up by the force called tension. This force is exerted because of the evaporation at the surface of the leaf. Cohesive and adhesive properties of water molecules to form an unbroken continuous water column in the xylem.

Detailed explanation-4: -The adhesion helps the transportation of sticking in the stems, while cohesion pulls the water down into the roots. This is called capillary action and this process helps plants collect the necessary nutrients from water as it transports down the stem.

There is 1 question to complete.