Question

Name the factors responsible for ascent of sap.

Answer 1

Ascent of sap - Water and minerals which are absorbed by the roots are conducted upwards to the aerial parts of the plant by the xylem tissues. This upward flow of water and minerals from the roots to the aerial parts of the plant in called ascent of sap.

The ascent of sap is affected by several factors such as :

1. The quantity of water in the soil.
2. Soil temperature.
3. Concentration of soil solution.
4. The quantity of air in the soil.