Sir or madam , Why does transportation take place in plants when it is against gravity???

Asked by purbisrestha11 | 24th Feb, 2021, 06:19: PM

Expert Answer:

There are three hypotheses that explain the movement of water up a plant against gravity.
  1. Root pressure pushes water up
  2. Capillary action draws water up within the xylem
  3. Cohesion-tension pulls water up the xylem

Answered by Sheetal Kolte | 25th Feb, 2021, 11:22: AM