CBSE Class 7 Answered
Sir or madam , Why does transportation take place in plants when it is against gravity???
Asked by purbisrestha11 | 24 Feb, 2021, 06:19: PM
Expert Answer
There are three hypotheses that explain the movement of water up a plant against gravity.
- Root pressure pushes water up
- Capillary action draws water up within the xylem
- Cohesion-tension pulls water up the xylem
Answered by Sheetal Kolte | 25 Feb, 2021, 11:22: AM
Concept Videos
CBSE 7 - Science
Asked by dipika.sahu1 | 24 Jan, 2024, 07:27: PM
ANSWERED BY EXPERT
CBSE 7 - Science
Asked by anushka89078 | 28 Feb, 2022, 07:42: PM
ANSWERED BY EXPERT
CBSE 7 - Science
Asked by im.sarishadas012 | 16 May, 2021, 08:03: PM
ANSWERED BY EXPERT
CBSE 7 - Science
Asked by purbisrestha11 | 24 Feb, 2021, 06:19: PM
ANSWERED BY EXPERT
CBSE 7 - Science
Asked by umakantmanwatkar | 25 Jan, 2021, 01:30: PM
ANSWERED BY EXPERT
CBSE 7 - Science
Asked by Ganesamoorthy | 21 Jan, 2021, 01:57: PM
ANSWERED BY EXPERT
CBSE 7 - Science
Asked by urmisirvi73.tl | 23 Apr, 2020, 02:43: PM
ANSWERED BY EXPERT
CBSE 7 - Science
Asked by apramanik | 01 Sep, 2019, 03:29: PM
ANSWERED BY EXPERT
CBSE 7 - Science
Asked by apramanik | 01 Sep, 2019, 03:24: PM
ANSWERED BY EXPERT
CBSE 7 - Science
Asked by 581335638995883 | 21 Nov, 2018, 11:08: PM
ANSWERED BY EXPERT