Q599
Root pressure is maximum when
A.
Transpiration and absorption are slow
B.
Transpiration and absorption are high
C.
Transpiration is high and absorption is slow
D.
Transpiration is slow and absorption is high
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Root pressure is maximum when transpiration is slow and absorption is high.Transpiration is the loss of excess water vapour through the stomata of plants, but when absorption of water through root hairs in root is at a higher rate while the loss is less the pressure on the root of the plant increases to its maximum value.