Transport In Plants Question 20
Question: Mesophyll tissue of leaf is at water potential of -10.0 bars while epidermal cells of leaf have water potential of-8.0 bars and the air outside has water potential of -5.0 bars. Water will move from:
Options:
A) Air $ \to $ epidermis $ \to $ mesophyll
B) Mesophyll $ \to $ air $ \to $ epidermis
C) Mesophyll $ \to $ epidermis $ \to $ air
D) Water will not move.
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Answer:
Correct Answer: A
Solution:
[a] Water potential is highest in air & lowest in mesophyll.