Transport in Plants Question 52
52. In guard cells when sugar is converted into starch, the stomatal pore
[1992]
(a) closes completely
(b) opens partially
(c) opens fully
(d) remains unchanged
Show Answer
Answer : a
Hints & Solutions
(a) When sugar is converted into starch, the osmotic concentration of guard cells fall and they lose water to adjacent cells and stomata closes.
