alleryWhich wall of a guard cell is highly thickened?
ABasal wall facing mesophyll
BOuter wall, away from the pore
CInner wall, towards the pore
DEnd walls joining the pair
Answer & Solution
Correct answer: C. Inner wall, towards the pore
The inner wall bordering the stomatal pore is thick while the outer wall stays thin, which lets the cell bend to open the pore.
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