Practice question
Question
Driving force for water entry into guard cells during opening is:
Explanation
Go with B — Decreased water potential. Under STOMATA MOVEMENT, this is the standard explanation you’d use in class: it names the real driver or definition, while the rest are nearby but wrong. Not these: A) Increased water potential; C) Increased pressure potential; D) Reduced osmotic pressure. When two options sound similar, choose the one that matches the textbook definition most tightly.
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