Biology for IGCSE & O level - Plant Nutrition (Section 4 - No. 14)
Which of the following is the correct sequence of events during the opening of stomata?
Guard cells absorb water, stomata open
Guard cells lose water, stomata open
Guard cells absorb water, stomata close
Guard cells lose water, stomata close
Explanation
Guard cells absorb water through osmosis and become turgid, causing the stomata to open.
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