Exercise
Form 12: Role of Stomata in Photosynthesis and Respiration
Discover how stomata facilitate gas movement required for photosynthesis and respiration. Learn how carbon dioxide uptake and oxygen release are managed by plant leaf pores.
Questions
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MultiChoice
Stomata are essential for photosynthesis because they allow entry of:
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MultiChoice
During photosynthesis, what gas leaves leaf air spaces through stomata into the atmosphere?
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MultiChoice
Why must plants balance carbon dioxide uptake against water loss through stomata?
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MultiChoice
At what time of day is photosynthesis rate usually highest in temperate plants?
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MultiChoice
What process occurs in plant cells continuously, both day and night?
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MultiChoice
During nighttime respiration, leaves take in which gas through open or partially open stomata?
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MultiChoice
What byproduct of cellular respiration exits through stomata?
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MultiChoice
How does low internal leaf concentration of carbon dioxide affect guard cells in light?
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MultiChoice
Why are stomatal density counts useful in environmental biology studies?
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MultiChoice
What happens to net oxygen production in leaves during complete darkness?
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MultiChoice
What effect does accumulation of carbon dioxide inside leaf air spaces at night have on stomata?
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MultiChoice
Which tissue layer directly under upper epidermis contains the highest density of chloroplasts for light absorption?