Biology · Photosynthesis and Photorespiration
A C3 plant is exposed to sudden drought stress and high atmospheric temperature leading to stomatal closure. Leaf analysis shows high oxygenation products. What is the most likely physiological response of the plant?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Immediate enhancement of Calvin cycle speed
- 2Complete permanent inhibition of RuBisCO
- 3Shift toward increased photorespiration✓
- 4Increased net CO2 fixation
Correct answer
Shift toward increased photorespiration
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