Multiple Choice
Which of the following correctly places in order the steps that occur as dehydration develops in a plant during photosynthesis?
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9. Photosynthesis
Introduction to Photosynthesis
Multiple Choice
Which of the following reactants is reduced during the process of photosynthesis?
A
Oxygen gas.
B
Photons of light.
C
Carbon dioxide.
D
Water.
Verified step by step guidance1
Understand the concept of reduction in a chemical reaction: Reduction involves the gain of electrons by a molecule, atom, or ion.
Identify the overall chemical equation for photosynthesis: 6CO2 + 6H2O + light energy → C6H12O6 + 6O2.
Analyze the role of carbon dioxide in the photosynthesis equation: Carbon dioxide (CO2) is converted into glucose (C6H12O6), which involves the gain of electrons.
Recognize that the gain of electrons by carbon dioxide during its conversion to glucose indicates that carbon dioxide is reduced.
Conclude that among the given options, carbon dioxide is the reactant that is reduced during the process of photosynthesis.
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