Multiple Choice
Based on absorption spectra of chlorophyll, which statement best explains whether red light is effective in driving photosynthesis?
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9. Photosynthesis
Introduction to Photosynthesis
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Which of the following is a waste product released during photosynthesis in plants?
A
Oxygen ($O_2$)
B
Water ($H_2O$)
C
Carbon dioxide ($CO_2$)
D
Glucose ($C_6H_{12}O_6$)
Verified step by step guidance1
Understand the process of photosynthesis: Photosynthesis is the process by which plants convert light energy into chemical energy, using carbon dioxide ($CO_2$) and water ($H_2O$) to produce glucose ($C_6H_{12}O_6$) and oxygen ($O_2$).
Identify the inputs and outputs of photosynthesis: The inputs are carbon dioxide ($CO_2$) and water ($H_2O$), while the outputs are glucose ($C_6H_{12}O_6$) and oxygen ($O_2$).
Recognize the role of oxygen ($O_2$): Oxygen is released as a byproduct during the light-dependent reactions of photosynthesis, specifically when water molecules are split (a process called photolysis).
Compare the options provided: Oxygen ($O_2$) is the waste product released during photosynthesis, while water ($H_2O$), carbon dioxide ($CO_2$), and glucose ($C_6H_{12}O_6$) are either inputs or useful products of the process.
Conclude that the correct answer is oxygen ($O_2$), as it is the waste product released during photosynthesis in plants.
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