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Item EB020002: The reactants of photosynthesis have less energy than the products.

Photosynthesis is a chemical reaction that occurs in a plant as the sun shines on it. Which of the following graphs compares the amount of energy in the photosynthesis reaction system before the reaction occurs (only reactant molecules are present) and the amount of energy in the system after the reaction occurs (only product molecules are present)?

Distribution of Responses
Chart showing distrubtion of responses for Item 020002
Points Earned
Group Correct Total Percent
Overall 34 120 28%
Grades
  6–8 N/A N/A N/A
  9–12 32 112 29%
Gender
  Male186727%
  Female124129%
Primary Language
  English3010628%
  Other2540%

View data table

Distribution of Responses
Chart showing distrubtion of responses for Item 020002
Points Earned
Group Correct Total Percent
Overall 80 144 56%
Grades
  6–8 N/A N/A N/A
  9–12 77 135 57%
Gender
  Male468554%
  Female264360%
Primary Language
  English7112258%
  Other3933%

View data table