Alternative Methods of Carbon Fixation in Plants


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What is the basic function of carbon fixation in plants?

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1. What is the purpose of RuBisCo?

2. Why does photorespiration occur when the outside temperature is too hot?

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About This Quiz & Worksheet

This quiz and worksheet test what you remember about carbon fixation in plants and how some plants have found alternate methods. You'll review what carbon fixation is and what it does for the plant.

Quiz & Worksheet Goals

Use this quiz and worksheet to check what you know about:

  • The basic function of carbon fixation in plants
  • The purpose of RuBisCo
  • Why photorespiration occurs
  • How C4 photosynthesis prevents photorespiration

Skills Practiced

  • Interpreting information - verify that you read about what the purpose of RuBisCo is and interpreted it correctly
  • Knowledge application - review what you know about photorespiration to answer questions about it
  • Distinguishing differences - compare and contrast what you know about the CAM process and C4 photosynthesis

Additional Learning

You'll find more details about this topic in the lesson, Alternative Methods of Carbon Fixation in Plants. This lesson provides a closer look at:

  • Carbon fixation
  • The Calvin cycle
  • How a plant takes in carbon dioxide in a normal environment
  • The types of plants that benefit from C4 photosynthesis
  • Examples of C4 photosynthesis plants