How Much Do You Know About the C4 Pathway?

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| By Surajit Dey
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Quizzes Created: 550 | Total Attempts: 192,444
| Attempts: 50
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  • 1/10 Questions

    In which part of the plant does the initial carbon fixation occur in C4 plants?

    • Mesophyll cells
    • Stomata
    • Xylem cells
    • Phloem cells
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About This Quiz

Are you ready to challenge yourself with our C4 Pathway Quiz? This quiz will check how well you know the C4 pathway, an important process in photosynthesis that some plants use. In this quiz, you will learn how C4 plants fix carbon and how they have adapted to different environments.
You will also explore the role of PEPCase and the spatial separation of the C4 and Calvin cycles in different cells. This quiz will help you understand the key aspects and benefits of C4 photosynthesis in plant biology.See how much you know about plant physiology and biochemistry by answering questions on the C4 pathway. This quiz is a great way to enhance your knowledge and interest in this amazing topic of plant biology.

How Much Do You Know About The C4 Pathway? - Quiz

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  • 2. 

    Which enzyme is responsible for catalyzing the initial step of the C4 pathway?

    • Rubisco

    • PEP carboxylase

    • RuBP carboxylase

    • ATP synthase

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  • 3. 

    In C4 plants, which cells are responsible for the Calvin cycle?

    • Bundle sheath cells

    • Mesophyll cells

    • Xylem cells

    • Phloem cells

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  • 4. 

    What is the primary function of phosphoenolpyruvate carboxylase (PEPCase) in the C4 pathway?

    • Fixing carbon dioxide

    • Synthesizing glucose

    • Breaking down ATP

    • Transporting water

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  • 5. 

    What is the primary function of the C4 pathway in plants?

    • Oxygen production

    • Nitrogen fixation

    • Carbon fixation

    • Water absorption

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  • 6. 

    Which environmental condition is most favorable for C4 plants?

    • High temperature

    • Low light intensity

    • High humidity

    • Low carbon dioxide concentration

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  • 7. 

    What is the main role of malate or aspartate in the C4 pathway?

    • Transporting electrons

    • Transporting carbon dioxide

    • Transporting glucose

    • Transporting water

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  • 8. 

    Which type of plants primarily utilize the C4 pathway?

    • Trees

    • Cacti

    • Grasses

    • Mosses

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  • 9. 

    What is the ultimate product of the C4 pathway in plants?

    • Oxygen

    • Glucose

    • Water

    • Carbon dioxide

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  • 10. 

    What is the primary advantage of the C4 pathway over the C3 pathway?

    • Higher water use efficiency

    • Higher light utilization

    • Lower energy requirement

    • Lower carbon dioxide fixation rate

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Quiz Review Timeline (Updated): Feb 8, 2024 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Feb 08, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 06, 2024
    Quiz Created by
    Surajit Dey
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