9.4.3.2 - Phytochromes
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Practice Questions
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What is the function of phytochromes in plants?
💡 Hint: Think about how light affects plant behavior.
Define photoperiodism.
💡 Hint: Focus on how plants react to light and dark cycles.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What do phytochromes primarily regulate in plants?
💡 Hint: Consider what part of the plant's life cycle is affected by light.
Do phytochromes exist in two forms (Pr and Pfr)?
💡 Hint: Recall the light absorption characteristics of both forms.
1 more question available
Challenge Problems
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How might changing climate patterns affect the function of phytochromes in plants?
💡 Hint: Consider how inconsistent seasons can affect flowering times.
Design an experiment to study how different wavelengths of light affect phytochrome activity.
💡 Hint: Think about how to isolate the variable—light—and measure the outcomes.
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