Quiz: Phytochrome in Plant Responses to Light
Pearson Edexcel Level 3 Advanced GCE in Biology A (Salters-Nuffield) (9BN0)
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Building on what you've learned about sensory and nervous systems, let's explore how plants use phytochrome to respond to light.
What is phytochrome?
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Which of the following are roles of phytochrome? (Select all that apply)
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Phytochrome switches between its active ({{blank0}}) and inactive ({{blank1}}) forms depending on light conditions.
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Match the items on the left with their correct pairs on the right
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If the amount of Pfr increases by 30% during daylight, calculate the new amount if the initial Pfr is 50 units.
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Which light wavelength converts Pr into Pfr?
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Which processes are influenced by phytochrome activity in plants? (Select all that apply)
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Phytochrome is most active during {{blank0}} light conditions and regulates {{blank1}} processes in plants.
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Match the items on the left with their correct pairs on the right
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