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IB Biology SL C1.3.6 Absorption Vs Action Spectra Questions

Practise comparing pigment absorption spectra with photosynthetic action spectra, sketching wavelength graphs and explaining why green leaves use blue and red light most…

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Compare absorption spectra with action spectra to explain how pigment wavelength absorption relates to photosynthetic rate.
  • Construct or interpret action-spectrum graphs, including wavelength peaks, troughs and differences among photosynthetic organisms.

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Study C1.3.6—Absorption vs. action spectra conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology SL C1.3.6 Absorption Vs Action Spectra Questions question 1

[Maximum number: 2]

Explain the relationship between the action spectrum and the absorption spectrum in photosynthetic plants.

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