IB Biology SL C1.3.6 Absorption Vs Action Spectra Questions

Compare absorption spectra with action spectra to see how pigments capture light and which wavelengths drive photosynthesis most effectively in IB Biology SL C1.3.6.

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.

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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