IB Biology HL C1.3.5 Absorption of Specific Wavelengths Questions

Explore which wavelengths chlorophyll and accessory pigments absorb, which are reflected, and how absorbed light excites electrons for photosynthesis in IB Biology HL C1.3.5.

Exam points

Compare chlorophyll and accessory-pigment absorption across red, blue and green wavelengths, including which light is reflected.
Interpret absorption-spectrum evidence to explain how absorbed wavelengths excite photosynthetic pigments and support photosynthesis.

[Maximum number: 4]

Distinguish between the absorption of red light, blue light and green light by plants.

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IB Biology HL C1.3.5 Absorption of Specific Wavelengths Questions question 1