DP Biology (first assessment 2025)

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Question 22M.1A.SL.TZ2.7

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1A.SL.TZ2.7
Level SL Paper 1A Time zone TZ2
Command term Question number 7 Adapted from N/A
7.
[Maximum mark: 1]
22M.1A.SL.TZ2.7

What does an action spectrum for photosynthesis show?

A. The range of conditions over which photosynthesis can occur in a plant

B. The percentage of light absorbed at each wavelength by photosynthetic pigments

C. The percentage of light absorbed at each energy level by a plant

D. The relative amount of photosynthesis at each wavelength of light

[1]

Markscheme

D

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