AQA A-Level Biology 2025/6

Biology • A-Level

Question 1 of 40

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A plant species that lives under the canopy of a dense forest has evolved a chloroplast adaptation that maximises its ability to capture limited light. Which structural change would most directly achieve this?

Hint: Consider which chloroplast component directly interacts with incident light.

An increased number of stacked thylakoid membranes forming larger grana A thicker double membrane surrounding the chloroplast A higher concentration of Rubisco enzymes in the stroma A larger stromal volume to store more ATP

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