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O-LevelBiologyCell Biology5090/11 · Oct/Nov 2025 · Q51 Mark

Which process involves the movement of molecules against a concentration gradient?

Aactive transport

Bdiffusion

Cosmosis

Dtranspiration

✓ Correct answer

A: active transport

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About this question

Topic: Cell Biology, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2025 Paper 1 Variant 1, question 5.

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