O-LevelBiologyRespiration5090/11 · Oct/Nov 2021 · Q161 Mark

Energy is needed for many processes within the body. Which process does not require the use of energy?

Acontraction of muscles in the intestines

Bmovement of oxygen from the alveoli into the blood

Cgeneration of nerve impulses

Dprotein synthesis in cells

✓ Correct answer

B: movement of oxygen from the alveoli into the blood

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Topic: Respiration, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2021 Paper 1 Variant 1, question 16.

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