Biology 5090 · O Level · Excretion

Excretion — practice question

(a)[7]

Describe how named toxic materials and metabolic waste products are removed from the human body.

(b)[3]

Explain how named waste products are removed from a plant.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “carbon dioxide removed through lungs / alveoli” …

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