Biology 0610 · IGCSE · Nutrient cycles

Nutrient cycles — practice question

(a)[4]

Identify the processes marked W, X, Y and Z in Fig. 8.1.

(b)[2]

State the names of two carbon-containing biological molecules found in plants.

(c)[1]

State the name of one other greenhouse gas.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: W — photosynthesis

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