Biology 0610 · IGCSE · Tropic responses

Tropic responses — practice question

(a(i))[2]

State the chemical equation for photosynthesis in balanced form.

(a(ii))[1]

State the name of the mineral ion required for chlorophyll synthesis.

(a(iii))[1]

State the name of the carbohydrate that stores energy in a plant.

(b(i))[1]

Identify the tropic response shown by the shoot in Fig. 5.1.

(b(ii))[4]

Explain how the tropic response shown by the shoot in Fig. 5.1 is chemically controlled.

(b(iii))[2]

Explain why the tropic response shown in Fig. 5.1 is beneficial to a plant.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: 6CO2 + 6H2O → C6H12O6 + 6O2

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