Biology 9700 · AS & A Level · Photosynthesis as an energy transfer process

Photosynthesis as an energy transfer process — practice question

Section B. Answer one question.

(a)[6]

Explain how rice is adapted for growth while its roots remain submerged in water.

(b)[9]

Explain how the leaves of maize or sorghum maximise carbon dioxide fixation at high temperatures.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Aerenchyma is present” …