Biology 9700 · AS & A Level · Homeostasis in plants

Homeostasis in plants — practice question

The structures, processes and compounds that are involved in photosynthesis in C4 plants include: A - carbon dioxide B - phosphorylation C - palisade cells D - PEP carboxylase E - rubisco F - malate G - RuBP H - mesophyll cells I - guard cells J - photorespiration K - photolysis L - oxaloacetate M - ATP synthase N - chlorophyll
(a)[5]

Complete Table 7.1 by linking each description to one letter from A to N so that the correct structure, process or compound is identified. A letter may be used once, more than once or not at all.

(b)[3]

Certain plants, such as rice, are able to grow while partly submerged in water. Describe and explain the adaptations that enable rice plants to survive in waterlogged fields.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: D = enzyme with high optimum temperature

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI