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3 marksNutrition in Living Organisms

CSEC Biology · January 2012 · Paper 2 · Question 4(b)

With the aid of a fully annotated diagram, explain how the visible external features of a green dicotyledonous leaf aid the process of photosynthesis.

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Other parts of this question

  1. 4(a)Describe photosynthesis in green plants.[5 marks]
  2. 4(c)(i)When leaves fall from plants, microorganisms feed on them. What is the name given to these microorganisms?[3 marks]
  3. 4(c)(ii)Explain how this type of nutrition differs from photosynthesis.[3 marks]
  4. 4(d)There are advantages and disadvantages when leaves fall from plants. Suggest TWO advantages and TWO disadvantages to a plant, when leaves fall from it.[4 marks]

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