CSEC Biology · January 2012 · Paper 2 · Question 4(a)
Describe photosynthesis in green plants.
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- 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.[3 marks]
- 4(c)(i)When leaves fall from plants, microorganisms feed on them. What is the name given to these microorganisms?[3 marks]
- 4(c)(ii)Explain how this type of nutrition differs from photosynthesis.[3 marks]
- 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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