Edexcel IGCSEBiologyGeneral Applications6 Marks
Figure 1 shows a diagram of a plant cell.
- (a)Identify the structures labelled P and Q in Figure 1.[2]
- (b)State the function of structure P.[2]
- (c)Explain why animal cells do not contain structure Q.[2]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme. The mark or mark type is shown in brackets.
- M1 for P: Cell wall / wall
- A1 for Q: Chloroplast
- M1 for allows cell to maintain its shape / provides support / prevents cell bursting
- A1 for fully permeable / allows water and dissolved substances to pass through
- M1 for animal cells do not photosynthesise / animals are consumers / heterotrophs
- A1 for therefore they do not need to produce their own food / glucose
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