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1.2 Number, size and scale

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Question 13
F

A plant cell is 0.080 mm long. A chloroplast inside it is 5 μm5\,\mu\mathrm{m}5μm long.

A student makes a model in which the cell is 32 cm long. All lengths are increased by the same factor.

How long should the chloroplast be in the model?

[1]
A

2.0 cm2.0\,\mathrm{cm}2.0cm

B

0.5 cm0.5\,\mathrm{cm}0.5cm

C

4.0 cm4.0\,\mathrm{cm}4.0cm

D

6.4 cm6.4\,\mathrm{cm}6.4cm

Markscheme

1.2 Number, size and scale Questions

  1. GCSE
  2. /Biology
  3. /1.2 Number, size and scale

48 exam-style questions on Edexcel GCSE Biology 1.2 Number, size and scale, covering 1.2.1 Number, size and scale with estimations and 1.2.2 Quantitative units in relation to cells. Each one has a worked solution and a mark scheme showing where the marks go.

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