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1.1 Cell structures

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Question 9
F

A chloroplast in a micrograph is 12 mm long. The magnification of the micrograph is ×2000\times 2000×2000.

What is the actual length of the chloroplast?

[1]
A

0.006 μm0.006\ \mu\text{m}0.006 μm

B

6 μm6\ \mu\text{m}6 μm

C

24 μm24\ \mu\text{m}24 μm

D

24 000 μm24\,000\ \mu\text{m}24000 μm

Markscheme

1.1 Cell structures Questions

  1. GCSE
  2. /Biology
  3. /1.1 Cell structures

130 exam-style questions on OCR GCSE Biology 1.1 Cell structures, covering 1.1.1 Viewing cells with light microscopes, 1.1.2 Sub-cellular structures and functions, and 1.1.3 Electron microscopy and resolution. Each one has a worked solution and a mark scheme showing where the marks go.

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