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1.1 Cell structures

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Question 16

A microscope has a ×10 \times 10\,×10 eyepiece lens. Its rotating turret carries objective lenses labelled ×4\times 4×4, ×10\times 10×10, ×20 \times 20\,×20 and ×40\times 40×40.

A technician views fungal cells at a total magnification of ×200\times 200×200.

What is the magnification of the objective lens being used?

[1]
A

×40\times 40×40

B

×4\times 4×4

C

×10\times 10×10

D

×20\times 20×20

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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