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1.1 Cell structure

1.1 Cell structure

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Question 64
F

A student wants to estimate the number of bacteria in a sample of pond water. Why is an agar plate more suitable for this than a nutrient broth in a flask?

[1]
A

Agar supplies the bacteria with nutrients but a nutrient broth does not

B

Bacteria grown on agar are less likely to be harmful than those in a broth

C

Colonies grow as separate spots on the agar surface and so can be counted

D

Bacteria can reproduce by binary fission on agar but not in a nutrient broth

Markscheme

1.1 Cell structure Questions

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

163 exam-style questions on AQA GCSE Biology 1.1 Cell structure, covering 1.1.1 Eukaryotes and prokaryotes, 1.1.2 Animal and plant cells, 1.1.3 Cell specialisation, 1.1.4 Cell differentiation, 1.1.5 Microscopy, and 1.1.6 Culturing microorganisms. Each one has a worked solution and a mark scheme showing where the marks go.

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