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6.4 Classification of living organisms

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Question 13

During a stock check, a technician records the labels on seven bacterial cultures.

VialCulture label
1Bacillus subtilis
2Escherichia coli
3Staphylococcus aureus
4Bacillus cereus
5Pseudomonas aeruginosa
6Escherichia coli
7Staphylococcus epidermidis

A freezer fault damages vials 2 and 6, so both cultures are removed.

How many different species and genera remain in the freezer?

[1]
A

6 species and 4 genera

B

3 species and 3 genera

C

5 species and 4 genera

D

5 species and 3 genera

Markscheme

6.4 Classification of living organisms Questions

  1. GCSE
  2. /Biology
  3. /6.4 Classification of living organisms

81 exam-style questions on AQA GCSE Biology 6.4 Classification of living organisms, covering 6.4 Classification of living organisms. Each one has a worked solution and a mark scheme showing where the marks go.

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