Skip to content

Course home

Sign up

1.1 Cell structure

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283
Question 79
F86%

Four paper discs, each soaked in a different antibiotic, are placed on a lawn of one species of bacterium. After incubation the clear zones have diameters of 8 mm, 14 mm, 6 mm and 19 mm. Which disc contained the most effective antibiotic?

[1]
A

The disc with the 14 mm clear zone

B

The disc with the 8 mm clear zone

C

The disc with the 6 mm clear zone

D

The disc with the 19 mm clear zone

Markscheme

1.1 Cell structure Questions

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

282 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.

Question bank