Skip to content

Course home

1.1 Cell structure

1.1 Cell structure

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758
Question 28
H

Bacteria are grown in a sealed flask of nutrient broth at 25 degrees Celsius. After 8 hours the number of bacteria stops increasing.

Which statement best explains why the number of bacteria stops increasing?

[1]
A

the bacteria have started to divide by a slower method

B

the nutrients in the broth have been used up by the bacteria

C

the mean division time of the bacteria has become shorter

D

the bacteria in the broth have all been killed by the flask

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.

Question bank