Skip to content

Course home

Populations (A-level only)

Populations (A-level only)

EasyMediumHard
1234567891011121314151617181920
Question 14

A culture of 1500 Chlorella cells was grown in a fermenter under optimal conditions. The cells divided once every 80 minutes.

Assuming there were no limiting factors and no cells died during a 20-hour period, calculate the number of cells in the culture at the end of the 20 hours. Give your answer in standard form to three significant figures. Show your working.

[3]
Markscheme

Populations (A-level only) Questions

  1. A Level
  2. /Biology
  3. /Populations (A-level only)

23 exam-style questions on AQA A Level Biology Populations (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank