You will complete ten required practical activities if you are studying GCSE Biology and twenty-one if you are studying GCSE Combined Science. You could be asked questions about the methods, safety precautions you might take, results and conclusions of these experiments.
These questions have been written by Bitesize consultants as suggestions to the types of questions that may appear in an exam paper.
A scientist investigated the growth of the bacterium E.coli at different temperatures.
After the investigation, another scientist was asked to carry out the same investigation using exactly the same methods and apparatus as the first scientist. Why was this necessary? [1 marks]
Reproducibility. To have increased confidence in the results.