Daily Practice

GCSE Science

18th August 1991

5 questions · GCSE · 584 questions in this band

1
Red-shift and the Expanding Universe
State, in one sentence, what the Big Bang model proposes about the early universe.
2
Biology Required Practicals and Data Analysis
Why does taking repeat readings and calculating a mean improve the data?
3
Cell Biology
A student views a red blood cell at a magnification of x2000. The image of the cell measures 20 mm across. Calculate the real width of the cell, giving your answer in micrometres (um).
4
Cell Structure and Microscopy
Where is the DNA found in a bacterial cell?
5
Cell Division and Stem Cells
Give one risk of stem cell treatment.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1991, including the monthly compilation PDF.