Daily Practice

GCSE Science

22nd December 1992

5 questions · GCSE · 584 questions in this band

1
Red-shift and the Expanding Universe
State what red-shift shows about the motion of most distant galaxies.
2
Biology Required Practicals and Data Analysis
In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
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
Why is a stain such as iodine used when preparing a slide?
5
Cell Division and Stem Cells
What happens to the DNA before mitosis begins?

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 December 1992, including the monthly compilation PDF.