Daily Practice

GCSE Science

28th May 1991

5 questions · GCSE · 584 questions in this band

1
Red-shift and the Expanding Universe
State whether a galaxy moving towards Earth would show a red-shift or a blue-shift in its light.
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 microscope has a x10 eyepiece lens and a x20 objective lens. Calculate the total magnification.
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?

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