Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
25th August 2019
- 1Cell 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).
- 2Cell Structure and Microscopy
State the function of the mitochondria.
- 3Cell Division and Stem Cells
Define an undifferentiated cell.
- 4Transport in and out of Cells
Why does active transport require energy?
- 5Organisation
Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
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Every sheet is deterministic: the same date always regenerates the same five questions. All of August 2019, including the monthly compilation PDF.