Daily Practice

GCSE Science

2nd August 1991

5 questions · GCSE · 584 questions in this band

1
Cell Biology
A cube-shaped model cell has sides of length 3 cm. Calculate the surface area to volume ratio of the cube. Give your answer in the form n : 1.
2
Cell Structure and Microscopy
Convert 0.05 mm into micrometres.
3
Cell Division and Stem Cells
How many pairs of chromosomes are there in a human body cell?
4
Transport in and out of Cells
State three factors that increase the rate of diffusion.
5
Organisation
Name the plant tissue that transports water and dissolved minerals from the roots to the leaves.

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