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2.2 Stem cells

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Question 21
F

A stem-cell treatment is tested in 50 patients. Of these, 30 improve, but 5 of the 30 also develop a serious side effect.

How many patients improve without this side effect?

[1]
A

30 patients

B

25 patients

C

20 patients

D

35 patients

Markscheme

2.2 Stem cells Questions

  1. GCSE
  2. /Biology
  3. /2.2 Stem cells

46 exam-style questions on Edexcel GCSE Biology 2.2 Stem cells, covering 2.2.1 Function of stem cells and meristems and 2.2.2 Benefits and risks of stem cells. Each one has a worked solution and a mark scheme showing where the marks go.

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