A plant meristem contains 120 cells. Each cell divides once by mitosis. Of the resulting cells, 90 differentiate and the rest remain stem cells.
How many stem cells remain?
[1]
A
120 cells
B
30 cells
C
150 cells
D
210 cells
Markscheme
2.2 Stem cells Questions
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.