A student investigates the effect of a solution on plant tissue. Before placing a tissue strip in the solution, the student rolls it once between two paper towels and records its mass. After the investigation, the student weighs the strip without blotting it.
| Measurement | Mass (g) |
|---|---|
| Before placing in solution | 2.00 |
| After the investigation, without blotting | 2.10 |
Calculate the apparent percentage change in mass of the tissue strip.
Explain whether these results show that water entered the tissue strip.
194 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.