A botanist grows a bean plant. Four tissue samples are prepared for viewing with a light microscope.
| Sample | Source of tissue |
|---|---|
| P | A root growing below the soil, where no light reaches it |
| Q | The outside of a stem exposed to daylight |
| R | The centre of a thick stem, where no light reaches the cells |
| S | A leaf kept from light from the time it began to develop |
Which sample is expected to show chloroplasts?
Sample R
Sample S
Sample Q
Sample P
282 exam-style questions on AQA GCSE Biology 1.1 Cell structure, covering 1.1.1 Eukaryotes and prokaryotes, 1.1.2 Animal and plant cells, 1.1.3 Cell specialisation, 1.1.4 Cell differentiation, 1.1.5 Microscopy, and 1.1.6 Culturing microorganisms. Each one has a worked solution and a mark scheme showing where the marks go.