This question is about the effect of environmental conditions on plants.
Explain what happens to a plant cell if it is placed in distilled (pure) water.
Acid rain, caused by gaseous pollutants like sulfur dioxide, can lower the pH of soil water.
Design an investigation to find out if plant growth is affected by the pH of the water they receive. Your answer should include experimental details and be written in full sentences.
23 exam-style questions on Edexcel IGCSE Biology Movement of substances into and out of cells. Each one has a worked solution and a mark scheme showing where the marks go.