GCSE Edexcel Biology Plant diseases defences: 1. Figure 1 shows a stream flowi

Question

1. Figure 1 shows a stream flowing near a fertiliser factory.

The factory burns coal as a source of energy.

The factory releases waste into the stream and sulfur dioxide into the air.

Samples of water were taken at five points along the stream, A, B, C, D and E, as shown in Figure 1.

Figure 2 shows the oxygen concentration in the water at the five points along the stream.

2. State why rose leaves infected with blackspot fungus.

Figure 3 shows rose leaves infected with blackspot fungus.

1. Figure 1 shows a stream flowing near a fertiliser factory - Edexcel - GCSE Biology - Question 1 - 2023 - Paper 2