A researcher observes a climbing plant beside a river. The plant has cellulose cell walls, hairs on its stems, leaves that curl when touched, and markings that make it look unhealthy.
Which statement is correct?
The cellulose cell walls produce chemicals that kill bacteria
The stem hairs make the plant poisonous to herbivores
The unhealthy-looking markings attract animals away from healthy plants
The curling leaves dislodge insects feeding on the plant
133 exam-style questions on AQA GCSE Biology 3.3 Plant disease, covering 3.3.1 Detection and identification of plant diseases and 3.3.2 Plant defence responses. Each one has a worked solution and a mark scheme showing where the marks go.