B6 Global challenges

Practice questions on Global challenges

• Explain how genetic engineering can be used to improve crop plants to help feed the growin… (4 marks, Explain)
• Explain how the capture-recapture method can be used to monitor changes in a population of… (4 marks, Explain)
• Explain how afforestation can help maintain the environment and support biodiversity. (4 marks, Explain)
• Explain why maintaining high biodiversity in an ecosystem is important for conservation. (4 marks, Explain)
• Ecotourism is promoted as a way to support conservation in natural ecosystems. Explain how… (4 marks, Explain)
• Describe how the capture-recapture method is used to estimate the size of a population of … (4 marks, Describe)
• Explain how the use of biological pest control and fertilisers together can reduce the neg… (4 marks, Explain)
• Describe how the use of pesticides and fertilisers helps to increase crop yields to feed t… (4 marks, Describe)
• Biological control is one method used to help feed the growing human population. Explain h… (4 marks, Explain)
• Explain why antibiotics cannot be used to treat a patient who has been diagnosed with infl… (4 marks, Explain)
• Explain why a patient with a bacterial chest infection may be at greater risk of developin… (4 marks, Explain)
• Describe how the body's physical defences help to prevent pathogens from entering the body… (4 marks, Describe)
• A patient visits their GP with symptoms that are later confirmed to be caused by a fungal … (4 marks, Explain)
• Explain why a person infected with HIV may eventually die from a disease caused by a diffe… (4 marks, Explain)
• Explain how the use of fertilisers and genetic engineering together can help farmers produ… (4 marks, Explain)