EM-0680-Paper-1-2022-May/June-2

Question 1:

Part (a):
- Question: "State one environmental impact of open-pit mining."
- Mark Scheme: Accept any one from - loss of habitat, water pollution, air pollution/dust, loss of (agricultural) land, erosion, noise pollution, visual pollution, loss of vegetation.
- Marks: 1
Part (b):
- Question: "Describe how rock and mineral extraction can benefit the local community."
- Mark Scheme: Accept any two from - employment/jobs in mine, employment/jobs in associated service industry, improves economy (by bringing in business), improved infrastructure/roads/rail, use/availability of materials used locally.
- Marks: 2
Part (c):
- Question: "Use the photograph to describe how this land has been restored." (Note: The photograph is not displayed here.)
- Mark Scheme: Accept any two from - land has been filled, lake/pond has been made, car park/new road has been built, (top)soil added, trees/vegetation has been planted, area has been landscaped, park created.
- Marks: 2

Question 2:

Part (a):
- Question: "Explain what the fisherman is doing with the bycatch in the photograph."
- Mark Scheme: Acceptable answers include shovelling/sweeping overboard/putting back in the sea; because bycatch is unwanted species caught during fishing (for target species).
- Marks: 2
Part (b)(i):
- Question: "Describe the environmental impacts of overfishing."
- Mark Scheme: Accept any two from - decline of fish stocks, reduction/extinction of fish species/biodiversity, death of bycatch, alteration to food chain/web, causing death of birds/sharks/dolphins/turtles/predators.
- Marks: 2
Part (b)(ii):
- Question: "State two strategies that can be used to reduce overfishing."
- Mark Scheme: Accept any two from - changing fishing practice/education, modifications to fishing gear/net type/mesh size, reduce/ban fishing in hotspots/closed season, (create) reserves, quotas, laws/international agreements, fish farming.
- Marks: 2

saisundu / grade-10-igcse-past-papers