| 0610 IGCSE Biology
PAPER-4-TOPIC-WISE PAST PAPERS / 21-HUMAN INFLUENCES ON ECOSYSTEMS
  • 21.0-Population-qp-ms.pdf
  • 21.0.1-Bacterial growth curve-qp-ms.pdf
  • 21.0.2-Sigmoid curve-Bacteria-qp-ms.pdf
  • 21.0.3-Yeast poupation-qp-ms.pdf
  • 21.1-Advantages of recycling-qp-ms.pdf
  • 21.2.0-Conservation-qp-ms.pdf
  • 21.2.1-Conservation-qp-ms.pdf
  • 21.3.1-Deforestation-qp-ms.pdf
  • 21.4.1-Herbicides-Environment-qp-ms.pdf
  • 21.5.1-Carbondioxide-Environment-qp-ms.pdf
  • 21.6.1-Methane-Environment-qp-ms.pdf
  • 21.7.1-Plastic -Environment-qp-ms.pdf
  • 21.7.2-Plastics-qp-ms.pdf
  • 21.8.1-Eutrophication-qp-ms.pdf
  • 21.9.1-Greenhouse effect-qp-ms.pdf
  • 21.10.1-Sewage treatment-qp-ms.pdf
  • 21.11.1-Water cycle-qp-ms.pdf
  • 21.12.1-Effects of fertilisers and manures on crops-qp-ms.pdf
  • 21.13.1-Habitat destruction-qp-ms.pdf
  • 21.14.1-Importance of conservation-qp-ms.pdf
  • 21.15.1-Endangered species-qp-ms.pdf
  • 21.15.2-Endangered species-qp-ms.pdf
  • 21.16.1-Global warming-qp-ms.pdf
  • 21.17.1-Overfishing-Sustainable resources-qp-ms.pdf
Note:

IGCSE Biology Topic Questions onĀ  Human Influences on Ecosystems Paper 4

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