IGCSE O Level Biology MCQs - Chapter 7
Effects of Human Activity on Ecosystem Multiple Choice Questions (MCQs) PDF Download - 1
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Effects of Human Activity on Ecosystem Questions & Answers PDF Download: MCQ Quiz 1
MCQ 1: Consequences of water pollution include
- discharge of untreated sewage
- burning of fossil fuels
- loss of habitat
- climatic changes
MCQ 2: Renewable natural resources include
- air only
- water only
- soil
- air and water
MCQ 3: If the whole of the topsoil is washed down, the erosion is said to be
- sheet erosion
- gully erosion
- shelter wash off
- wind erosion
MCQ 4: Deforestation is caused due to
- grazing
- timber
- Cultivation
- all of above
MCQ 5: In ecosystem, Endemics include
- malaria
- plague
- cholera
- typhoid
IGCSE O Level Biology Mock Tests
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