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DSST Environmental Science — Information & Free Practice

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DSST Environmental Science

Provider
Prometric
Format
Multiple-choice; one correct answer and three incorrect options. English fact-sheet version; remote ProProctor and test-center delivery are channels of the same examination.
Exam questions
Total questions: 100.
Time limit
2 hours
Examination outline
  • What is Environmental Science (10%)
    • Scientific method
    • Science versus pseudo-science
    • Interdisciplinary of environmental science
    • Ethics
  • Ecological Concepts (25%)
    • Ecosystems
    • Organism Relationships
    • Biodiversity
    • Trophic relationships (e.g. food chain; food web)
    • Energy flows and cycles
    • Biomes
    • Population biology
    • Evolution
    • Ecological succession
  • Environmental Impacts (25%)
    • Human population dynamics and consumption
    • Global climate change
    • Pollution – Land, Air, Ware (physical, chemical, and biological aspects)
    • Agricultural and Food
    • Industrial
    • Habitat destruction
    • Land degradation
  • Environmental Management and Conservation (25%)
    • Renewable and nonrenewable resources
    • Sustainable Agricultural
    • Pesticides and pest control
    • Soil conservation and land use practices
    • Air pollution control
    • Water quality and supply
    • Wastewater treatment
    • Solid and hazardous waste
    • Environmental risk assessment and hazards
  • Social Processes and the Environment (15%)
    • Environmental justice
    • Policy, planning and decision making
    • Global environmental governance
    • Differing culture and societal values
Examination sources