DSST Difficulty Guide
Everything you need to know about the difficulty of DSST DSST Environmental Science — pass rates, study time, and which units are toughest.
Moderate
Difficulty
60-70%
Est. Pass Rate
15-30h
Avg Study Time
400
Passing Score
Unit 1: Ecosystems and Biodiversity
ecosystem structure, food webs, energy flow
Standard
34 questions
Unit 2: Population and Natural Resources
population growth, carrying capacity, demographic transition
Standard
47 questions
Unit 3: Pollution and Waste Management
air pollution, water pollution, solid waste
Standard
46 questions
Unit 4: Energy Sources and Consumption
fossil fuels, nuclear energy, solar energy
Standard
45 questions
Unit 5: Environmental Policy and Sustainability
Clean Air Act, Clean Water Act, EPA
Light
28 questions
DSST® is a trademark owned by Prometric, which is not affiliated with, and does not endorse, this product.