Test your basic knowledge |

DSST Environmental Science - 2

Subjects : dsst, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A species in danger of becoming extinct in the near future






2. A close relationship between two species that benefits at least one of the species






3. The highest level of biodiversity






4. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world






5. The disappearance of a particular population from a given area - but not from the entire species globally






6. The process of cutting down all the trees in an area at once






7. The process of cutting down only some trees in an area






8. A resource that is either always available or is naturally replaced in a relatively short time






9. The study of the natural processes that occur in the environment and how humans can affect them






10. By increasing the need for people to drive






11. Contamination of land - water - or air






12. An amount of a renewable resource that can be harvested regularly without reducing the future supply






13. Transportation systems - communications systems - water services - power supplies - and schools






14. The largest population that an area can support






15. Help improve the standard of living for residents






16. The most direct way in which biodiverstiy can provide a source of income






17. Pollution from a factory near your school






18. A nonliving part of an organism's habitat






19. Soil - fresh water - wild animals - and timber






20. Anything in the environment that is used by people is called a natural resource






21. Chemical hazard that was once found in paint - young children are frequently tested for this






22. The series of changes that occur in an area where no soil or organisms exist






23. A group of land ecosystems with similar climates and organisms






24. Habitat change and fragmentation






25. Making direct measurements






26. The amount of carbon dioxide emissions for which an individual or group is responsible






27. A species that influences the survival of many others in an ecosystem






28. All the members of one species in a particular area






29. Building up not out






30. A region that has many different types of organism is described as having a high level of this






31. Can result in a decrease of property damage






32. Bumps on the roots of certain plants






33. An organism that can make its own food






34. Moving into a population






35. An organism that breaks down wastes and dead organisms






36. The practice of protecting the environment






37. Process of measuring the chance that an environmental hazard will cause harm






38. Cooking oil - fuel - and medicines






39. Chemicals that cause cancer






40. Manage - protect and reintroduce threatened and endangered species






41. The number of different species in an area






42. The clearing of a forest and replacing it with another land use






43. Watering crops

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44. The probability that a hazard will cause a harmful response






45. Rising sea level






46. A species that could become endangered in the near future






47. Chemicals that causes harm to embryos and fetuses






48. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity






49. A consumer that eats only plants






50. A virus or bacterium (organisms) that cause infectious diseases