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. The form of transportation that uses the most energy per passenger mile






2. Water vapor and carbon dioxide that trap heat near the earth






3. A relationship between two species in which one species benefits and the other is neither helped nor harmed






4. Watering crops

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






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






7. A living part of an organism's habitat






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






9. Viruses - bacteria and other organisms in the environment that harm human health






10. Shift of population from countryside to cities






11. Loud noises in the air like jack hammers - loud car stereos - etc...






12. A consumer that eats only plants






13. An organism that is killed and eaten by another organism






14. Chemicals that cause cancer






15. Help improve the standard of living for residents






16. Deals with biological hazards






17. Chemicals that causes harm to embryos and fetuses






18. Burning fossil fuels






19. A relationship in which one organism lives on or in a host and harms it






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






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






22. A natural pattern in which species diversity generally increases toward the equator






23. A form of decision-making concerned with the allocation and conservation of natural resources






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






25. The practice of protecting the environment






26. The number of different species in an area






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






28. 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






29. Fires that are set by humans






30. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates






31. Manage - protect and reintroduce threatened and endangered species






32. Cooking oil - fuel - and medicines






33. Has the highest amount of species diversity






34. An area with a large population of valuable ocean organisms






35. Resulted in suppression of all forest fires

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36. The loss of a natural habitat






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






38. Contamination of land - water - or air






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






40. Sex - weight - and health issues






41. Are carefully controlled






42. Leaving a population






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






44. The amount of replacement is equal to the amount harvested






45. The breaking of a habitat into smaller - isolated pieces






46. Species that are carried to a new location by people






47. An environment that provides the things an organism needs to live - grow - and reproduce






48. Businesses are arranged in a long row along a roadway - with no main community






49. Rising sea level






50. The process of changing free nitrogen gas into a usable form