Test your basic knowledge |

Origins Of Life

Subject : 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. About how long ago did life first appear?






2. Changes in living organisms are the result of what?






3. What was the first macromolecule of protobionts?






4. What is the advantage of DNA over RNA?






5. What have experiments shown about prebiotic synthesis of polymers in aqueous solutions?






6. What was the 3rd of the overlapping stages in the origin of life?






7. What was the 1st of the overlapping stages in the origin of life?






8. What are Liposomes?






9. Around when did eukaryotic organisms first appear?






10. Around when did prokaryotic organisms first appear?






11. What are Liposomes?






12. What was the 2nd of the overlapping stages in the origin of life?






13. Name 4 characteristics of protobionts.






14. What are two possible explanations for the origin of eukaryotes?






15. What was the first macromolecule of protobionts?






16. What are fossils?






17. What is a Protobiont?






18. About how old is the universe?






19. What are Coacervates?






20. What was the deep-sea vent hypothesis?






21. What was the extraterrestrial/Panspermia hypothesis?






22. What was the reducing atmosphere hypothesis?






23. What is the advantage of proteins over RNA?






24. Around when did multicellular eukaryotic organisms first appear?






25. What are fossils?






26. According to the seven characteristics of life - are viruses alive?






27. Prokaryotic life arose during what eon?






28. What was the reducing atmosphere hypothesis?






29. What was the 3rd of the overlapping stages in the origin of life?






30. What is chemical selection?






31. What is the hypothetical RNA chemical selection scenario?






32. About how old is the solar system?






33. According to the seven characteristics of life - are viruses alive?






34. What are Coacervates?






35. Changes in living organisms are the result of what?






36. What was the deep-sea vent hypothesis?






37. What was the 2nd of the overlapping stages in the origin of life?






38. Around when did multicellular eukaryotic organisms first appear?






39. What is the advantage of DNA over RNA?






40. What is the advantage of proteins over RNA?






41. About how long ago did the earth's crust cool?






42. What was the extraterrestrial/Panspermia hypothesis?






43. Where could RNA polymerization have first occured if not in water?






44. What is the hypothetical RNA chemical selection scenario?






45. What are two possible explanations for the origin of multicellularity?






46. About how long ago did the earth's crust cool?






47. What was the 4th of the overlapping stages in the origin of life?






48. What are three advantages multicellularity provides for eukaryotes?






49. What was the 4th of the overlapping stages in the origin of life?






50. Around when did prokaryotic organisms first appear?