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. What is chemical selection?






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






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






4. Prokaryotic life arose during what eon?






5. What is the hypothetical RNA chemical selection scenario?






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






7. What is a Protobiont?






8. Around when did prokaryotic organisms first appear?






9. Around when did eukaryotic organisms first appear?






10. What are three advantages multicellularity provides for eukaryotes?






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






12. About how old is the earth?






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






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






15. What was the deep-sea vent hypothesis?






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






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






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






19. What was the reducing atmosphere hypothesis?






20. What was the extraterrestrial/Panspermia hypothesis?






21. What is chemical selection?






22. What are Liposomes?






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






24. What are Liposomes?






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






26. Around when did multicellular eukaryotic organisms first appear?






27. About how old is the universe?






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






29. What are Coacervates?






30. What was the reducing atmosphere hypothesis?






31. About how long ago did life first appear?






32. What is the advantage of proteins over RNA?






33. What is a Protobiont?






34. What was the first macromolecule of protobionts?






35. About how long ago did life first appear?






36. What was the extraterrestrial/Panspermia hypothesis?






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






38. What are three advantages multicellularity provides for eukaryotes?






39. What is the advantage of DNA over RNA?






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






41. Around when did eukaryotic organisms first appear?






42. What was the deep-sea vent hypothesis?






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






44. What is the advantage of DNA over RNA?






45. Name 4 characteristics of protobionts.






46. What are fossils?






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






48. Prokaryotic life arose during what eon?






49. What are Coacervates?






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