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






2. Around when did prokaryotic organisms first appear?






3. About how old is the universe?






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






5. Around when did multicellular eukaryotic organisms first appear?






6. What is chemical selection?






7. What was the extraterrestrial/Panspermia hypothesis?






8. About how long ago did life first appear?






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






10. About how long ago did life first appear?






11. What are the seven characteristics of life?






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






13. Prokaryotic life arose during what eon?






14. What are Liposomes?






15. What was the deep-sea vent hypothesis?






16. Around when did prokaryotic organisms first appear?






17. What was the extraterrestrial/Panspermia hypothesis?






18. About how old is the earth?






19. What is chemical selection?






20. What are Liposomes?






21. Name 4 characteristics of protobionts.






22. Name 4 characteristics of protobionts.






23. What is the advantage of proteins over RNA?






24. Around when did multicellular eukaryotic organisms first appear?






25. What is the advantage of DNA over RNA?






26. Prokaryotic life arose during what eon?






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






28. What are three advantages multicellularity provides for eukaryotes?






29. About how old is the solar system?






30. What are fossils?






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






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






33. What was the deep-sea vent hypothesis?






34. What are fossils?






35. What are three advantages multicellularity provides for eukaryotes?






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






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






38. What was the first macromolecule of protobionts?






39. What is a Protobiont?






40. What was the reducing atmosphere hypothesis?






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






42. About how old is the universe?






43. Around when did eukaryotic organisms first appear?






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






45. About how old is the earth?






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






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






48. What was the reducing atmosphere hypothesis?






49. Around when did eukaryotic organisms first appear?






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