Evolution - Origin of Life, Chemical Evolution

Grade 12 Biology — Evolution - Origin of Life, Chemical Evolution: 25 practice questions with instant scoring and explanations.

1. The origin of life on Earth is believed to have occurred:
2. Chemical evolution refers to:
3. The primitive atmosphere of Earth contained:
4. Oparin and Haldane hypothesized that:
5. The Miller-Urey experiment demonstrated that:
6. In the Miller-Urey experiment, energy sources included:
7. The Miller-Urey experiment produced:
8. Abiogenesis refers to:
9. The first self-replicating molecule was likely:
10. The RNA world hypothesis proposes that:
11. Ribozymes are:
12. Coacervates are:
13. Proteinoid microspheres are:
14. Chemical evolution stages include:
15. The earliest fossils are:
16. Stromatolites are:
17. Free oxygen in the atmosphere increased due to:
18. The Great Oxidation Event occurred:
19. Extremophiles are:
20. Panspermia is a hypothesis that:
21. Prebiotic chemistry refers to:
22. The first cells were likely:
23. Heterotrophy likely preceded autotrophy because:
24. The endosymbiotic theory explains:
25. Evidence for chemical evolution includes: