1. Origin of Life K. Sathasivan

2. Are we alone? A.Yes B.No

3. How do you think life originated on earth? A. Extraterrestrial aliens brought it B. Came with meteors from other planets C. Some superhuman powers created it D. Chemical from primordial soup combined to make life E. None of the above

4. History of Life

5. Stromatolites

6. Early prokaryotes

7. Cyanobacteria fossils

8. Possible Sources of Life’s Origin

9. Possible Steps in the Origin of Life Protobionts and Liposomes

10. DNA  RNA  PROTEIN (Genetic (Information (Catalytic and Information) and catalytic) Structural) A.DNA B.RNA C.Protein D.Carbohydrates E.Lipids Which came first?

11. Abiotic RNA Replication

12. Primitive RNA and Proteins

13. Which of the following is/are testable hypothesis about origin of life on earth? A. Extraterrestrial aliens brought it B. Came with meteors from other planets C. Some superhuman powers created it D. Chemical from primordial soup combined to make life E. None of the above

14. The Five Kingdom System

15. Domain Systems