TLS Online TPP Program

#Question id: 40219


Match the evolutionary stages in List I with their defining characteristics in List II

List I (Evolutionary Stage)List II (Characteristics)
A. ChemoheterotrophsI. First oxygen-producing photosynthesizers (Cyanobacteria)
B. ChemoautotrophsII. Earliest life forms; absorbed organic molecules from the environment
C. Photoautotrophs (Anoxygenic)III. Synthesized food using chemical energy (inorganic substrates)
D. Photoautotrophs (Oxygenic)IV. Used sunlight but H2S instead of water; did not release Oxygen

#Environmental Science
  1. A-I, B-II, C-III, D-IV

  2. A-II, B-III, C-IV, D-I

  3. A-III, B-I, C-II, D-IV

  4. A-IV, B-III, C-I, D-II