Question

First life on the earth originated from non-living matters has been explained by

• A. theory of biogenesis
• B. theory of abiogenesis
• C. theory of special creation
• D. theory of extraterrestrial origin

Answer 1

Answer: (B)

theory of abiogenesis

Answer 2

Oparin and Haldane proposed that the first form of life originated from pre-existing non-living organic molecules like RNA and protein and that formation of life was proceded by chemical evolution.