Earth originated approximately
4500 million years ago
3600 million years ago
Between 1600-2600 million years ago
2.5 million years ago
Related Questions
Oparin and Haldaneโs theory is also called
Chemical theory of origin of life
Modern theory of origin of life
Naturalistic theory
All of the above
The first life on earth consists of
Single-celled prokaryotes (bacteria and archaea)
Multicellular eukaryotes (plants and animals)
Viruses
Complex proteins
The concept of chemical evolution is based on
Crystallization of chemicals
Interaction of water, air and clay under interse heat
Effect of solar radiation on chemicals
Possible origin of life by combination of chemicals under suitable environment conditions
Coacervates were experimentally produced by
Sydney Fox
Oparin and Haldane
Miller and Urey
Spallanzani and Needham
The first life on earth consists of
Single-celled prokaryotes
Multicellular eukaryotes
Small mammals
Complex plants
In the origin of life, microspheres are most primitive protobiont, which have a membrane of
Lipids and proteins
Lipids
Carbohydrates
fats
Which of these is considered a likely site for the origin of life?
Volcanic craters
Glaciers
Hydrothermal vents
Deserts
Information molecule to get evolved first on the primitive earth was
Protein
DNA
RNA
All of these
Early Greek thinkers thought units of life called
Spores
Panspermia
Gamets
Sperms