What happened to present in the primary atmosphere during its conversion to the secondary atmosphere?
It got oxidized to and water
It was absorbed by photoautotrophs
Most of it got oxidized to nitrogen oxides
It concentration was decreased due to formation
Related Questions
Life cannot originate from inorganic materials now because of
Low atmospheric temperature
High degree of pollution
High atmospheric oxygen
Absence of raw materials
How did George Cuvier accounts for the extinctions in nature
Extinctions never occur there are unexplored parts of the globe where the organisms that appears to have gone extinct may still live
Extinctions occur when the slow adaptations of the organisms overtime to their environment are not quick enough to help them respond to changing conditions
Extinctions occur at random, they do not reflect God’s will
Extinctions occur due to the catastrophic events
First life on the earth originated from non-living matters has been explained by
Theory of biogenesis
Theory of abiogenesis
Theory of special creation
Theory of extraterrestrial origin
Creation of new taxa is focussed in
Macro-evolution
Theory of special creation
Sympatric speciation
Theory of pangenesis
Earth originated approximately
4500 million years ago
3600 million years ago
Between 1600-2600 million years ago
2.5 million years ago
Life appeared
500 million years after the formation of earth
600 million years after the formation of earth
Four billion years back
Both (1) and (3)
Abiogenesis first, but biogenesis ever since was said by
Louis Pasteur
Charles Darwin
Alexander Oparin
Stanley Miller
Which of the following was formed in S Miller’s experiment?
Amino acids
Nucleic acids
UV radiations
Microspheres
The Miller-Urey experiment attempted to simulate:
Photosynthesis
Respiration
Early Earth conditions to test the chemical origin of life
Formation of the ozone layer
Coacervates belong to category of
Cyanobacteria
Protozoans
Molecular aggregates
Molecular aggregate surrounded by lipid membrane
