The idea that the life originates from pre-existing life is referred as
Biogenesis theory
Special creation theory
Abiogenesis theory
Extraterrestrial theory
Related Questions
Big-Bang theory attempts to explain the origin of
Earth
Solar-system
Universe
Contenents
Oparin and Haldane’s theory is also called
Panspermia Theory
Primordial Soup Theory
Spontaneous Generation Theory
Endosymbiotic Theory
The first non-cellular form of life could have originated
3 billion years back
2 billion years back
4 billion years back
1 billion years back
What is the significance of coacervates in the origin of life?
They are the first true cells
They demonstrate the potential for membrane-bound structures to form spontaneously
They are self-replicating molecules
They prove that life originated in the ocean
Early Greek thinkers thought units of life called
Spores
Panspermia
Gamets
Sperms
Which macromolecule is believed to have been the first genetic material?
DNA
Protein
RNA
Carbohydrate
Which gas was likely ABSENT in the early Earth's atmosphere according to the Oparin-Haldane hypothesis?
Methane ()
Ammonia ()
Water vapor ()
Oxygen ()
Life appeared ________ years after the formation of earth
4.5 billion
1 billion
500 million
2 billion
A microsphere is a …A… collection of organic macromolecules with double layered outer boundary. The term microsphere was given by …B…
Complete the given statement by choosing correct options for A and B with reference to NCERT textbook
A-non-living, B-Sydney Fox
A-living, B-Oparin
A-non-living, B-Haldane
A-living, B-Altman
Which of the following is NOT a key characteristic of the first living organisms?
Unicellular
Prokaryotic
Anaerobic
Multicellular
