The Miller-Urey experiment attempted to simulate early Earth conditions to test the chemical origin of life. Which of the following gaseous components was NOT included in their experimental setup, despite being potentially present in the early atmosphere?
Methane ()
Ammonia ()
Water vapor ()
Oxygen ()
Related Questions
The first cellular form of life could have originated
2000 million years back
11000 million years back
1500 million years back
500 million years back
Experimental evidence of chemical evolution was given by
Miller
Haldane
Oparin
All of the above
Which of the following was formed in S Miller’s experiment?
Amino acids
Nucleic acids
UV radiations
Microspheres
In the origin of life, microspheres are most primitive protobiont, which have a membrane of
Lipids and proteins
Lipids
Carbohydrates
fats
Life appeared ________ years after the formation of earth
4.5 billion
1 billion
500 million
2 billion
Origin of life occurred in
Precambrian
Coenozoic
Palaeozoic
Mesozoic
Theory of special creation arguments that: I. all living organisms were created as such, II. the diversity was always the same since creation, III. earth is 4000 years old. Choose the right option to complete the given statement
I and II
II and III
I and III
I, II and III
Oparin and Haldane’s theory is also called
Chemical theory of origin of life
Modern theory of origin of life
Naturalistic theory
All of the above
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
The Miller-Urey experiment provided evidence for which stage of the origin of life?
Formation of the first cells
Evolution of photosynthesis
Abiotic synthesis of organic monomers
Development of self-replicating molecules
