Which of the following experiment suggested that simplest living organisms could not have originated spontaneously from non-living matter?
Microbes did not appear in stored meat
Larvae could appear in decaying organic matter
Microbes appeared from unsterilized organic matter
Meat was not spoiled, when heated and kept sealed in a vessel
Related Questions
Creation of new taxa is focussed in
Macro-evolution
Theory of special creation
Sympatric speciation
Theory of pangenesis
Proteinoids are
Carbohydrate structure consisting of branched sugars
Fatty acid structure consisting of branched fatty molecules
Protein structure consisting of branched amino acids
Protein structure consisting of unbranched amino acids
First autotrophs on the primitive earth was/were
Aerobic
anaerobic
Both (1) and (2)
Photosynthetic protist
Information molecule to get evolved first on the primitive earth was
Protein
DNA
RNA
All of these
The RNA world hypothesis proposes that RNA, not DNA, was the primary genetic material in early life. Which characteristic of RNA makes it a more plausible candidate for this role compared to DNA?
Double-stranded structure
Higher stability
Catalytic activity
Presence of thymine
Which group of organisms is believed to be evolved first on earth?
Arthropods
Coelenterates
Protozoans
Reptiles
The first life on earth consists of
Single-celled prokaryotes
Multicellular eukaryotes
Small mammals
Complex plants
Experimental evidence of chemical evolution was given by
Miller
Haldane
Oparin
All of the above
Which of the following is NOT a key feature of the Oparin-Haldane theory of the origin of life?
Formation of organic monomers from inorganic gases
Presence of free oxygen in the early atmosphere
Polymerization of monomers to form macromolecules
Coacervates as precursors to the first cells
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)
