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(A) The theory of abiogenesis (spontaneous generation) suggested that life could arise from non-living matter. Louis Pasteur,through his famous swan-n

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Louis Pasteur

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(A) The theory of abiogenesis (spontaneous generation) suggested that life could arise from non-living matter. Louis Pasteur,through his famous swan-neck flask experiment,demonstrated that life comes only from pre-existing life (biogenesis). He boiled nutrient broth in swan-neck flasks,which allowed air to enter but trapped dust particles and microbes in the neck. No growth was observed in the broth,proving that life does not arise spontaneously from non-living matter.

Who completely disapproved of the theory of abiogenesis?

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$A$: Theory of biogenesis explains that life arises from pre-existing life. $R$: Louis Pasteur finally disapproved the theory of spontaneous generation of life.

What did Louis Pasteur's swan-neck flask experiment prove?

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