Life comes from pre - existing life was stated by

Louis Pasteur

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Oparin

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Darwin

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Miller

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Solution

The correct option is A Louis Pasteur
Louis Pasteur determined through his different experiments that life on earth has originated from different living organisms. He performed an experiment to test whether nutrient broth could spontaneously generate microbial life or not. In these experiments, he used swan-necked flasks, in which he killed all the microorganisms. But, within a short time, they got infected again with the regeneration of new microorganisms.
So, option A "Louis Pasteur" is the correct answer.

Suggest Corrections

Column I	Column II
A. Saltation	(i) Darwin
B. Formation of life was preceded by chemical evolution	(ii) Louis Pasteur
C. Reproductive fitness	(iii) De Vries
D. Life comes from pre-existing life	(iv) Oparin and Haldane

Column I	Column II
1. Spontaneous generation	A. life comes from pre-existing ones
2. Biogenesis	B. life comes spontaneously from nonliving
3. Panspermia	C. life originates from inorganic matters
4. Abiogenesis	D. spores of life were transferred from different planets