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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.

Column-$I$	Column-$II$
$(X)$ Earth	$(1)$ $20$ billion years
$(Y)$ Universe	$(2)$ $4.5$ billion years
$(Z)$ Non-cellular life	$(3)$ $3.0$ billion years

Who completely disapproved of the theory of abiogenesis?

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The first life on Earth was ...... .

Match the following columns:
Column-$I$ Column-$II$
$(X)$ Earth $(1)$ $20$ billion years
$(Y)$ Universe $(2)$ $4.5$ billion years
$(Z)$ Non-cellular life $(3)$ $3.0$ billion years

Which of the following is $INCORRECT$ regarding the characteristics of protobionts (coacervates and microspheres) as per the biogenic origin of life?

The primitive atmosphere was reducing because:

$A.I.$ Oparin wrote

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