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(B) Louis Pasteur demonstrated that life comes only from pre-existing life (biogenesis). He used swan-necked flasks (or $S$-shaped neck flasks) in his

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He used swan-necked flasks.

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(B) Louis Pasteur demonstrated that life comes only from pre-existing life (biogenesis). He used swan-necked flasks (or $S$-shaped neck flasks) in his experiment. In these flasks,the air could enter,but dust particles and microorganisms were trapped in the curved neck. As a result,the broth in the flask remained sterile,proving that spontaneous generation does not occur.

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

Louis Pasteur successfully rejected the theory of spontaneous generation because:

Similar Questions

Louis Pasteur,by careful experimentation,demonstrated that:

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

What was the contribution of the scientist Van Helmont?

Stanley Miller observed the synthesis of ........ during his experiment.

Abiogenesis is the .......

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