A) Microbes did not appear in stored meat
B) Larvae could appear in decaying organic matter
C) Microbes appeared from unsterilized organic matter
D) Meat was not spoiled, when heated and kept sealed in a vessel
Correct Answer: D
Solution :
Pasteur performed experiments in which he took sterilized (by boiling) yeast and sugar solution in a long necked, then he bent the neck of the flask like a neck of swan. After one month he observed that no life appeared in flask solution because the curved flask neck acts as a filter. He later on broken down the neck and observed the solution. He found that many micro-organisms were originated in solution.
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