The simplest living organisms could not have originated spontaneously from non-living matter. Microbes were killed by heating the meat and the sealed vessel formed a closed system wherein the new microbes could not come in contact with the nutrient medium and hence no spoilage of meat. Related Theory Pasteur performed experiments in which he took sterilized 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.
Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter?
NEET UG 2005 — Zoology Evolution
2005mcqmedium
Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter?
Official previous-year question
Held on 30 Apr 2005 · Verified 9 Jul 2026.
Options
- A
larvae could appear in decaying organic matter
- B
microbes did not appear in stored meat
- C
microbes appeared from unsterilized organic matter
- D
meat was not spoiled, when heated and kept sealed in a vessel.
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