NEET2005ZoologyEvolutionActual
Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter?
Options
- Alarvae could appear in decaying organic matter
- Bmicrobes did not appear in stored meat
- Cmicrobes appeared from unsterilized organic matter
- Dmeat was not spoiled, when heated and kept sealed in a vessel.
Correct answer
D. meat was not spoiled, when heated and kept sealed in a vessel.
Step-by-step solution
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 so