Micro Organisms
Who was the inventor of the Petri dish?

A famous French cook
Italian glass blower from Petri, Italy
R.J. Petri, an assistant of R. Koch
None of these

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Micro Organisms
Which of the following best represents the hierarchy of levels of biological classification?

Class, order, kingdom, phylum, family, genus, species
Kingdom, phylum, family, class, order, genus, species
Kingdom, phylum, class, order, family, genus, species
Phylum, kingdom, class, order, genus, species, family

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