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Micro Organisms

Micro Organisms
Mycoplasmas, rickettsiae, and chlamydiae are

species of protozoa
small bacteria
forms of viruses
types of fungi

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Micro Organisms
Which cell type is considered to have the oldest ancestor?

Bacteria
Archaea
Eukarya
they all share the same ancestor

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Micro Organisms
All of the following are features of prokaryotes except

locomotion
nitrogen fixation
photosynthesis
sexual reproduction

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Micro Organisms
Who was the inventor of the Petri dish?

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

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Micro Organisms
Cell theory includes all of the following except

the cell is the most primitive form of life
the cell is the structural unit of life
all organisms are composed of one or more cells
cells arise by division of preexisting cells

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Micro Organisms
Primary differences between cilia and flagella are

number, length and direction of force
how the microtubules are fused to each other
length and location of basal bodies
arrangement of microtubules

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