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Micro Organisms

Micro Organisms
Which of the following structures is the smallest?

Viriod
Bacterium
Hydrogen atom
Mitochondrion

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Micro Organisms
Mycoplasmas are different from the other prokaryotes by

presence of proteins in cell walls
presence of murrain in cell walls
absence of cell wall itself
presence of chitin in cell walls

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Micro Organisms
One of the reasons for the evolutionary success of the kingdom Monera is that its members are nutritionally diverse. Which of the following(s) is/are the way(s) of obtaining energy?

Photoautotrophy
All of these
Chemoheterotrophy
Photoheterotrophy

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Micro Organisms
The endosymbiosis hypothesis provides an explanation for how

protozoa developed from algae
prokaryotes developed from eukaryotes
algae developed from protozoa
eukaryotes developed from prokayotes

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Micro Organisms
Which were the investigators lived at the same time?

Van Leeuenhoek and Ricketts
Darwin and Woese
Berg and Hooke
Koch and Pasteur

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Micro Organisms
Gram staining was introduced by

Alfred Gram
Louis Pasteur
Robertcook
Christian gram

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