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Which of the following bacterial genera shows gas vacuoles?
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Important Questions on Microbiology
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A) Slime layer is a loose sheath
B) Capsule is a thick and tough layer
C) Capsule protects the bacteria against desiccation.
D) Gummy and sticky character of the bacteria is due to presence of glycocalyx, present between cell and cell membrane.
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A) Bacterial flagella do not show 9+2 configuration in their ultra structure.
B) Bacterial flagella composed of both proteins and carbohydrates.
C) All the cocci and bacilli are non-motile.
D) Flagellar movement in bacteria is rotation.
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Identify the incorrect statement:
I) Pili is found in E. coli.
II) Teichoic acid is absent in Gram-ve bacteria.
III) Mesosomes increase the absorption of the nutrients in Gram-ve bacteria.
IV) Spherical shaped bacteria do not form chains.
