Question # 1

Which one of the following is not found in bacteria.

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Cell membrane

Ribosome

Nucleoid

Capsule

Which structure of bacteria help in DNA replication.

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Plasmid

Mesosomas

cyst

Nucleoid

Which of the following is present in both gram-positive and gram-negative cell walls

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An outer membrane

Peptidoglycan

Techoic acid

Lipopolysaccharides

The major locomotory structures in bacteria are

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Flagella

Pili

Both a and b

None of these

Which one of following class of bacteria has the smallest size

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Bacillus subtilis

Mycoplasma

E-coli

Straptococci

Mesosomas are internal extensions of.

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Cell wall

Cell membrane

Golgi complex

Endoplasmic reticulum

The cell walls of most bacteria have a unique macromolecule called.

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Techois acid

Lipoprotein

Peptidoglycan

Polysaccharide

Bacterial membrane differs from eukaryotic membrane in

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Lacking protein

Lacking lipids

Lacking polysaccharides

Lacking sterol i.e. cholesterol

Gram negaive cell wall has

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Only lipids

Only protein

More lipids and less protein

Less lipids and more protein

E-Coli is a example of

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Aerobic Bacterium

Anaerobic Bacterium

Facultative bacteria

Microaerophilic bacteria

A bacteria with single polar flagellumis called.

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Atrichous

Monotrichous

Amphitrichous

Lophotrichous

Germ theory of disease was formulated by

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Antone Van Leeuwenhoek

Pasteur

Robert Koch

none of above

The bacteria which can grow either in the presence or absence of oxygen are called.

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Aerobic bacteria

Anaerobic bacteria

Facultative bacteria

Microaerophilic bacteria.

Bacteria without any flagella are called

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Flagellate

Atrichous

Monotrichous

Amphitrichaus

Bacterial membrane also contain enzyme for

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Respiration

Photosynthesis

Protein synthesis

None of the above

Plasmid is

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Essential for bacterial growth and metabolism

Drug resistant having disease and insect resistant gene

Essential for bacterial growth only

All of above

Which one is microaerophilic bacterium

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Campy lobacter

Spirochet

Mycoplasma

Vibrio comma

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