Question # 1

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

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Techois acid

Lipoprotein

Peptidoglycan

Polysaccharide

Important vector is modern genetic engineering is.

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Nucleoid

Mesosome

Plasmid

Ribosome

Which of the following is a primary bacterial cell wall function

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Transport

Support

Motility

Adhesion

These are smallest and without cell wall

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E-Coli

spirochete

Mycoplasma

Pseudomonas

Which one is present in all bacteria

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Cell wall

Mesosoma

Ribosomes

Plasmid

Cell wall of Archaebacteria does not contain.

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Chitin

Cutin

Peptidoglycan

Cellulose

Gram negaive cell wall has

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Only lipids

Only protein

More lipids and less protein

Less lipids and more protein

Germ theory of disease was formulated by

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Antone Van Leeuwenhoek

Pasteur

Robert Koch

none of above

Bacterial membrane differs from eukaryotic membrane in

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Lacking protein

Lacking lipids

Lacking polysaccharides

Lacking sterol i.e. cholesterol

One of the following has flagella rarely

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Diplobacilli

Spiral

Cocci

All of above

Which of the following is not found in all bacteria is

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Cell membrane

A nucleoid

Flygella

None of these

If tuft of flagella is present only at one pole to bacteria then these are called as

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Amphitrichous

Lophotriches

Peritrichous

Monotrichoca

Spirochete is a bacterium.

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Aerobic

Anaerobic

Facultative

Microaerophilic

Conjugation is facilitated by

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Capsule

Pili

Flagella

Both pili and flagella

A cube of eight cocci is termed as.

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Tetrad

Sarcina

diplococcus

Streptococci

Cysts are dormant, thick, walled, desiccation resistant forms and develop during.

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Late stage of cell growth

Differentiation of vegetative cells

Differentiation of reproductive cells

During conjugation

Pill are primarily involved in.

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Parthenogeesis

Vaccination

Motility

Conjugation

When flagella surround the whole cell, the condition is called

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Peritrichous

Atrichous

Amphitrichous

None of above

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Biology Fsc Part 1 Chapter 6 Online Test MCQs With Answers

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