Question # 1

Curved or comma shaped bacteria are called.

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Vibrio

spirillum

Spirochetes

Bacli

Bacteria without any flagella are called

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Flagellate

Atrichous

Monotrichous

Amphitrichaus

When flagella surround the whole cell, the condition is called

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Peritrichous

Atrichous

Amphitrichous

None of 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

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.

Greater pathogenicity to bacteria and protection against phagocytosis is provided by

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Capsule

Slime

Cell wall

Mesosomes

Bacteria divide at exponential rate during

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stationary phase

Decline phase

Log phase

Lag phase

Important vector is modern genetic engineering is.

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Nucleoid

Mesosome

Plasmid

Ribosome

Which one is microaerophilic bacterium

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Campy lobacter

Spirochet

Mycoplasma

Vibrio comma

Bacterial membrane also contain enzyme for

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Respiration

Photosynthesis

Protein synthesis

None of the above

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

Pili are made up of special protein called.

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Pillin

Flagellin

Tubullin

Myosin

Which structure of bacteria help in DNA replication.

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Plasmid

Mesosomas

cyst

Nucleoid

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

A sextual reproduction in bacteria occurs by

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Conjugation

Transduction

Transformation

Binary fission

The interval of time until the completion of next division is known as.

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Interphase

Generation time

Reproductive time

Growth

Photo synthetic prokaryotes lack.

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Ribosomes

Cytoplasm

Chloroplasts

Cell membrane

Spirochete is a bacterium.

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Aerobic

Anaerobic

Facultative

Microaerophilic

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