Bacteria and Phytopathogenic Bacteria Characteristics

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Which of the following is NOT a characteristic of phytopathogenic bacteria?

They are non-spore formers

They are mostly gram-negative

They can cause human and animal diseases (correct)

They include genera like Streptomyces and Corynebacterium

What is the typical size range of bacteria of medical importance?

5 - 20 μm in diameter and 20 - 50 μm in length

0.2 - 1.5 μm in diameter and 3 - 5 μm in length (correct)

10 - 50 μm in diameter and 50 - 100 μm in length

2 - 10 μm in diameter and 10 - 20 μm in length

What is the unit of measurement used in bacteriology?

Nanometer (nm)

Millimeter (mm)

Micrometer (μm) (correct)

Centimeter (cm)

Which of the following is a curved, comma-shaped rod?

Vibrios Signup and view all the answers

Which of the following is NOT a characteristic arrangement of cocci?

Filamentous Signup and view all the answers

Which of the following is a characteristic of spirochetes?

They are flexuous spiral forms Signup and view all the answers

Which of the following is NOT a characteristic of phytopathogenic bacteria?

Capable of photosynthesis due to the presence of chlorophyll Signup and view all the answers

Which statement about the growth of phytopathogenic bacteria is correct?

They can be cultured on artificial media, but grow slowly compared to saprophytes Signup and view all the answers

Which of the following statements about the shape of phytopathogenic bacteria is NOT true?

They are always perfectly spherical in shape Signup and view all the answers

How do phytopathogenic bacteria typically gain entry into plants?

Through natural openings or wounds in the plant Signup and view all the answers

Which of the following statements about the flagellation of phytopathogenic bacteria is correct?

The majority of phytopathogenic bacteria are flagellate Signup and view all the answers

What is the primary mode of carbohydrate decomposition for phytopathogenic bacteria?

Aerobic or facultative anaerobic Signup and view all the answers

Bacteria and Phytopathogenic Bacteria Characteristics

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Questions and Answers

Which of the following is NOT a characteristic of phytopathogenic bacteria?

What is the typical size range of bacteria of medical importance?

What is the unit of measurement used in bacteriology?

Which of the following is a curved, comma-shaped rod?

Which of the following is NOT a characteristic arrangement of cocci?

Which of the following is a characteristic of spirochetes?

Which of the following is NOT a characteristic of phytopathogenic bacteria?

Which statement about the growth of phytopathogenic bacteria is correct?

Which of the following statements about the shape of phytopathogenic bacteria is NOT true?

How do phytopathogenic bacteria typically gain entry into plants?

Which of the following statements about the flagellation of phytopathogenic bacteria is correct?

What is the primary mode of carbohydrate decomposition for phytopathogenic bacteria?

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