Bacteria and Bacterial Diseases Quiz

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Who first made notable observations on bacteria using crude microscopes?

Anton von Leewenhoek

When was the association of bacteria with anthrax first known?

1850

When was the first evidence of bacteria being responsible for plant diseases reported?

1882

What is the average size of a bacterium?

1.25µm Signup and view all the answers

What is the smallest wall-less bacterium mentioned in the text?

Mollicuttes measuring 0.15µm Signup and view all the answers

What are some of the functions performed by various species of bacteria?

Various species of bacteria are responsible for decay, fermentation, nitrogen fixation, and many plant and animal diseases. Signup and view all the answers

When and by whom were notable observations on bacteria first made using crude microscopes?

Notable observations on bacteria using crude microscopes were first made by Anton von Leewenhoek in 1675. Signup and view all the answers

When was the association of bacteria with anthrax first known?

The association of bacteria with anthrax had been known since 1850. Signup and view all the answers

What is the size range of bacteria mentioned in the text?

The average size of a bacterium is 1.25µm, while the smallest is 0.15µm and the largest is up to 15µm in length and 1.5 µm in diameter. Signup and view all the answers

What are the characteristics of bacteria in terms of their organization and cell wall composition?

Bacteria are prokaryotic in their organization, lacking membrane-bound organelles or a well-organized nucleus, and their cell wall composition is entirely different. Signup and view all the answers