Microorganisms Review

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What are microorganisms?

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Microorganisms are tiny living organisms that can only be seen with a microscope. They include bacteria, viruses, fungi, and protozoa.

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What is the role of harmful microorganisms?

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Harmful microorganisms can cause diseases in humans, animals, and plants.

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What is the role of helpful microorganisms?

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Helpful microorganisms can aid in processes like digestion, fermentation, and decomposition.

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How can you control harmful microorganisms?

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You can control harmful microorganisms by washing your hands with soap and water, cooking food properly, and keeping surfaces clean.

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What is bacteria?

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Bacteria are single-celled microorganisms that can be spherical, spiral, or rod-shaped.

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What is an example of a beneficial bacterium?

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An example of a beneficial bacterium is the bacteria found in yogurt, which helps in digestion.

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What is an example of a harmful bacterium?

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An example of a harmful bacterium is Salmonella, which can cause food poisoning.

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What is the difference between viruses and bacteria?

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Viruses are smaller than bacteria and require a host cell to reproduce, while bacteria can reproduce on their own.

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What is a common way to prevent the spread of harmful microorganisms?

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A common way to prevent the spread of harmful microorganisms is by practicing good hygiene, such as washing hands regularly.

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What are fungi?

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Fungi are a group of microorganisms that include yeasts and molds, and they can be beneficial or harmful.