Microorganisms: Harmful or Beneficial?

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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, fungi, viruses, 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. Examples include bacteria that cause infections and fungi that cause skin diseases.

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What is the role of beneficial microorganisms?

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Beneficial microorganisms help in processes like digestion, food production, and environmental cleanup. They can also be used in medicine.

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What is athlete’s foot?

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Athlete’s foot is a fungal infection that causes itching and burning on the feet. It is an example of a harmful microorganism.

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What is Tetanus?

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Tetanus is a serious infectious disease caused by bacteria that affects the nervous system and can lead to muscle stiffness and spasms.

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How do some bacteria help clean up oil spills?

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Certain bacteria can break down oil and other pollutants, making them useful in cleaning up environmental disasters like oil spills.

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What is fermentation?

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Fermentation is a process where microorganisms like yeast convert sugars into alcohol or acids, used in making bread and beverages.

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What is yeast?

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Yeast is a type of fungus that is used in baking and brewing. It helps dough rise by producing carbon dioxide.

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What are probiotics?

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Probiotics are live bacteria that are beneficial for health, especially for digestion. They are found in yogurt and other fermented foods.

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What is the importance of bacteria in food production?

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Bacteria are essential in food production processes like making cheese, yogurt, and pickles.