Microorganisms: Helpful or Harmful

What is the difference between beneficial and harmful microorganisms?

• Beneficial microorganisms help in processes like digestion, while harmful ones can cause diseases.

• Both beneficial and harmful microorganisms are equally important for human health.

• Beneficial microorganisms only exist in soil, while harmful ones are found in water.

• Harmful microorganisms are always larger than beneficial ones.

What is one harmful effect of mold in homes?

• It can cause respiratory issues and allergies.

• It can improve indoor air quality.

• It can enhance the aesthetic appeal of a home.

• It can increase energy efficiency.

What is the importance of microorganisms in the ecosystem?

• They recycle nutrients and support food webs.

• They cause diseases in plants and animals.

• They are only found in extreme environments.

• They have no significant role in the ecosystem.

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What mold is used to create the medicine Penicillin?

• Beneficial mold

• Toxic mold

• Fungal mold

• Pathogenic mold

What type of microorganisms help absorb nutrients from food for our digestion?

• Pathogenic bacteria

• Beneficial bacteria

• Viruses

• Fungi

What is the role of beneficial bacteria in our gut?

• They help with digestion and nutrient absorption.

• They produce harmful toxins.

• They cause digestive diseases.

• They have no effect on gut health.

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What effect do certain bacteria have on teeth enamel?

• They strengthen teeth enamel (Beneficial)

• They have no effect on teeth enamel (Neutral)

• They weaken teeth enamel (Harmful)

• They cause teeth enamel to regenerate (Restorative)

What tool is used to view organisms too small to see with a magnifying lens?

• Telescope

• Binoculars

• Microscope

• Magnifying Glass

What is the term for the beneficial relationship between humans and certain microorganisms?

• Symbiosis

• Parasitism

• Commensalism

• Mutualism

What are plankton considered in the food chain?

• A food source for small fish (Beneficial)

• A type of predator

• A primary consumer

• A secondary consumer

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