Microbes

Fungi is benefical to us because of the following reason:

• They are a source of oxygen
• They can clean up pollution
• They are a source of antibiotics
• They help to clean run off from waste

What is true about bacteria?

• Bacteria use photosynthesis to make their own food
• Bacteria can only be found in dirt
• Bacteria is always beneficial
• Bacteria can be used to make certain foods

Which of the following is an example of a harmful microorganism?

• Fungi used as antibiotics
• Ecoli on food that makes people sick
• Bacteria found in yogurt.
• Microorganisms helping dead matter to decay

Which of the following statements are true?

• All microorganisms are bad
• All microorganisms are good
• Some microorganisms are harmful, while some can be helpful
• Microorganisms are too small to do anything to anyone

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Which is not an example of a helpful microorganism?

• Yeast to help bread rise
• A virus used in a vaccine
• Microbes used to clean oil spills
• Bacteria that causes strep throat

Which is not an example of a harmful microorganism?

• Mold growing on a kitchen sponge
• Bacteria found in yogurt
• Bacteria that causes turberculosis
• Salmonella on uncooked chicken

Are microorganisms helpful or harmful?

• Helpful
• Harmful
• Both
• Neither

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Which two examples below are helpful bacteria?

• Medicine and Cherry Coke
• Yogurt and bread
• Salmonella and E. Coli
• Water and germs

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Algae and plankton are helpful microorganisms.

• True
• False

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Yeast makes bread, rolls and cakes rise.

• True
• False