Helpful or Harmful Microorganisms

Which of the following is NOT an example of a beneficial organism?

• Penicillin
• Yeast
• Meningitis
• Bifidus Regularis

Most organisms cannot be seen without a (a)   .

What is yeast used for? PICK 2

• To cure chickepox
• To make bread rise
• To make yogurt
• To start fires

Which of these is NOT caused by a microorganism?

• Measles
• Sprained ankle
• Tooth decay
• Lymphoma

Which of these microbes is useful?

• Bacteria to decompose leaves
• Salmonella
• Chickenpox virus

Which of these microbes is harmful?

• Yeast
• Bacteria in yogurt
• Fruit mold

Cleaning your teeth regularly helps prevent tooth decay because ____________.

• Microbes don't like the taste of toothpaste.
• Brushing removes sugar that microbes like to eat.
• Microbes don't like stinky breath.
• Microbes can't stick to freshly brushed teeth.

Which statement is true?

• Microbes are all around us.
• Microbes are only found in the kitchen.
• All microorganisms cause illness.

Which is NOT a fungi?

• athlete's foot
• measles
• ringworm
• nail fungus

Which food does NOT include helpful bacteria?

• Cheese
• Yogurt
• Popcorn
• Soy Sauce