Viruses replicate only inside of the...

• Living organisms

• food

• Non-living organisms

• cell

What kind of micro-organism does a baker add to bread dough to make it rise?

• Phytoplankton

• Yeast

• Penicillin

Which kind of micro-organism turns milk into yogurt?

• Bacteria

• Phytoplankton

• Algae

Most microorganisms cannot be seen without a...

• microscope
• magnifying lens
• telescope
• x-ray machine

Athletes foot is caused by this type of organism

• Bacteria
• Protists
• Fungi
• Virus

Viruses are considered to be nonliving because they 

• cannot multiply
• use energy to grow 
• are smaller than bacteria
• do not show all the characteristics

All microbes are bad for us.

• True
• False

Which of the following is NOT a microbe?

• Bacteria
• Virus
• Worm
• Fungus

What causes the common cold?

• Virus
• Bacteria
• Food poisoning

Mushroom belongs to a group known as _________________.

• plant
• fungi
• Bacteria