Microorganisms Quiz

What is the primary characteristic that defines microorganisms?

• They are always harmful to humans.

• They are only visible using a microscope.

• They are multicellular organisms.

• They are visible to the naked eye.

Which of the following is a characteristic of bacteria?

• They are prokaryotes with a simple cell structure.

• They are always multicellular.

• They have a complex cell structure.

• They are always harmful.

Which of the following bacteria is known for causing food poisoning?

• Baker's yeast

• E. coli

• Staphylococcus aureus

• Amoeba

What is a common use of baker's yeast?

• Photosynthesis

• Making bread rise

• Producing antibiotics

• Causing infections

Which of the following is a characteristic of protists?

• They are always multicellular.

• They have a more complex cell structure than bacteria.

• They are always harmful.

• They do not have a nucleus.

Which protist is capable of photosynthesis?

• Paramecium

• Staphylococcus

• Amoeba

• Euglena

Why are viruses considered non-living?

• They lack the full functions of a cell.

• They have a complex cell structure.

• They can reproduce independently.

• They are always beneficial.

Which of the following diseases is caused by a virus?

• Thrush

• Influenza

• Baker's yeast infection

• E. coli infection

How do viruses replicate?

• By dividing like bacteria

• By photosynthesis

• By using host cells to produce more viruses

• By binary fission

Which of the following is NOT a type of microorganism discussed in the video?

• Bacteria

• Protists

• Fungi

• Plants