Microorganisms: Friend & Foe Quiz

Microorganisms are usually:

• Multicellular

• Microscopic and unicellular

• Visible to the naked eye

• Only found in laboratories

Which of the following can survive in hot springs, saline water, and ice-cold water?

• Plants

• Microorganisms

• Worms

• Amphibians

Which microorganism is used in the setting of curd?

• Rhizobium

• Lactobacillus

• Nitrobacter

• Penicillium

The bacterium causing curd formation converts lactose into:

• Alcohol

• Carbon dioxide

• Lactic acid

• Nitrogen

Which of the following is NOT a type of bacteria?

• Bacillus

• Vibrio

• Cocci

• Mycoplasma

Yeast is:

• Multicellular fungus

• Unicellular fungus

• Bacterium

• Protozoan

Which microorganism group contains chlorophyll?

• Algae

• Fungi

• Protozoa

• Viruses

Penicillin is obtained from:

• Yeast

• Aspergillus

• Penicillium

• Lactobacillus

Which microorganisms are on the borderline between living and non-living?

• Bacteria

• Viruses

• Protozoa

• Algae

Which gas makes up about 78% of the atmosphere?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen