Bacteria Quiz

What is the meaning of the word prokaryote?

• Before a nucleus

• After a nucleus

• Without a nucleus

• With a nucleus

Which domain do bacteria belong to?

• Domain Bacteria

• Domain Archaea

• Domain Eukarya

• Domain Monera

What is the function of a bacterial capsule?

• Prevents the cell from drying out

• Helps the cell attach to surfaces

• Prevents bacteria from being engulfed by white blood cells

• All of the above

Which type of bacteria can survive in hot, acidic environments?

• Thermoacidophiles

• Halophiles

• Methanogens

• Phototrophs

What is the process by which bacteria exchange genetic information?

• Binary fission

• Conjugation

• Chemosynthesis

• Photosynthesis

Which type of bacteria cannot tolerate the presence of oxygen?

• Obligate anaerobes

• Facultative anaerobes

• Obligate aerobes

• Heterotrophs

What is the role of nitrogen-fixing bacteria in ecosystems?

• Decompose organic matter

• Produce oxygen

• Fix nitrogen from the atmosphere

• Break down inorganic compounds

What is the purpose of normal flora in the human body?

• Cause disease

• Produce vitamins

• Break down nutrients

• Protect against harmful bacteria

Which type of bacteria is responsible for food poisoning?

• Thermoacidophiles

• Halophiles

• Methanogens

• Pathogenic bacteria

What is the role of bacteria in the production of chocolate?

• Break down organic matter

• Produce vitamins

• Ferment cocoa beans

• Prevent spoilage