Microorganisms Overview Quiz

Which of the following domains includes organisms with DNA enclosed in a nuclear membrane?

• Eukarya

• Archaea

• Viruses

• Bacteria

What is a key characteristic of acellular infectious agents?

• They have a cell wall

• They contain DNA or RNA but not both

• They are composed of cells

• They are always beneficial

How do prokaryotic cells differ from eukaryotic cells in terms of DNA structure?

• Prokaryotic cells have multiple linear chromosomes

• Prokaryotic cells have a single circular chromosome

• Eukaryotic cells have a single circular chromosome

• Eukaryotic cells lack a nuclear membrane

Which of the following is a method of cell division in eukaryotic cells?

• Budding

• Mitosis

• Fragmentation

• Binary fission

What is a unique feature of archaea compared to bacteria?

• Ability to live in extreme environments

• Photosynthetic capability

• Presence of peptidoglycan in cell walls

• Pathogenic to humans

Which microorganism is known for having pseudopods for movement?

• Protozoa

• Fungi

• Bacteria

• Algae

What is the primary nutritional strategy of parasites?

• Photosynthesis

• Chemosynthesis

• Relying on other organisms

• Autotrophy

Which type of fungi grows as a mold in cold temperatures and as yeast in warm temperatures?

• Mold

• Yeast

• Lichen

• Dimorphic fungi

What is a defining characteristic of viruses?

• They consist of DNA or RNA surrounded by a protein coat

• They can reproduce independently

• They are always beneficial

• They are composed of cells

Which of the following is an example of a unicellular eukaryote?

• Protozoa

• Archaea

• Bacteria

• Virus