Characteristics of Living Organisms Quiz
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5 questions, one answer each
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1. Which of these is NOT one of the eight characteristics of living organisms?
- A. Excretion
- B. Reproduction
- C. Photosynthesis
- D. Movement
2. Which structure is found in a bacterial (prokaryotic) cell but organised differently from a eukaryotic cell?
- A. Cell membrane
- B. Nucleus
- C. Circular chromosome of DNA, free in the cytoplasm
- D. Cytoplasm
3. What is a pathogen?
- A. Any single-celled organism
- B. A micro-organism that causes disease
- C. Only a type of bacterium
- D. A non-living particle only
4. Why are viruses classified as non-living, despite containing genetic material?
- A. They lack a protein coat
- B. They cannot reproduce independently, only inside a host cell
- C. They are too large to be considered organisms
- D. They do not contain DNA or RNA
5. A student examines an unfamiliar single-celled organism under a microscope and observes a cell wall, a nucleus and mitochondria. Which type of organism is this most likely to be?
- A. A prokaryote such as bacteria
- B. A eukaryote, such as a protoctist or fungus
- C. A virus
- D. Not a living organism