Questions & Answers
Browse all 25 questions from the
Australian & Oceanian Microbiology Terminology Quiz study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the term for a single-celled organism that lacks a nucleus, common in Australian soil?
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A
Eukaryote
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B
Bacterium
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C
Fungus
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D
Protist
2
In microbiology, a 'culture medium' is used to grow microorganisms. What is a common Australian native plant used in some specialised media?
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A
Eucalyptus
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B
Acacia
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C
Banksia
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D
Kangaroo Paw
3
What microscopic structure is a key feature of bacteria, absent in human cells?
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A
Mitochondrion
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B
Chloroplast
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C
Cell wall
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D
Ribosome
4
The Great Barrier Reef, off the coast of Queensland, is home to diverse marine microbes. What are microscopic algae that form symbiotic relationships with corals called?
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A
Cyanobacteria
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B
Diatoms
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C
Zooxanthellae
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D
Dinoflagellates
5
What term describes the process by which bacteria reproduce asexually?
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A
Meiosis
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B
Mitosis
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C
Binary fission
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D
Budding
6
A 'pathogen' is an organism that causes disease. Which of the following is a common Australian environmental pathogen found in soil and water?
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A
Lactobacillus
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B
Escherichia coli
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C
Clostridium tetani
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D
Saccharomyces cerevisiae
7
What type of microscopy is often used to visualise tiny bacterial cells, especially those with flagella in Australian aquatic samples?
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A
Light microscopy
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B
Electron microscopy
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C
Atomic force microscopy
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D
Scanning microscopy
8
In the context of microbial genetics, what is a small, circular piece of DNA found in bacteria called?
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A
Chromosome
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B
Plasmid
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C
Genome
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D
Operon
9
What term refers to the study of fungi, which are important decomposers in Australian forests?
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A
Virology
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B
Bacteriology
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C
Mycology
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D
Parasitology
10
What is the name for microscopic organisms, including bacteria and archaea, found in extreme environments like Australian hot springs?
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A
Viruses
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B
Prions
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C
Extremophiles
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D
Protozoa
11
When a microbe uses dead organic matter as food, like decaying eucalyptus leaves, it is called a:
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A
Autotroph
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B
Heterotroph
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C
Chemoautotroph
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D
Photoautotroph
12
What does the term 'microbial diversity' refer to in an ecosystem like the Daintree Rainforest?
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A
The total number of microbes
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B
The variety of microbial species
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C
The size of microbial populations
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D
The rate of microbial growth
13
What is the collective term for the community of microorganisms living in and on a particular environment, such as the human gut in Oceania?
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A
Colony
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B
Biofilm
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C
Microbiome
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D
Culture
14
Which type of molecule is essential for building bacterial cell walls and is targeted by many antibiotics?
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A
Lipid
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B
Protein
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C
Nucleic acid
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D
Peptidoglycan
15
What is the term for a microbe that can survive and even thrive in the presence of oxygen?
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A
Anaerobe
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B
Aerotolerant
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C
Facultative anaerobe
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D
Obligate aerobe
16
In Australian wastewater treatment, what process uses microorganisms to break down organic pollutants?
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A
Sterilisation
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B
Pasteurisation
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C
Bioremediation
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D
Fermentation
17
What is a common method for isolating individual bacterial colonies from a mixed sample on an agar plate?
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A
Incubation
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B
Centrifugation
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C
Streaking for isolation
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D
Filtration
18
What is the term for a virus that infects bacteria?
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A
Retrovirus
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B
Bacteriophage
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C
Adenovirus
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D
Lentivirus
19
The indigenous peoples of Australia have traditionally used certain plants for medicinal purposes. This knowledge is often studied as:
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A
Ethnopharmacology
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B
Microbial ecology
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C
Genomics
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D
Immunology
20
What is the study of microorganisms in relation to disease called?
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A
Immunology
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B
Epidemiology
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C
Pathogenesis
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D
Medical microbiology
21
Which process involves using heat to kill most harmful microorganisms in food products, like milk from Australian dairy farms?
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A
Autoclaving
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B
Tyndallisation
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C
Pasteurisation
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D
Sterilisation
22
What term describes a microorganism that requires a host organism to survive and reproduce?
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A
Commensal
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B
Mutualist
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C
Parasite
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D
Symbiont
23
In microbial genetics, what is the complete set of genetic material in an organism?
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A
Plasmid
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B
Operon
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C
Genome
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D
Vector
24
What term refers to the microscopic examination of microbial samples using a staining technique to differentiate cell structures?
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A
Culturing
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B
Incubation
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C
Microscopy with staining
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D
DNA sequencing
25
Which of these is a common type of microbial contamination found in Australian tap water if not properly treated?
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A
Yeasts
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B
Molds
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C
Bacteria
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D
Algae
