Lesson 4.2.2a
4.2.2a Biological classification and taxonomy Quiz: OCR Biology, Unit 4
20 questions
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Lesson 4.2.2a, Biological classification and taxonomy: 20 multiple choice questions for the OCR Biology (H020), Unit 4: Biodiversity, written with Revision Ninja.
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The 20 questions
-
Which set of taxonomic ranks is listed in correct descending order?
- Phylum, kingdom, class
- Class, order, phylum
- Kingdom, phylum, class
- Family, genus, order
-
Which two taxonomic ranks form the binomial scientific name of an organism?
- Family and genus
- Genus and species
- Order and species
- Kingdom and phylum
-
Which kingdom contains prokaryotic organisms?
- Protoctista
- Animalia
- Fungi
- Prokaryotae
-
Which kingdom contains multicellular organisms whose cell walls are made of chitin?
- Fungi
- Animalia
- Protoctista
- Plantae
-
Which kingdom contains mostly unicellular or simple multicellular eukaryotes, such as algae and protozoa?
- Protoctista
- Plantae
- Prokaryotae
- Fungi
-
Which domain contains organisms that often live in extreme environments and have cell walls without peptidoglycan?
- Bacteria
- Protoctista
- Eukarya
- Archaea
-
Which group contains the three domains of life in modern classification?
- Archaea, Bacteria, Eukarya
- Prokaryotae, Protoctista, Fungi
- Archaea, Eukarya, Protista
- Plantae, Animalia, Fungi
-
Which type of evidence led to the development of the three-domain system?
- Fossil evidence
- Behavioural evidence
- Anatomical evidence
- Molecular evidence
-
Which taxonomic level indicates the closest evolutionary relationship between two organisms?
- Genus
- Family
- Class
- Order
-
Which taxon is the most inclusive, grouping the largest number of organisms?
- Species
- Family
- Genus
- Domain
-
Which evidence is most reliable when classifying an organism with ambiguous physical features?
- Gross anatomy
- Geographical location
- Habitat type
- Molecular evidence
-
What is the primary advantage of using the binomial naming system globally?
- Tracks population size
- Shows habitat type
- Universal identification
- Indicates physical size
-
Why are biological classification systems periodically revised by taxonomists?
- New molecular data
- Extinction of species
- New common names
- Changing climate
-
How does the three-domain system divide the traditional kingdom Prokaryotae?
- It remains undivided
- Into two domains
- Into four domains
- Into three domains
-
What process causes unrelated organisms to evolve similar physical features?
- Convergent evolution
- Adaptive radiation
- Artificial selection
- Divergent evolution
-
Why can relying solely on observable features lead to incorrect biological classification?
- Disruptive selection
- Adaptive radiation
- Convergent evolution
- Genetic drift
-
What do shared molecular traits between Archaea and Eukarya indicate?
- Bacteria evolved last
- Recent common ancestor
- No evolutionary link
- Identical phenotypes
-
If a genus is reclassified into a new family, what happens to its species name?
- Changes completely
- Replaced by family
- Becomes invalid
- Remains unchanged
-
Which pair of organisms shares the most recent common ancestor?
- Same order
- Same genus
- Same family
- Same class
-
What is the main benefit of using a universal binomial naming system for organisms?
- Measuring population size
- Universal identification
- Predicting life expectancy
- Determining habitat range
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