Scientific classification
- 1. Scientific classification is a hierarchical system that describes the relationships among living organisms. It involves organizing species into different levels of groups based on their shared physical characteristics and evolutionary history. The main levels of classification, from broadest to most specific, are domain, kingdom, phylum, class, order, family, genus, and species. This system helps scientists to categorize and study the immense diversity of life on Earth, providing a way to understand the evolutionary connections between different species and their place in the natural world.
What is the science of classifying living organisms called?
A) Ecology
B) Taxonomy
C) Botany
D) Zoology
- 2. What is the highest taxonomic rank in the Linnaean classification system?
A) Phylum
B) Order
C) Class
D) Kingdom
- 3. Which kingdom includes organisms that are multicellular, eukaryotic, and photosynthetic?
A) Fungi
B) Protista
C) Animalia
D) Plantae
- 4. Which taxonomic rank is a group of similar families?
A) Genus
B) Class
C) Order
D) Species
- 5. On what basis are organisms grouped into kingdoms in the five-kingdom classification system?
A) Behavioral traits
B) Physical size
C) Geographical distribution
D) Cellular structure and mode of nutrition
- 6. Which kingdom includes organisms with cell walls made of chitin?
A) Protista
B) Animalia
C) Plantae
D) Fungi
- 7. In binomial nomenclature, the first part of the scientific name represents the ____.
A) Order
B) Phylum
C) Species
D) Genus
- 8. Which classification system uses evolutionary relationships to group organisms?
A) Binomial nomenclature
B) Cladistics
C) Linnaean taxonomy
D) Phylogenetics
- 9. Which domain includes organisms with prokaryotic cells?
A) Eukarya
B) Bacteria
C) Fungi
D) Archaea
- 10. Who is known as the 'Father of Taxonomy'?
A) Alfred Wallace
B) Gregor Mendel
C) Charles Darwin
D) Carl Linnaeus
- 11. Who developed the five-kingdom classification system?
A) Carl Linnaeus
B) Gregor Mendel
C) Robert Whittaker
D) Charles Darwin
- 12. What is the process of assigning each species a universally accepted name called?
A) Classification
B) Domestication
C) Nomenclature
D) Evolution
- 13. Which classification rank is a group of similar classes?
A) Species
B) Genus
C) Phylum
D) Family
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