NEET UG - Taxonomy and systematics, concept of species and taxonomical hierarchy Online Test (MCQ Quiz)

1. Who is regarded as the 'Father of Taxonomy'?

A) Charles Darwin B) Gregor Mendel C) Carolus Linnaeus D) Aristotle

2. What is the primary basis for modern biological classification?

A) Geographical distribution B) Evolutionary relationships (phylogeny) C) Habitat preference D) Economic importance

3. Which term refers to the scientific study of the diversity of life on Earth, including its evolutionary history and ecological relationships?

A) Taxonomy B) Systematics C) Botany D) Zoology

4. The process of naming organisms according to a standardized system is called:

A) Classification B) Identification C) Nomenclature D) Systematization

5. Which of the following is the most fundamental unit of classification in biological taxonomy?

A) Genus B) Species C) Family D) Order

6. A group of organisms that can interbreed and produce fertile offspring is known as a:

A) Genus B) Species C) Variety D) Breed

7. The taxonomic hierarchy, from broadest to narrowest rank, is:

A) Kingdom, Phylum, Class, Order, Family, Genus, Species B) Species, Genus, Family, Order, Class, Phylum, Kingdom C) Kingdom, Class, Phylum, Order, Family, Species, Genus D) Phylum, Kingdom, Class, Family, Order, Genus, Species

8. In the Linnaean system, the rank above Genus is:

A) Species B) Family C) Order D) Class

9. The taxonomic rank 'Family' is placed between which two ranks?

A) Order and Genus B) Class and Order C) Genus and Species D) Phylum and Class

10. Which taxonomic rank contains one or more related genera?

A) Order B) Family C) Class D) Phylum

11. A group of similar orders forms a:

A) Family B) Class C) Phylum D) Kingdom

12. The taxonomic category that groups together classes with similar characteristics is called a:

A) Order B) Family C) Phylum D) Genus

13. The broadest taxonomic rank, encompassing all living organisms, is:

A) Phylum B) Class C) Kingdom D) Domain

14. What does 'binomial nomenclature' refer to?

A) A classification system with two main kingdoms B) A naming system using two parts: Genus and species C) A method of identifying organisms using two keys D) A system of classifying organisms into two domains

15. According to binomial nomenclature, the scientific name of an organism consists of:

A) Genus name only B) Species name only C) Genus and species name D) Genus, species, and authority name

16. In a scientific name like 'Homo sapiens', which part is the Genus name?

A) Homo B) sapiens C) Homo sapiens D) H.

17. In binomial nomenclature, the species name is:

A) Always capitalized B) Always in italics or underlined C) The same as the Genus name D) A single word

18. The genus name in binomial nomenclature is:

A) Written in lowercase B) Always capitalized C) Underlined D) A plural noun

19. The authority name, indicating the scientist who first described the species, is typically:

A) Placed before the genus name B) Placed after the species name C) Written in italics D) A single letter abbreviation

20. Which of the following is a correct example of binomial nomenclature?

A) Panthera Leo B) panthera leo C) Panthera leo D) Panthera leonis

21. Systematics differs from taxonomy in that systematics:

A) Only focuses on naming organisms B) Includes the evolutionary history and relationships of organisms C) Deals only with plants D) Is an outdated field of study

22. Keys used in taxonomy for identification are generally based on:

A) Similarities in habitat B) Contrasting characteristics (couplets) C) Economic uses D) Geographical distribution

23. The term 'systematics' was coined by:

A) Carolus Linnaeus B) John Ray C) Charles Darwin D) Aristotle

24. A collection of all known species of organisms is referred to as:

A) Taxon B) Taxonomy C) Biodiversity D) Systematics

25. What is a 'taxon' (plural: taxa)?

A) A scientific name B) A taxonomic unit at any level C) A classification key D) A method of identification

26. The International Code of Botanical Nomenclature (ICBN) ensures:

A) Uniformity in naming plants B) Uniformity in naming animals C) Uniformity in naming bacteria D) Uniformity in naming viruses

27. The International Code of Zoological Nomenclature (ICZN) governs:

A) Naming of plants B) Naming of animals C) Naming of fungi D) Naming of microorganisms

28. Which of the following is NOT a taxonomic rank?

A) Class B) Order C) Variety D) Kingdom

29. A group of closely related species forms a:

A) Family B) Order C) Genus D) Class

30. The definition of 'species' is most problematic for organisms that:

A) Reproduce sexually B) Reproduce asexually C) Are extinct D) Are domesticated

31. The biological concept of species is primarily based on:

A) Morphological similarities B) Genetic similarities C) Reproductive isolation D) Geographical isolation

32. Which of the following is a monotypic genus?

A) A genus with many species B) A genus with only one species C) A genus that is extinct D) A genus that is not yet named

33. Systematics uses data from various fields, including:

A) Paleontology and Embryology B) Biochemistry and Cytology C) Morphology and Anatomy D) All of the above

34. Linnaeus's major contribution to taxonomy was the development of:

A) The theory of evolution B) The five-kingdom system C) Binomial nomenclature and a hierarchical classification system D) The concept of natural selection

35. The taxonomic category 'Order' is a subdivision of:

A) Family B) Class C) Phylum D) Genus

36. Which of the following represents a higher taxonomic category than 'Family'?

A) Genus B) Species C) Order D) Variety

37. The grouping of organisms based on shared derived characteristics is known as:

A) Artificial classification B) Numerical taxonomy C) Cladistics D) Phenetics

38. Which of these is an example of a species name?

A) Felis B) catus C) Felis catus D) F.

39. The term 'systema naturae' refers to:

A) A classification key B) A treatise by Linnaeus outlining his system of nature C) The study of ecosystems D) The process of speciation

40. The fundamental requirement for establishing a new species name is:

A) Publication in a popular magazine B) Description in a peer-reviewed scientific journal C) Presentation at a local club meeting D) Approval by a government agency

41. What is a 'holotype' in taxonomy?

A) A collection of all specimens of a species B) A single specimen designated as the name-bearing type for a species C) A photograph of the original specimen D) A diagram illustrating the species

42. Which of the following taxonomic groups is ranked below Order but above Species?

A) Kingdom B) Phylum C) Family D) Class

43. The study of the principles of classification and the rules that govern the naming of organisms is called:

A) Ecology B) Evolution C) Systematics D) Taxonomic methodology

44. When two species can no longer interbreed and produce fertile offspring, they are considered:

A) Closely related B) Reproductively isolated C) Homologous D) Analogous

45. The concept of 'artificial classification' is based on:

A) Few, easily observed characters B) Evolutionary relationships C) Natural affinities D) Reproductive compatibility

46. The concept of 'natural classification' is based on:

A) Superficial similarities B) Number of stamens C) Natural affinities and evolutionary relationships D) Economic utility

47. The taxonomic rank 'Phylum' is equivalent to which rank in botany?

A) Order B) Class C) Division D) Family

48. Which of the following is a correct representation of a scientific name for a dog?

A) Canis Familiaris B) canis familiaris C) Canis familiaris D) Canis lupus familiaris

49. Systematists use phylogenetic trees to represent:

A) Geographical distribution of species B) Morphological variations within a species C) Evolutionary relationships among organisms D) Ecological niches of different species

50. The term 'typification' in nomenclature refers to:

A) The process of naming a new species B) The designation of type specimens C) The classification of a genus D) The study of fossils

Taxonomy and systematics, concept of species and taxonomical hierarchy - Online Test

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