MCQs: The Living World
1. Which of the following is not a characteristic of living organisms?
a) Growth
b) Reproduction
c) Metabolism
d) Decay
2. The process of naming and classifying organisms into groups based on similarities and differences is called:
a) Classification
b) Nomenclature
c) Taxonomy
d) Morphology
3. Which is the primary basis for the classification of living organisms?
a) Morphology
b) Habitat
c) Genetic makeup
d) Size
4. The branch of biology dealing with the study of identification, nomenclature, and classification of organisms is called:
a) Ecology
b) Taxonomy
c) Ethology
d) Anatomy
5. Who is known as the ‘Father of Taxonomy’?
a) Charles Darwin
b) Carl Linnaeus
c) Aristotle
d) Ernst Haeckel
6. The two-part scientific name of a species is known as:
a) Binary nomenclature
b) Binomial nomenclature
c) Trinomial nomenclature
d) Monomial nomenclature
7. Which of the following is not a criterion for defining living organisms?
a) Metabolism
b) Cellular organization
c) Consciousness
d) Inorganic composition
8. ‘Species’ is defined as a group of organisms that:
a) Can interbreed
b) Look similar
c) Live in the same habitat
d) Have the same DNA sequence
9. The term ‘Taxon’ refers to:
a) A group of related families
b) A taxonomic category
c) A group of related species
d) All of the above
10. Which of the following is a correctly written scientific name of a plant?
a) Mangifera Indica
b) mangifera Indica
c) Mangifera indica
d) mangifera indica
11. The universal rules of nomenclature are provided by:
a) ICBN
b) ICZN
c) IUCN
d) IBGE
12. Hierarchical classification involves arranging organisms into a series of groups that:
a) Are unrelated
b) Form a ladder of increasing complexity
c) Are randomly organized
d) All look alike
13. Which taxonomic rank directly comes above ‘Species’?
a) Family
b) Order
c) Genus
d) Class
14. Who coined the term ‘Biodiversity’?
a) Walter G. Rosen
b) Carl Linnaeus
c) Edward O. Wilson
d) Charles Darwin
15. Which one of the following is not an obligate feature of living beings?
a) Consciousness
b) Metabolism
c) Reproduction
d) Locomotion
16. What is the correct sequence of taxonomic hierarchy?
a) Kingdom > Class > Order > Family > Genus > Species
b) Kingdom > Phylum > Class > Order > Family > Genus > Species
c) Phylum > Kingdom > Class > Order > Family > Genus > Species
d) Kingdom > Phylum > Order > Class > Family > Genus > Species
17. ‘Order’ includes a group of:
a) Related genera
b) Related species
c) Related families
d) Related classes
18. Which category includes the largest number of organisms?
a) Species
b) Genus
c) Class
d) Kingdom
19. What does the term ‘taxonomy’ refer to?
a) The study of evolutionary relationships
b) The naming of organisms
c) The classification of organisms
d) Both b and c
20. What is the correct order of classification categories?
a) Species > Genus > Family > Order > Class > Phylum > Kingdom
b) Kingdom > Phylum > Class > Order > Family > Genus > Species
c) Phylum > Class > Kingdom > Order > Family > Genus > Species
d) Genus > Species > Family > Order > Class > Phylum > Kingdom
21. The science of grouping living things is called:
a) Ecology
b) Ethology
c) Systematics
d) Evolution
22. The scientific name of an organism consists of:
a) Family and genus
b) Order and species
c) Genus and species
d) Species and family
23. The term 'phylum' is used for animals whereas the term used for plants is:
a) Kingdom
b) Class
c) Division
d) Order
24. Which of the following is the highest category of classification?
a) Class
b) Order
c) Phylum
d) Kingdom
25. Who introduced the binomial nomenclature system?
a) Ernst Mayr
b) Carl Linnaeus
c) Aristotle
d) Charles Darwin
26. Which of the following is an example of an artificial classification system?
a) Theophrastus system
b) Linnaeus system
c) Bentham and Hooker system
d) Phylogenetic system
27. The taxonomic category ‘family’ falls between:
a) Order and genus
b) Class and order
c) Genus and species
d) Phylum and class
28. Which of the following refers to the variety of life forms found on earth?
a) Ecology
b) Biodiversity
c) Taxonomy
d) Conservation biology
29. Which taxonomic category is the most specific?
a) Kingdom
b) Phylum
c) Genus
d) Species
30. The biological concept of species was given by:
a) Charles Darwin
b) Ernst Mayr
c) Carl Linnaeus
d) Gregor Mendel
31. Which one is a correct example of a biological name?
a) Homo sapiens
b) Homo Sapiens
c) homo sapiens
d) Homo Sapiens
32. The correct sequence of taxonomic hierarchy is:
a) Class > Order > Family > Species > Genus
b) Species > Genus > Family > Order > Class
c) Kingdom > Class > Order > Genus > Species
d) Kingdom > Phylum > Class > Order > Family > Genus > Species
33. A taxon comprising species which are fundamentally similar is called:
a) Family
b) Order
c) Genus
d) Phylum
34. Which of the following characteristics is not shown by living organisms?
a) Adaptation
b) Growth from within
c) Response to stimuli
d) Decay after death
35. Which type of nomenclature ensures that each organism has only one name?
a) Polynomial
b) Binomial
c) Trinomial
d) Quadrinomial
36. Which one of the following is a correct sequence of taxonomic categories?
a) Family > Class > Phylum > Kingdom
b) Kingdom > Phylum > Class > Family > Genus
c) Order > Family > Genus > Species
d) Class > Order > Family > Genus > Species
37. Which term refers to the study of the relationship between living organisms and their environment?
a) Ecology
b) Ethology
c) Taxonomy
d) Genetics
38. Taxonomic category between ‘family’ and ‘species’ is:
a) Genus
b) Class
c) Order
d) Phylum
39. ICBN stands for
a) International Code of Botanical Nomenclature
b) International Code of Biological Nomenclature
c) International Council of Biological Nomenclature
d) Indian Code of Botanical Nomenclature
40. The species that are reproductively isolated from others are termed as:
a) Ecological species
b) Biological species
c) Morphological species
d) Evolutionary species
41. Which concept of species is based on morphological features?
a) Biological concept
b) Morphological concept
c) Ecological concept
d) Genetic concept
42. Who proposed the five-kingdom classification system?
a) Ernst Mayr
b) R.H. Whittaker
c) Carl Linnaeus
d) Charles Darwin
43. Which is not a domain in the three-domain system of classification?
a) Bacteria
b) Archaea
c) Eukarya
d) Protista
44. A major difference between a kingdom and a species is that:
a) Species is the highest taxonomic category
b) Kingdom includes a group of related phyla
c) Kingdom is a more specific taxon than species
d) Species includes a group of related kingdoms
45. The naming of a species involves:
a) Assigning a common name
b) Assigning a scientific name
c) Assigning both a common and scientific name
d) Naming it based on region
46. The classification which is based on evolutionary relationships is called:
a) Natural classification
b) Artificial classification
c) Phylogenetic classification
d) Modern classification
47. Which of the following includes a group of closely related species?
a) Family
b) Order
c) Genus
d) Phylum
48. Which of the following scientists coined the term ‘systematics’?
a) Carl Linnaeus
b) Charles Darwin
c) Ernst Mayr
d) Julian Huxley
49. Who is credited with establishing the binomial system of nomenclature?
a) Gregor Mendel
b) R.H. Whittaker
c) Carl Linnaeus
d) Jean-Baptiste Lamarck
50. In binomial nomenclature, the first part of the name denotes the:
a) Species
b) Genus
c) Family
d) Order
Answers:
1. d) Decay
2. c) Taxonomy
3. c) Genetic makeup
4. b) Taxonomy
5. b) Carl Linnaeus
6. b) Binomial nomenclature
7. d) Inorganic composition
8. a) Can interbreed
9. d) All of the above
10. c) Mangifera indica
11. a) ICBN
12. b) Form a ladder of increasing complexity
13. c) Genus
14. c) Edward O. Wilson
15. d) Locomotion
16. b) Kingdom > Phylum > Class > Order > Family > Genus > Species
17. c) Related families
18. d) Kingdom
19. d) Both b and c
20. b) Kingdom > Phylum > Class > Order > Family > Genus > Species
21. c) Systematics
22. c) Genus and species
23. c) Division
24. d) Kingdom
25. b) Carl Linnaeus
26. a) Theophrastus system
27. a) Order and genus
28. b) Biodiversity
29. d) Species
30. b) Ernst Mayr
31. a) Homo sapiens
32. d) Kingdom > Phylum > Class > Order > Family > Genus > Species
33. c) Genus
34. d) Decay after death
35. b) Binomial
36. c) Order > Family > Genus > Species
37. a) Ecology
38. a) Genus
39. a) International Code of Botanical Nomenclature
40. b) Biological species
41. b) Morphological concept
42. b) R.H. Whittaker
43. d) Protista
44. b) Kingdom includes a group of related phyla
45. b) Assigning a scientific name
46. c) Phylogenetic classification
47. c) Genus
48. c) Ernst Mayr
49. c) Carl Linnaeus
50. b) Genus
Comentarios