The Living World.
(By. Ashwani Kumar)
1. How many species are known and described approximately?
A) 1 million
B) 2.5 million
C) 1.7-1.8 million —
D) 0.5 million
Ans. C
2. What does ICBN stand for?
A) International Council for Biological Names
B) Indian Code for Botanical Nomenclature
C) International Code for Botanical Nomenclature —
D) International Committee for Biological Naming
Ans: C
3. Which code is used by animal taxonomists for naming animals?
A) ICZN
B) ICBN
C) IBSC
D) NCERT
Ans A.
4. What does ICZN stand for?
A) International Community of Zoological Nomenclature
B) International Code of Zoological Nomenclature —
C) International Committee for Zonal Names
D) Indian Code for Zoological Naming
Ans: B
5. What is the main advantage of scientific names?
A) They are in English
B) They help in memorising faster
C) Each organism has only one universally accepted name —
D) They are easy to pronounce
Ans. C
6.. The system of giving names with two components is called —
A) Monomial nomenclature
B) Trinomial nomenclature
C) Binomial nomenclature —
D) Dual taxonomy
Ans: C
9. Who introduced the binomial system of nomenclature?
A) Charles Darwin
B) Gregor Mendel
C) Carolus Linnaeus —
D) Aristotle
Ans: C
10. In the scientific name Mangifera indica, what does "Mangifera" represent?
A) Species
B) Family
C) Order
D) Genus —
Ans: D
11. In Mangifera indica, what does "indica" represent?
A) Family name
B) Genus
C) Specific epithet —
D) Class
Ans: C
12. Biological names are generally in which language?
A) English
B) Sanskrit
C) Greek
D) Latin
Ans: D
13. How are biological names written when handwritten?
A) In bold
B) In capital letters
C) Underlined separately —
D) With dots between words
Ans: C
14. How are biological names printed to indicate Latin origin?
A) Bold
B) Underlined
C) Capitalized
D) Italicised —
Ans: D
15. What is the process of giving standard names to organisms called?
A) Classification
B) Nomenclature —
C) Evolution
D) Observation
Ans: B
16. What is the first step before naming an organism scientifically?
A) Reading a textbook
B) Describing and identifying the organism —
C) Photographing it
D) Coloring it
Ans: B
17. Who developed the binomial system of nomenclature?
A) Charles Darwin
B) Gregor Mendel
C) Carolus Linnaeus
D) Aristotle
Ans: C
18. In a scientific name, which part starts with a capital letter?
A) Specific epithet
B) Genus —
C) Family
D) Species
Ans: B
19.. In a biological name, which part begins with a small letter?
A) Genus
B) Phylum
C) Specific epithet —
D) Kingdom
Ans: C
20. What does the author’s name after the specific epithet indicate?
A) Who named the genus
B) The current scientist studying it
C) The person who first described the species —
D) The one who classified it
Ans: C
21.. What is the process of grouping organisms into categories called?
A) Nomenclature
B) Evolution
C) Classification —
D) Adaptation
Ans: C
22.. What is the scientific term for the process of classifying organisms into taxa?
A) Ecology
B) Taxonomy —
C) Morphology
D) Physiology
Ans: B
23. Early classifications of organisms were based on —
A) Scientific rules
B) Uses of organisms
C) Size of organisms
D) Ecosystems
Ans: B
24. Which of the following is the correct sequence of steps in taxonomy?
A) Identification → Nomenclature → Characterisation → Classification
B) Classification → Characterisation → Nomenclature → Identification
C) Characterisation → Identification → Classification → Nomenclature —
D) Nomenclature → Classification → Identification → Characterisation
Ans C
25. What is the first step in the process of taxonomy?
A) Nomenclature
B) Characterisation —
C) Identification
D) Classification
Ans: B
26. Identifying to which group an organism belongs is known as —
A) Nomenclature
B) Classification
C) Systematics
D) Identification —
Ans: D
27. Systematics includes which of the following?
A) Only classification
B) Only naming
C) Identification, classification, nomenclature, and study of relationships —
D) Evolutionary study only
Ans: C
28. Which of the following best explains the role of systematics in biology?
A) It helps in digestion
B) It helps in naming organisms
C) It helps understand evolutionary links between species —
D) It explains photosynthesis
Ans. C
29. Who authored the work titled Systema Naturae as part of his classification efforts?
A) Charles Darwin
B) Aristotle
C) Carolus Linnaeus
D) Gregor Mendel
Ans: C
30. What is the correct term for each rank or step in the taxonomic hierarchy?
A) Species
B) Category
C) Class
D) Genus
Ans: B
31. What is the lowest taxonomic category in both plants and animals?
A) Genus
B) Species
C) Order
D) Family
Ans: B
32. What is the correct scientific name for human beings?
A) Homo Sapiens
B) Homo sapiens
C) homo sapiens
D) Sapiens Homo
Ans: B
33. Which of these pairs belong to the same family Felidae?
A) Lion and cat —
B) Cat and dog
C) Dog and wolf
D) Leopard and wolf
Ans. A
34. The family Canidae includes which of the following?
A) Cats
B) Dogs
C) Tigers
D) Leopards
Ans: B
35. In plants, which genera belong to the family Solanaceae?
A) Rosa, Nelumbo, Hibiscus
B) Solanum, Petunia, Datura —
C) Zea, Oryza, Triticum
D) Mango, Guava, Jamun
Ans: B
36. Which order includes families like Felidae and Canidae?
A) Primata
B) Solanaceae
C) Carnivora —
D) Polymoniales
Ans: C
37. What category includes families like Solanaceae and Convolvulaceae based on floral characters?
A) Class
B) Order
C) Genus
D) Species
Ans: B
38. The class Mammalia includes which of the following orders?
A) Solanaceae and Convolvulaceae
B) Carnivora and Primata —
C) Felidae and Canidae
D) Poaceae and Fabaceae
Ans: B
39. What is the next higher category after Class in the animal kingdom?
A) Order
B) Genus
C) Phylum
D) Species
Ans: C
40. Which of the following classes belong to the same phylum?
A) Mammals and Birds —
B) Amphibians and Algae
C) Reptiles and Ferns
D) Birds and Insects
Ans: A
41. In the animal kingdom classification system, the highest taxonomic category is:
A) Phylum
B) Class
C) Order
D) Kingdom
Ans: D
42. In plants, similar classes are grouped under which higher category?
A) Phylum
B) Order
C) Division
D) Kingdom
Ans: C) Division
43. As we move from species to kingdom, the number of common characteristics among organisms:
A) Increases
B) Remains constant
C) Decreases
D) First increases then decreases
Ans. C
44. Which of the following statements is TRUE regarding lower taxonomic categories?
A) Fewer characteristics are shared
B) More characteristics are shared
C) They are broader categories
D) They are harder to classify
Ans: B)
45. The classification problem becomes more complex at:
A) Species level
B) Genus level
C) Kingdom level
D) Family level
Ans: C
46. Mangifera indica (Mango) belongs to which Family?
A. Poaceae
B. Muscidae
C. Anacardiaceae
D. Hominidae
Ans: C.
47. What is the Class of Mangifera indica (Mango)?
A. Dicotyledonae
B. Monocotyledonae
C. Insecta
D. Mammalia
Ans: A.
48. The Division of Mangifera indica is:
A. Chordata
B. Arthropoda
C. Angiospermae
D. Monocotyledonae
Ans: C.
49. The Order of Homo sapiens is:
A. Mammalia
B. Hominidae
C. Primata
D. Chordata
Ans: C.
50. . Triticum aestivum belongs to which Order?
A. Sapindales
B. Poales
C. Primata
D. Diptera
Ans: B.
51. What is the Order of Musca domestica (Housefly)?
A. Primata
B. Diptera
C. Insecta
D. Muscidae
Ans: B.
52. The Class of Triticum aestivum (Wheat) is:
A. Dicotyledonae
B. Insecta
C. Monocotyledonae
D. Mammalia
Ans C.
