21. What is the term used to describe the hierarchy of steps in classification?
a) Taxonomic hierarchy
b) Hierarchical taxonomy
c) Classification arrangement
d) Organism categorization
22. What are the individual units of classification known as?
a) Taxonomic hierarchy
b) Taxa
c) Species
d) Organisms
23. Which of the following represents the correct order of taxonomic categories from lowest to highest?
a) Family, genus, species, order
b) Species, genus, family, order
c) Order, family, genus, species
d) Genus, family, order, species
24. What is the lowest taxonomic category shared by all organisms?
a) Kingdom
b) Genus
c) Family
d) Species
25. How are species differentiated from closely related species?
a) Based on genetic differences
b) Based on habitat differences
c) Based on distinct morphological differences
d) Based on ecological roles
26. Which of the following species is not belongs to genus “Solanum” ?
a) S. tuberosum (patato)
b) S. nigrum (blackberry nightshade)
c) S. splendens (Red Riches)
d) S. melongena (Eggplant)
27. How are families in the classification of organisms characterized?
a) Based solely on vegetative features
b) Based solely on reproductive features
c) Based on both vegetative and reproductive features
d) Based on the number of species within the genus
28. Which taxonomic category includes related orders?
a) Family
b) Genus
c) Class
d) Phylum
29. Which category includes both monkeys and tigers?
a) Genus
b) Order
c) Family
d) Class
30. What is the highest taxonomic category for animals?
a) Order
b) Class
c) Phylum
d) Kingdom
31. Which taxonomic category includes animals like fishes, reptiles, birds, and mammals?
a) Family
b) Genus
c) Phylum
d) Kingdom
32. What is the distinguishing feature of the Phylum Chordata?
a) Presence of notochord
b) Presence of flowers
c) Presence of chloroplasts
d) Presence of feathers
33. What happens to the number of common characteristics as you move from species to kingdom?
a) Increases
b) Decreases
c) Remains constant
d) Varies unpredictably
34. Which taxonomic category becomes more complex as it goes higher?
a) Kingdom
b) Class
c) Family
d) Genus
35. What is the purpose of developing sub-categories within the taxonomic hierarchy?
a) To create more confusion
b) To facilitate a more sound and scientific placement of taxa
c) To reduce the number of categories
d) To simplify the classification process
36. What do housefly, man, mango, and wheat have in common in terms of taxonomic categories?
a) They all belong to the same genus
b) They all belong to the same family
c) They all belong to the same order
d) They are categorized in different taxonomic levels