Which of the following is the correct way of writing a scientific name of an organism?
Solution
The correct way of writing a scientific name of an organism is in italics with the genus name capitalized and the species name in lowercase. Therefore, "canis lupis" is the correct format.
Select the mismatched pair:
Solution
Amoeba belongs to the kingdom Protista, not Animalia. Therefore, the mismatched pair is "Animalia → Amoeba".
Identify the correct sequence of classifying an organism:
Solution
The correct sequence of classifying an organism is from the broadest category to the most specific: Kingdom → Phylum → Class → Order → Family → Genus → Species.
All are involved in classification except:
Solution
Cytology is the study of cells and is not directly involved in the classification of organisms. Analogous, homologous, and genetics are used in classification.
In the taxonomic hierarchy, choose the term which encompasses all others in the list:
Solution
In the taxonomic hierarchy, Class (IV) encompasses Genus (I), Species (II), and Order (III).
In the four-kingdom classification, kingdom Metaphyta includes all of the following except:
Solution
In the four-kingdom classification, kingdom Metaphyta includes Angiosperms, Gymnosperms, and Bryophyta, but not Algae.
In the five-kingdom system, viruses are placed in:
Solution
Viruses are not placed in any of the five kingdoms because they are not considered living organisms.
The biological name of a cat is:
Solution
The biological name of a cat is Felis catus.
Members of which kingdom have cell walls and are all heterotrophic?
Solution
Members of the kingdom Fungi have cell walls and are all heterotrophic.
Biodiversity is affected by:
Solution
Biodiversity is affected by pollution, deforestation, and overhunting.
What term describes the degree of variation among species in different regions?
Solution
Biodiversity describes the degree of variation among species in different regions.
What naming system is universally used for all species?
Solution
Scientific names are universally used for all species.
Which structures share similar internal architecture but differ in function?
Solution
Homologous structures share similar internal architecture but differ in function.
The science of classification is termed:
Solution
The science of classification is termed Taxonomy.
Fungi are described as:
Solution
Fungi are described as achlorophyllous and absorptive.
Viruses are classified as:
Solution
Viruses are classified as non-cellular obligate parasites.
The term for large-scale tree removal is:
Solution
The term for large-scale tree removal is deforestation.
Animals at risk of future extinction are called:
Solution
Animals at risk of future extinction are called endangered.
Classification based on similar function but different structures is termed:
Solution
Classification based on similar function but different structures is termed analogous classification.
The smallest unit of taxonomic classification is:
Solution
The smallest unit of taxonomic classification is species.
Who is regarded as the "Father of Taxonomy"?
Solution
Carolus Linnaeus is regarded as the "Father of Taxonomy".
The five-kingdom classification system was proposed by:
Solution
The five-kingdom classification system was proposed by Robert Whittaker.
Which system introduced the concept of binomial nomenclature?
Solution
The Linnaean taxonomy introduced the concept of binomial nomenclature.
The term "taxonomic hierarchy" refers to:
Solution
The term "taxonomic hierarchy" refers to a ladder-like arrangement of taxa in ascending order.
Biodiversity is best defined as:
Solution
Biodiversity is best defined as the variation among species across different regions.
Which of these is NOT a component of biodiversity?
Solution
Minerals are not a component of biodiversity.
Which structures are analogous?
Solution
Wings of butterfly and bat are analogous structures because they have similar functions but different origins.
What is the basis of homologous structures?
Solution
The basis of homologous structures is similar structure but different function.
The basic unit of classification is:
Solution
The basic unit of classification is species.
Which defines a species?
Solution
A species is defined as organisms that can interbreed and produce fertile offspring.
Primary aim of classification is to:
Solution
The primary aim of classification is to determine evolutionary relationships and simplify the study of organisms.
The Two Kingdom Classification grouped organisms based on:
Solution
The Two Kingdom Classification grouped organisms based on the presence or absence of a cell wall.
Who proposed the Three Kingdom Classification by adding Protista?
Solution
Ernst Haeckel proposed the Three Kingdom Classification by adding Protista.
Which kingdom was introduced in the Four Kingdom System to accommodate prokaryotes?
Solution
The kingdom Monera was introduced in the Four Kingdom System to accommodate prokaryotes.
Robert Whittaker’s Five Kingdom Classification categorizes fungi based on their:
Solution
Robert Whittaker’s Five Kingdom Classification categorizes fungi based on their absorptive heterotrophy.
In the Two Kingdom System, animals were distinguished from plants by:
Solution
In the Two Kingdom System, animals were distinguished from plants by the presence of a contractile system.
Which kingdom included bacteria and cyanobacteria in the Four Kingdom Classification?
Solution
The kingdom Monera included bacteria and cyanobacteria in the Four Kingdom Classification.
The Five Kingdom System classifies organisms based on:
Solution
The Five Kingdom System classifies organisms based on cellular structure, body organization, and mode of nutrition.
Fungi were placed in a separate kingdom in the classification proposed by:
Solution
Fungi were placed in a separate kingdom in the classification proposed by Robert Whittaker.
Which kingdom includes prokaryotic organisms?
Solution
The kingdom Monera includes prokaryotic organisms.
Heterocysts and akinetes are structures found in:
Solution
Heterocysts and akinetes are structures found in cyanobacteria.
Kingdom Protista includes organisms that are:
Solution
Kingdom Protista includes organisms that are unicellular and eukaryotic.
Fungi are classified as heterotrophs because they:
Solution
Fungi are classified as heterotrophs because they absorb nutrients from dead/decaying matter.
Cell walls made of chitin are characteristic of:
Solution
Cell walls made of chitin are characteristic of fungi.
Which group is NOT part of Kingdom Plantae?
Solution
Protozoa is not part of Kingdom Plantae.
Animals differ from plants in that they:
Solution
Animals differ from plants in that they lack cell walls and are ingestive heterotrophs.
Viruses are excluded from the Five Kingdoms because they:
Solution
Viruses are excluded from the Five Kingdoms because they lack cellular organization.
Slime moulds are classified under:
Solution
Slime moulds are classified under Protista.
Which feature is common to both cyanobacteria and plants?
Solution
Autotrophic nutrition is a feature common to both cyanobacteria and plants.
Which kingdom has organisms with both autotrophic and heterotrophic nutrition?
Solution
Monera and Protista have organisms with both autotrophic and heterotrophic nutrition.
Nuclear membrane is absent in:
Solution
Nuclear membrane is absent in Monera.
Cellulose cell walls are found in:
Solution
Cellulose cell walls are found in Plantae only.
The mode of nutrition in Animalia is:
Solution
The mode of nutrition in Animalia is holozoic.
Prions and viroids are not classified in any kingdom because they:
Solution
Prions and viroids are not classified in any kingdom because they are non-cellular particles.
Which organism’s scientific name is Musca domestica?
Solution
The scientific name Musca domestica refers to the housefly.
How does deforestation exacerbate climate change?
Solution
Deforestation exacerbates climate change by increasing greenhouse gases.