The Living World
Test-2

Correct answer Carries: 4.

Wrong Answer Carries: -1.

What is the significance of systematics in biological classification?

It deals only with assigning names to species.
It also considers evolutionary relationships among organisms.
It classifies organisms only according to their external appearance.
It excludes identification and classification.
2

Systematics includes identification, nomenclature and classification, and also takes evolutionary relationships among organisms into account.

Which of the following correctly represents a binomial scientific name?

homo sapiens
Homo Sapiens
Homo sapiens
homo Sapiens
3

In a biological name, the generic name begins with a capital letter and the specific epithet begins with a small letter. When printed, both words are written in italics, as in Homo sapiens.

What does the term “taxon” refer to in biological classification?

A unit of classification representing a rank or category
Only the species category
A rule used for writing scientific names
A method used only for identifying plants
1

A taxon is a unit of classification representing a rank or category. Species, genus, family and other categories are taxa at different hierarchical levels.

Which set of processes is basic to taxonomy?

Characterisation, identification, classification and nomenclature
Growth, reproduction, metabolism and consciousness
Mutation, selection, isolation and adaptation
Observation, hybridisation, cultivation and preservation
1

Characterisation, identification, classification and nomenclature are the basic processes involved in taxonomy.

Which taxonomic category contains organisms with the greatest number of common characteristics?

Species
Genus
Class
Phylum
1

Species is the lowest category among the given options. Members of a lower taxon share more common characteristics than members of a higher taxon.

What is identification in the study of living organisms?

Assigning an organism to a kingdom without describing it
Determining the organism to which a particular name is attached
Arranging all organisms according to their uses
Writing every local name in Latin
2

Identification involves correctly describing an organism and determining the organism to which a particular name is attached.

What does “Linn.” indicate in the biological name Mangifera indica Linn.?

The species belongs to the family Linnaeaceae.
The species was first described by Linnaeus.
The plant was first found in India.
The name is written in the Linnaean language.
2

The abbreviated author name written after the specific epithet indicates the scientist who first described the species. “Linn.” indicates Linnaeus.

Which statement correctly describes a genus?

It is an assemblage of related families.
It is a group of related species having several characters in common.
It is the highest category in biological classification.
It contains only one organism.
2

A genus is a group of closely related species. Species within the same genus share more characters with one another than with species of other genera.

Which of the following correctly matches an organism with its family?

Housefly — Muscidae
Mango — Poaceae
Wheat — Anacardiaceae
Human — Felidae
1

The housefly, Musca domestica, belongs to the family Muscidae. Mango belongs to Anacardiaceae, wheat to Poaceae and humans to Hominidae.

Which statement correctly describes the taxonomic category “order”?

It is an assemblage of related families sharing a few similar characters.
It is a group of individual organisms with fundamental similarities.
It is an assemblage of related classes.
It is the lowest category in the taxonomic hierarchy.
1

Order is a higher category formed by grouping related families that share a few similar characters. For example, the order Carnivora includes the families Felidae and Canidae.

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