The Living World Chapter-Wise Test 14

Correct answer Carries: 4.

Wrong Answer Carries: -1.

Which of the following statements about classification is incorrect?

It groups organisms into convenient categories.
It may use easily observable characters for grouping organisms.
It makes the study of the large diversity of organisms manageable.
It is applicable only to animals and not to plants.
4

Classification applies to all organisms, including plants and animals. It groups organisms into convenient categories and makes their study manageable.

Which combination of taxonomic categories correctly represents mango?

Genus: Triticum; Family: Poaceae; Order: Poales
Genus: Mangifera; Family: Solanaceae; Order: Polymoniales
Genus: Mangifera; Family: Anacardiaceae; Order: Sapindales
Genus: Musca; Family: Muscidae; Order: Diptera
3

Mango is Mangifera indica. It belongs to the genus Mangifera, family Anacardiaceae and order Sapindales.

Which of the following correctly represents the taxonomic hierarchy from lowest to highest?

Species → Genus → Family → Order → Class → Phylum → Kingdom
Genus → Species → Family → Order → Phylum → Class → Kingdom
Species → Family → Genus → Class → Order → Phylum → Kingdom
Order → Family → Genus → Class → Species → Phylum → Kingdom
1

The ascending hierarchy in animals is Species → Genus → Family → Order → Class → Phylum → Kingdom. In plants, division is used in place of phylum.

Felidae and Canidae share a few similar characters. In which higher category are these families placed together?

Mammalia
Carnivora
Chordata
Panthera
2

Felidae and Canidae are related families included in the order Carnivora. An order is an assemblage of families that share a few similar characters.

Which of the following is NOT a rule of biological nomenclature?

Biological names are generally in Latin or are Latinised.
The first word represents the genus and the second denotes the specific epithet.
The two words are underlined separately when handwritten.
The generic name begins with a small letter.
4

The generic name begins with a capital letter, whereas the specific epithet begins with a small letter. When handwritten, the two words are underlined separately.

Which statement correctly describes systematics?

It is restricted to assigning scientific names.
It excludes identification and classification.
It includes identification, nomenclature and classification and considers evolutionary relationships.
It classifies organisms only according to their economic uses.
3

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

Which of the following taxonomic categories is the most specific?

Family
Species
Order
Genus
2

Species is the lowest and most specific taxonomic category. Its members share more characteristics than members grouped at higher taxonomic levels.

On what basis were the earliest classifications of organisms made?

Their usefulness to human beings
Their positions in the taxonomic hierarchy
Their scientific names
Their evolutionary relationships
1

The earliest classifications were based on the uses of organisms because human beings needed sources of food, clothing and shelter.

Which option correctly represents the taxonomic position of humans as given in the chapter?

Homo sapiens, Felidae, Primata, Mammalia, Chordata
Homo sapiens, Hominidae, Carnivora, Mammalia, Chordata
Homo sapiens, Canidae, Carnivora, Mammalia, Chordata
Homo sapiens, Hominidae, Primata, Mammalia, Chordata
4

Humans belong to the species Homo sapiens, family Hominidae, order Primata, class Mammalia and phylum Chordata.

Which international code provides principles for the scientific naming of animals?

International Code for Botanical Nomenclature (ICBN)
International Code of Zoological Nomenclature (ICZN)
International Union for Conservation of Nature (IUCN)
World Health Organization (WHO)
2

The International Code of Zoological Nomenclature provides internationally accepted principles for assigning scientific names to animals.

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