30+ Multiple Choice Questions On Classification Of Organisms 2024

In this post, 30+ Multiple Choice Questions On the Classification Of Organisms have been given for the upcoming exam preparation.

You can also read these questions as GK questions. 

Classification of organisms' questions and answers will improve your knowledge level. 

This topic is related to Biology subject. These questions have been collected from many resources. 

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Mcq on the classification of organisms is given below.

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Biology Classification Questions And Answers

Classification Of Organisms

Which of the following is not a domain of life? 

(a) Archaea 

(b) Eukarya 

(c) Bacteria 

(d) Fungi 

Answer: (d) Fungi

Which of the following organisms can be found in extreme saline conditions? 

(a) Eubacteria 

(b) Archaebacteria 

(c) Cyanobacteria 

(d) Mycobacteria

Answer: (b) Archaebacteria

What is the name of the system used to classify organisms?

(a) Binomial nomenclature

(b) Phylogenetic system

(c) Linnaean system

(d) Evolutionary system

Answer: (c) Linnaean system

Which of the following is a characteristic used to classify organisms in the Linnaean system?

(a) Genotype

(b) Phenotype

(c) Habitat

(d) Size

Answer: (b) Phenotype

What is the scientific name for the common house cat?

(a) Felis catus

(b) Felis domesticus

(c) Canis familiaris

(d) Canis lupus

Answer: (a) Felis catus

Which of the following is not a subdomain of the domain Eukarya?

(a) Fungi

(b) Protista

(c) Animalia

(d) Eubacteria

Answer: (d) Eubacteria

The smallest taxon of classification is ______________.

(a) Kingdom

(b) Family

(c) Variety

(d) Species

Answer: (d) Species

Which of the following is a characteristic used to classify organisms in the molecular system?

(a) Morphology

(b) Molecular data

(c) Habitat

(d) Reproductive behavior

Answer: (b) Molecular data

ICBN stands for _______.

(a) International Code of Botanical Nomenclature

(b) Indian Code of Botanical Nomenclature

(c) Indian Congress of Biological names

(d) Indian Congress of Botanical Nomenclature

Answer: (a) International Code of Botanical Nomenclature

What is the scientific name for the common house fly?

(a) Musca domestica

(b) Drosophila melanogaster

(c) Apis mellifera

(d) Tenebrio molitor

Answer: (a) Musca domestica

Which organisms are incapable of reproduction?

(a) Interspecific

(b) Mature

(c) Reproductive

(d) Sterile

Answer: (d) Sterile

Which of the following is not a class in the animal kingdom?

(a) Insecta

(b) Reptilia

(c) Mammalia

(d) Fungi

Answer: (d) Fungi

Who wrote the book “Genera Plantarum”?

(a) Bessey

(b) Benthem and Hooker

(c) Linnaeus

(d) Hutchinson

Answer: (c) Linnaeus

What is the scientific name for the common honey bee?

(a) Apis mellifera

(b) Bombus terrestris

(c) Megachile rotundata

(d) Xylocopa violacea

Answer: (a) Apis mellifera

Genes of Tobacco Mosaic Virus are _______.

(a) Double-stranded RNA

(b) Single-stranded RNA

(c) Double-stranded DNA

(d) Proteinaceous

Answer: (b) Single-stranded RNA

Which of the following is not a division in the plant kingdom?

(a) Bryophyta

(b) Angiosperms

(c) Gymnosperms

(d) Porifera

Answer: (d) Porifera

Blue-green algae belong to which group?

(a) Protista

(b) Prokaryotes

(c) Fungi

(d) Bryophytes

Answer: (b) Prokaryotes

Which of the following is not a kingdom in the phylogenetic system?

(a) Animalia

(b) Plantae

(c) Fungi

(d) Protista

Answer: (d) Protista

What is the scientific name for the common chimpanzee?

(a) Pan troglodytes

(b) Gorilla gorilla

(c) Pongo pygmaeus

(d) Homo sapiens

Answer: (a) Pan troglodytes

The static concept of species was proposed by _______.

(a) Darwin

(b) Theophrastus

(c) Linnaeus

(d) De Candolle

Answer: (c) Linnaeus

Which of the following is a characteristic used to classify organisms in the cladistic system?

(a) Morphology

(b) Molecular data

(c) Habitat

(d) Reproductive behavior

Answer: (b) Molecular data

What is the scientific name for the common fruit fly?

(a) Drosophila melanogaster

(b) Musca domestica

(c) Apis mellifera

(d) Tenebrio molitor

Answer: (a) Drosophila melanogaster

What is the correct order of taxonomic ranks, from largest to smallest?

(a) Kingdom, phylum, class, order, family, genus, species

(b) Kingdom, family, phylum, class, genus, order, species

(c) Phylum, kingdom, family, class, order, genus, species

(d) Kingdom, phylum, family, class, genus, order, species

Answer: (a) Kingdom, phylum, class, order, family, genus, species

What is a taxon?

(a) A group of related families

(b) A type of living organisms

(c) A group of related species

(d) A group of any ranking

Answer: (d) A group of any ranking

What is the highest taxonomic rank in the Linnaean system?

(a) Kingdom

(b) Phylum

(c) Order

(d) Species

Answer: (a) Kingdom

African Sleeping Sickness is caused by _______.

(a) Trypanozoma cruzi

(b) T. Tangela

(c) T. rhodesiense

(d) T. gambiense

Answer: (d) T. gambiense

Which of the following is a characteristic used to classify organisms in the phylogenetic system?

(a) Morphology

(b) Habitat

(c) Behavior

(d) Reproduction

Answer: (a) Morphology

What is the scientific name for humans?

(a) Homo sapiens

(b) Homo erectus

(c) Homo habilis

(d) Homo neanderthalensis

Answer: (a) Homo sapiens

Bentham and Hooker gave which system of classification?

(a) Numerical

(b) Phylogenetic

(c) Artificial

(d) Natural

Answer: (d) Natural

Which of the following is not a phylum in the animal kingdom?

(a) Chordata

(b) Mollusca

(c) Arthropoda

(d) Bryophyta

Answer: (d) Bryophyta

Which of the following is not a kingdom in the Linnaean system?

(a) Protista

(b) Plantae

(c) Fungi

(d) Animalia

(e) All the above

Answer: (e) All of the above

Which of the following is NOT a classification of marine organisms? 

(A) Benthos 

(B) Neritic 

(C) Nekton 

(D) Plankton

Answer: (B) Neritic

Which classification of marine organisms includes swordfish and sharks?

(A) Neritic 

(B) Benthos 

(C) Nekton 

(D) Plankton

Answer: (C) Nekton

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