30 Multiple Choice Questions with answers on the topic Diversity in the Living World for Class 12th Biology:
Diversity in the Living World - Multiple Choice Questions
1.The branch of biology that deals with the study of the variety of life forms on Earth is known as
a) Ecology
b) Taxonomy
c) Physiology
d) Morphology
Answer b) Taxonomy
2.The basic unit of classification is the
a) Species
b) Genus
c) Family
d) Order
Answer a) Species
3.Linnaeus is credited with developing the system of
a) Three domains of life
b) Binomial nomenclature
c) Five kingdom classification
d) Cell theory
Answer b) Binomial nomenclature
4.In binomial nomenclature, the first word represents the
a) Species name
b) Genus name
c) Family name
d) Class name
Answer b) Genus name
5.Which of the following is the correct way to write a scientific name
a) Mangifera indica (both italicized)
b) Mangifera Indica (Genus italicized, species not)
c) Mangifera indica (both not italicized)
d) MANGIFERA INDICA (all in capitals)
Answer a) Mangifera indica (both italicized)
6.The highest level in the hierarchy of biological classification is the
a) Kingdom
b) Phylum (or Division in plants)
c) Class
d) Domain
Answer d) Domain
7.The five-kingdom classification was proposed by
a) Carl Woese
b) Ernst Haeckel
c) Robert Whittaker
d) Carolus Linnaeus
Answer c) Robert Whittaker
8.Which of the following kingdoms includes unicellular prokaryotic organisms
a) Protista
b) Fungi
c) Monera
d) Plantae
Answer c) Monera
9.Organisms belonging to the kingdom Protista are primarily
a) Prokaryotic and multicellular
b) Eukaryotic and unicellular or multicellular
c) Prokaryotic and unicellular
d) Eukaryotic and exclusively multicellular
Answer b) Eukaryotic and unicellular or multicellular
10.Fungi are typically
a) Autotrophic and prokaryotic
b) Heterotrophic and eukaryotic
c) Autotrophic and eukaryotic
d) Heterotrophic and prokaryotic
Answer b) Heterotrophic and eukaryotic
11.Which kingdom comprises multicellular eukaryotic organisms that are primarily autotrophic
a) Animalia
b) Fungi
c) Protista
d) Plantae
Answer d) Plantae
12.Multicellular eukaryotic organisms that are heterotrophic and lack cell walls are placed in the kingdom
a) Plantae
b) Fungi
c) Animalia
d) Protista
Answer c) Animalia
13.Viruses are considered to be on the borderline of living and non-living because they
a) Can reproduce independently
b) Have a definite cellular structure
c) Show metabolism outside the host cell
d) Replicate inside a host cell
Answer d) Replicate inside a host cell
14.Which of the following is a characteristic feature of all living organisms
a) Presence of cell wall
b) Ability to reproduce
c) Autotrophic mode of nutrition
d) Presence of chlorophyll
Answer b) Ability to reproduce
15.The sum total of all the genes in a population is called
a) Gene pool
b) Genome
c) Gene flow
d) Genetic drift
Answer a) Gene pool
16.Which of the following is NOT a criterion used for classifying living organisms
a) Cell structure
b) Mode of nutrition
c) Phylogenetic relationships
d) Body colour
Answer d) Body colour
17.The study of evolutionary relationships among different organisms is called
a) Morphology
b) Anatomy
c) Phylogeny
d) Physiology
Answer c) Phylogeny
18.Which of the following is an example of a prokaryotic organism
a) Amoeba
b) Paramecium
c) Bacteria
d) Mushroom
Answer c) Bacteria
19.Diatoms belong to the kingdom
a) Monera
b) Protista
c) Fungi
d) Plantae
Answer b) Protista
20.Yeast is an example of a
a) Bacterium
b) Fungus
c) Protozoan
d) Alga
Answer b) Fungus
21.Bryophytes, pteridophytes, gymnosperms, and angiosperms are included in the kingdom
a) Animalia
b) Fungi
c) Protista
d) Plantae
Answer d) Plantae
22.Which of the following animal groups is characterized by the presence of a notochord at some stage in their life cycle
a) Porifera
b) Coelenterate
c) Echinodermata
d) Chordata
Answer d) Chordata
23.The phenomenon of possessing different forms in their life cycle is called
a) Reproduction
b) Metamorphosis
c) Regeneration
d) Adaptation
Answer b) Metamorphosis
24.Which of the following is a characteristic feature of the kingdom Animalia
a) Presence of cell wall
b) Autotrophic nutrition
c) Heterotrophic nutrition
d) Presence of chlorophyll
Answer c) Heterotrophic nutrition
25.The classification of organisms helps in
a) Studying the evolution of stars
b) Understanding the diversity and relationships among living beings
c) Predicting weather patterns
d) Analysing soil composition
Answer b) Understanding the diversity and relationships among living beings
26.The term phylum is used for classification of
a) Plants
b) Animals
c) Bacteria
d) Fungi
Answer b) Animals
27.In plants, the taxonomic category phylum is replaced by
a) Class
b) Division
c) Order
d) Family
Answer b) Division
28.Which of the following is a unique feature of viruses
a) They can metabolize independently.
b) They have a cellular structure.
c) They possess both DNA and RNA.
d) They are obligate parasites.
Answer d) They are obligate parasites.
29.The three-domain system of classification was proposed by
a) Robert Whittaker
b) Carolus Linnaeus
c) Carl Woese
d) Ernst Haeckel
Answer c) Carl Woese
30.Archaea, Bacteria, and Eukarya are the three
a) Kingdoms
b) Phyla
c) Domains
d) Classes
Answer c) Domains
