90 multiple-choice questions with answers on the chapter "Diversity in the Living World" for CHSE Class 11.
The vast array of different life forms on Earth is referred to as: c) Biodiversity
Who is known as the "Darwin of the 20th century"? b) Ernst Mayr
The system of naming organisms with two names is called: c) Binomial nomenclature
In binomial nomenclature, the first name represents the: b) Genus
The second name in binomial nomenclature represents the: a) Species
Which of the following is a correctly written scientific name? a) Mangifera indica
The branch of biology that deals with the classification of organisms is called: c) Taxonomy
The basic unit of classification is the: c) Species
A group of individuals that can interbreed and produce fertile offspring is called a: b) Species
Which of the following taxonomic categories is the highest? c) Kingdom
Which of the following taxonomic categories is the lowest? c) Species
The order Primata is included in the class: a) Mammalia
The family of the housefly is: a) Muscidae
The genus of the lion is: a) Panthera
Which of the following represents the correct sequence of taxonomic categories in descending order? a) Kingdom, Phylum, Class, Order, Family, Genus, Species
The book "Systema Naturae" was written by: b) Carolus Linnaeus
The five-kingdom classification was proposed by: c) Robert Whittaker
In the five-kingdom classification, which kingdom includes prokaryotic organisms? a) Monera
Unicellular eukaryotic organisms are placed in the kingdom: b) Protista
Organisms with chitinous cell walls are placed in the kingdom: b) Fungi
Autotrophic eukaryotic organisms with cell walls made of cellulose are placed in the kingdom: c) Plantae
Heterotrophic eukaryotic organisms without cell walls are placed in the kingdom: c) Animalia
Which kingdom includes multicellular decomposers? c) Fungi
Which of the following is a characteristic feature of the kingdom Monera? c) Absence of a true nucleus
Which of the following is a characteristic feature of the kingdom Protista? c) Primarily aquatic, eukaryotic organisms
Which of the following is a characteristic feature of the kingdom Fungi? c) Heterotrophic mode of nutrition, often saprophytic or parasitic
Which of the following is a characteristic feature of the kingdom Plantae? c) Presence of chlorophyll and cell wall made of cellulose
Which of the following is a characteristic feature of the kingdom Animalia? c) Heterotrophic mode of nutrition without cell walls
Viruses are not included in the five-kingdom classification because they are: c) Acellular
Which of the following is a virus? c) Bacteriophage
Viruses consist of: c) Protein coat and genetic material (DNA or RNA)
The protein coat of a virus is called: a) Capsid
Viroids are infectious agents that consist of: b) Single-stranded RNA without a protein coat
Lichens represent a symbiotic relationship between: a) Algae and fungi
In a lichen, the algal component is called: b) Phycobiont
In a lichen, the fungal component is called: b) Mycobiont
Which of the following is an example of a lichen? c) Usnea
Which of the following is a bacterium? c) Escherichia coli
Which of the following is a fungus? b) Penicillium
Which of the following is an alga? b) Volvox
The study of algae is called: b) Phycology
The study of fungi is called: b) Mycology
The study of bacteria is called: c) Bacteriology
Which of the following is the smallest living organism known? c) Mycoplasma
Mycoplasmas lack a: d) Cell wall
Which of the following can reproduce only inside host cells? c) Viruses
The term "species" was coined by: b) John Ray
A collection of preserved plants and animals is called a: a) Museum
A place where dried and pressed plant specimens are stored systematically is called a: c) Herbarium
A place where live animals are kept in their natural habitats for public exhibition is called a: c) Zoological park
A place where live plants are grown for reference, study, and conservation is called a: d) Botanical garden
Keys are taxonomic aids used for: a) Identification of organisms
Each statement in a key is called a: b) Lead
A key is based on the: b) Contrasting characters usually in pairs
Which of the following provides information on one taxon? c) Monograph
Which of the following provides an account of the habitat and distribution of plants in a given area? b) Flora
Which of the following provides a list of the animals found in a particular area? c) Fauna
Which of the following contains brief descriptions aiding identification of species found in an area? c) Manual
A published list of names of all the plant species found in a particular area is called a: c) Flora
The term "taxon" refers to: b) A taxonomic group of any rank
Which of the following is NOT a characteristic of living organisms? d) Definite shape and size (non-changeable)
The ability of living organisms to respond to stimuli is called: c) Consciousness
The sum total of all the chemical reactions occurring in our body is called: c) Metabolism
Growth in living organisms is: c) By increase in mass and number
Reproduction in unicellular organisms is synonymous with: b) Growth
Which of the following organisms does not reproduce? d) All of the above
Which of the following is considered a defining property of living organisms? c) Metabolism
Cellular organization is a defining feature of: a) All living organisms
The hierarchical classification was introduced by: c) Carolus Linnaeus
The biological species concept is mainly based on: b) Reproductive isolation
Which of the following is a trinomial nomenclature? b) Brassica oleracea var. botrytis
In trinomial nomenclature, the third name represents the: a) Subspecies or variety
The International Code for Botanical Nomenclature (ICBN) is related to the naming of: b) Plants
The International Code of Zoological Nomenclature (ICZN) is related to the naming of: b) Animals
The concept of "new systematics" or biosystematics was introduced by: b) Julian Huxley
New systematics takes into account: c) Evolutionary relationships, genetic variations, and ecological adaptations
Phenetics or numerical taxonomy is based on: b) Observable characteristics
Cladistics or cladistic taxonomy is based on: b) Shared derived characters
A diagram showing evolutionary relationships is called a: b) Cladogram
Which of the following is NOT a kingdom in the five-kingdom classification? b) Mycota
Archaebacteria differ from eubacteria in: a) Cell wall structure
Which of the following is an example of archaebacteria? c) Methanogens
Cyanobacteria are also known as: b) Blue-green algae
Which of the following protists has characteristics of both plants and animals? c) Euglena
Slime molds belong to the kingdom: b) Protista
Which of the following fungi is commonly known as bread mold? c) Rhizopus
Which of the following fungi is edible? c) Agaricus
Viruses that infect bacteria are called: c) Bacteriophages
The genetic material in bacteriophages is usually: b) DNA
Which of the following is a plant virus? c) Tobacco Mosaic Virus (TMV)
The genetic material in retroviruses is: c) Single-stranded RNA
An example of a retrovirus is: c) Human Immunodeficiency Virus (HIV)
Which of the following is a prion-related disease in humans? c) Creutzfeldt-Jakob disease (CJD)
Prions are infectious agents consisting of: b) Abnormally folded proteins
Answers given in below
1.The vast array of different life forms on Earth is referred to as:
a) Population b) Community c) Biodiversity d) Ecosystem
2. Who is known as the "Darwin of the 20th century"?
a) Carolus Linnaeus b) Ernst Mayr c) Robert Whittaker d) Aristotle
3.The system of naming organisms with two names is called:
a) Vernacular nomenclature b) Polynomial nomenclature c) Binomial nomenclature d) Scientific nomenclature
4.In binomial nomenclature, the first name represents the:
a) Species b) Genus c) Family d) Kingdom
5.The second name in binomial nomenclature represents the:
a) Species b) Genus c) Family d) Kingdom
6.Which of the following is a correctly written scientific name?
a) Mangifera indica b) Mangifera Indica c) mangifera Indica d) Mangifera indica L.
7.The branch of biology that deals with the classification of organisms is called:
a) Ecology b) Physiology c) Taxonomy d) Morphology
8.The basic unit of classification is the:
a) Genus b) Family c) Species d) Order
9.A group of individuals that can interbreed and produce fertile offspring is called a:
a) Population b) Species c) Genus d) Variety
10.Which of the following taxonomic categories is the highest?
a) Phylum b) Class c) Kingdom d) Order
11.Which of the following taxonomic categories is the lowest?
a) Genus b) Family c) Species d) Variety
12.The order Primata is included in the class:
a) Mammalia b) Reptilia c) Aves d) Amphibia
13.The family of the housefly is:
a) Muscidae b) Felidae c) Canidae d) Hominidae
14.The genus of the lion is:
a) Panthera b) Felis c) Canis d) Homo
15.Which of the following represents the correct sequence of taxonomic categories in descending order?
a) Kingdom, Phylum, Class, Order, Family, Genus, Species b) Kingdom, Class, Phylum, Order, Family, Genus, Species c) Kingdom, Family, Order, Class, Phylum, Genus, Species d) Kingdom, Species, Genus, Family, Order, Class, Phylum
16.The book "Systema Naturae" was written by:
a) Ernst Haeckel b) Carolus Linnaeus c) Robert Whittaker d) Aristotle
17.The five-kingdom classification was proposed by:
a) Carolus Linnaeus b) Ernst Haeckel c) Robert Whittaker d) Carl Woese
18.In the five-kingdom classification, which kingdom includes prokaryotic organisms?
a) Monera b) Protista c) Fungi d) Plantae
19.Unicellular eukaryotic organisms are placed in the kingdom:
a) Monera b) Protista c) Fungi d) Animalia
20.Organisms with chitinous cell walls are placed in the kingdom:
a) Plantae b) Fungi c) Protista d) Monera
21.Autotrophic eukaryotic organisms with cell walls made of cellulose are placed in the kingdom: a) Animalia b) Fungi c) Plantae d) Protista
22.Heterotrophic eukaryotic organisms without cell walls are placed in the kingdom: a) Plantae b) Fungi c) Animalia d) Monera
23.Which kingdom includes multicellular decomposers? a) Plantae b) Animalia c) Fungi d) Protista
24.Which of the following is a characteristic feature of the kingdom Monera?
a) Presence of a well-defined nucleus b) Multicellular body organization c) Absence of a true nucleus d) Presence of cell wall made of cellulose
25.Which of the following is a characteristic feature of the kingdom Protista?
a) Prokaryotic cell organization b) Presence of chitinous cell wall c) Primarily aquatic, eukaryotic organisms d) Autotrophic nutrition only
26.Which of the following is a characteristic feature of the kingdom Fungi?
a) Autotrophic mode of nutrition b) Presence of cellulose cell wall c) Heterotrophic mode of nutrition, often saprophytic or parasitic d) Unicellular prokaryotes
27.Which of the following is a characteristic feature of the kingdom Plantae? a) Heterotrophic mode of nutrition b) Absence of cell wall c) Presence of chlorophyll and cell wall made of cellulose d) Primarily aquatic habitat
28.Which of the following is a characteristic feature of the kingdom Animalia?
a) Presence of cell wall b) Autotrophic mode of nutrition c) Heterotrophic mode of nutrition without cell walls d) Unicellular organization
29.Viruses are not included in the five-kingdom classification because they are:
a) Prokaryotic b) Eukaryotic c) Acellular d) Unicellular
30.Which of the following is a virus? a) Paramecium b) Agaricus c) Bacteriophage d) Amoeba
31.Viruses consist of: a) DNA only b) RNA only c) Protein coat and genetic material (DNA or RNA) d) Cell wall and cytoplasm
32.The protein coat of a virus is called: a) Capsid b) Nucleoid c) Plasmid d) Viroid
33.Viroids are infectious agents that consist of: a) Double-stranded DNA b) Single-stranded RNA without a protein coat c) Protein only d) DNA enclosed in a protein coat
34.Lichens represent a symbiotic relationship between: a) Algae and fungi b) Bacteria and fungi c) Algae and bacteria d) Viruses and fungi
35.In a lichen, the algal component is called: a) Mycobiont b) Phycobiont c) Symbiont d) Autotroph
36.In a lichen, the fungal component is called: a) Phycobiont b) Mycobiont c) Parasite d) Heterotroph
Which of the following is an example of a lichen? a) Agaricus b) Spirogyra c) Usnea d) Nostoc
38.Which of the following is a bacterium? a) Amoeba b) Plasmodium c) Escherichia coli d) Hydra
39.Which of the following is a fungus? a) Euglena b) Penicillium c) Chlamydomonas d) Anabaena
40.Which of the following is an alga? a) Rhizopus b) Volvox c) Bacillus d) Mycoplasma
41.The study of algae is called: a) Mycology b) Phycology c) Bacteriology d) Virology
42.The study of fungi is called: a) Phycology b) Mycology c) Bacteriology d) Botany
43.The study of bacteria is called: a) Mycology b) Phycology c) Bacteriology d) Zoology
44.Which of the following is the smallest living organism known? a) Virus b) Bacterium c) Mycoplasma d) Fungus
45.Mycoplasmas lack a: a) Cell membrane b) Cytoplasm c) Ribosomes d) Cell wall
46.Which of the following can reproduce only inside host cells? a) Bacteria b) Fungi c) Viruses d) Protozoans
47.The term "species" was coined by: a) Carolus Linnaeus b) John Ray c) Ernst Mayr d) Aristotle
48.A collection of preserved plants and animals is called a: a) Museum b) Zoological park c) Herbarium d) Botanical garden
49.A place where dried and pressed plant specimens are stored systematically is called a: a) Museum b) Zoological park c) Herbarium d) Aquarium
50.A place where live animals are kept in their natural habitats for public exhibition is called a: a) Herbarium b) Museum c) Zoological park d) Botanical garden
51.A place where live plants are grown for reference, study, and conservation is called a: a) Museum b) Zoological park c) Herbarium d) Botanical garden
52.Keys are taxonomic aids used for: a) Identification of organisms b) Classification of organisms c) Nomenclature of organisms d) Preservation of organisms
53.Each statement in a key is called a: a) Couplet b) Lead c) Catalogue d) Monograph
54.A key is based on the: a) Similarities between organisms b) Contrasting characters usually in pairs c) Evolutionary relationships d) Geographical distribution
55.Which of the following provides information on one taxon? a) Flora b) Fauna c) Monograph d) Catalogue
56.Which of the following provides an account of the habitat and distribution of plants in a given area? a) Fauna b) Flora c) Monograph d) Key
57.Which of the following provides a list of the animals found in a particular area? a) Flora b) Monograph c) Fauna d) Herbarium
58.Which of the following contains brief descriptions aiding identification of species found in an area? a) Monograph b) Catalogue c) Manual d) Flora
59.A published list of names of all the plant species found in a particular area is called a: a) Manual b) Monograph c) Flora d) Key
60.The term "taxon" refers to: a) A group of individuals of the same species b) A taxonomic group of any rank c) A population of related species d) A type of habitat
61.Which of the following is NOT a characteristic of living organisms? a) Reproduction b) Metabolism c) Consciousness d) Definite shape and size (non-changeable)
62.The ability of living organisms to respond to stimuli is called: a) Metabolism b) Reproduction c) Consciousness d) Growth
63.The sum total of all the chemical reactions occurring in our body is called: a) Anabolism b) Catabolism c) Metabolism d) Reproduction
64.Growth in living organisms is: a) Always by increase in mass only b) Always by increase in number only c) By increase in mass and number d) Not a defining property
65.Reproduction in unicellular organisms is synonymous with: a) Metabolism b) Growth c) Consciousness d) Irritability
66.Which of the following organisms does not reproduce? a) Mules b) Worker bees c) Infertile human couples d) All of the above
67.Which of the following is considered a defining property of living organisms? a) Growth b) Reproduction c) Metabolism d) Response to stimuli
68.Cellular organization is a defining feature of: a) All living organisms b) All eukaryotic organisms c) All multicellular organisms d) All prokaryotic organisms
69.The hierarchical classification was introduced by: a) Robert Whittaker b) Ernst Haeckel c) Carolus Linnaeus d) Ernst Mayr
70.The biological species concept is mainly based on: a) Morphological similarities b) Reproductive isolation c) Phylogenetic relationships d) Biochemical similarities
71.Which of the following is a trinomial nomenclature? a) Homo sapiens b) Brassica oleracea var. botrytis c) Mangifera indica d) Canis familiaris
72In trinomial nomenclature, the third name represents the: a) Subspecies or variety b) Genus c) Family d) Order
73.The International Code for Botanical Nomenclature (ICBN) is related to the naming of: a) Animals b) Plants c) Bacteria d) Viruses
74.The International Code of Zoological Nomenclature (ICZN) is related to the naming of: a) Plants b) Animals c) Fungi d) Protists
75.The concept of "new systematics" or biosystematics was introduced by: a) Carolus Linnaeus b) Julian Huxley c) Ernst Mayr d) Robert Whittaker
76.New systematics takes into account: a) Only morphological characters b) Only reproductive characters c) Evolutionary relationships, genetic variations, and ecological adaptations d) Only geographical distribution
77Phenetics or numerical taxonomy is based on: a) Evolutionary relationships b) Observable characteristics c) Genetic characteristics d) Reproductive isolation
78.Cladistics or cladistic taxonomy is based on: a) Overall similarities b) Shared derived characters c) Habitat and distribution d) Biochemical composition
79.A diagram showing evolutionary relationships is called a: a) Phenogram b) Cladogram c) Histogram d) Pedigree
80.Which of the following is NOT a kingdom in the five-kingdom classification? a) Protista b) Mycota c) Monera d) Animalia
81.Archaebacteria differ from eubacteria in: a) Cell wall structure b) Mode of nutrition c) Reproductive methods d) Presence of nucleus
82.Which of the following is an example of archaebacteria? a) Escherichia coli b) Streptococcus c) Methanogens d) Cyanobacteria
83.Cyanobacteria are also known as: a) Slime molds b) Blue-green algae c) Diatoms d) Dinoflagellates
84.Which of the following protists has characteristics of both plants and animals? a) Paramecium b) Amoeba c) Euglena d) Trypanosoma
85.Slime molds belong to the kingdom: a) Fungi b) Protista c) Monera d) Plantae
86.Which of the following fungi is commonly known as bread mold? a) Penicillium b) Aspergillus c) Rhizopus d) Agaricus
87.Which of the following fungi is edible? a) Amanita b) Mucor c) Agaricus d) Rhizopus
88.Viruses that infect bacteria are called:
a) Mycophages b) Zoophages c) Bacteriophages d) Phytophages
89.The genetic material in bacteriophages is usually: a) RNA b) DNA c) Both DNA and RNA d) Protein
90.Which of the following is a plant virus? a) Influenza virus b) Human Immunodeficiency Virus (HIV) c) Tobacco Mosaic Virus (TMV) d) Bacteriophage
91.The genetic material in retroviruses is:
a) Double-stranded DNA b) Single-stranded DNA c) Single-stranded RNA d) Double-stranded RNA
92.An example of a retrovirus is: a) Hepatitis B virus b) Tobacco Mosaic Virus c) Human Immunodeficiency Virus (HIV) d) Influenza virus
93.Which of the following is a prion-related disease in humans? a) Common cold b) Measles c) Creutzfeldt-Jakob disease (CJD) d) Tuberculosis
94.Prions are infectious agents consisting of:
a) Nucleic acids b) Abnormally folded proteins c) Viruses without a protein coat d) Bacteria without a cell wall
ANSWERS
