CBSE Class 11 Biology Chapter 1 The Living World MCQs
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CBSE Class 11 Biology Chapter 1 The Living World MCQs (SET A)
1) Which one of the following has a real existence?
(a) Genus
(b) Species
(c) Family
(d) Order
Answer: Species
2) In the case of plants, classes with a few similar characters are assigneda to higher category called
(a) division
(b) phylum
(c) order
(d) family
Answer: division
3) The plfamily Solanaceaeceae is included in which order?
(a) Felidae
(b) Conidae
(c) Polymoniales
(d) Dimoniales
Answer: Polymoniales
4) The scientific name of wheat is
(a) Mangifera indica
(b) Triticum aestivum
(c) Triticum poales
(d) None of the above
Answer: Triticum aestivum
5) The housefly belongs to which family in taxonomical classification?
(a) Musca
(b) Diptera
(c) Muscidae
(d) Insecta
Answer: Muscidae
6) Which one of the following taxonomic categories can categorise rest all others?
(a) Family
(b) Genus
(c) Class
(d) Order
Answer: Class
7) Which one is the incorrectly written scientific name?
(a) Panthera tigris
(b) Mangifera indica
(c) Panthera leo
(d) Columba LIVEA
Answer: Columba LIVEA
8) Classification based on morphological characteristics is called
(a) artificial
(b) natural
(c) phylogenetic
(d) Both (a) and (c)
Answer: artificial
CBSE Class 11 Biology Chapter 1 The Living World MCQs (SET B)
1) Ascending or descending arrangement of taxonomic categories is known as
(a) classification
(b) key
(c) taxonomy
(d) hierarchy
Answer: hierarchy
2) A taxon is a
(a) group of related species
(b) group of related families
(c) type of living organisms
(d) taxonomic group of any ranking
Answer: taxonomic group of any ranking
3) What is the basic unit of classification?
(a) Family
(b) Order
(c) Species
(d) Genus
Answer: Species
4) A group of organisms with the similar trait of any rank is
(a) taxon
(b) family
(c) genus
(d) species
Answer: taxon
5) Species are considered as
(a) the largest taxon of taxonomy/classification
(b) the smallest taxon of taxonomy/classification
(c) Both the smallest and the smallest unit of taxonomy/classification
(d) None of the above
Answer: the smallest taxon of taxonomy/classification
6) Which one is species?
(a) Cannis
(b) Pisum
(c) Leo
(d) Carnivora
Answer: Leo
7) Solanum and Panthera are
(a) genus and species
(b) genus and genus
(c) species and species
(d) only species
Answer: genus and genus
8) The genus Felis includes
(a) tiger
(b) fish
(c) cat
(d) frog
Answer: cat
CBSE Class 11 Biology Chapter 1 The Living World MCQs (SET C)
1) A genus with a single species is called
(a) typical
(b) polytype
(c) monotype
(d) syntype
Answer: monotype
2) In Solanum tuberosum, the first and second words stand for, respectively
(a) genus, generic name
(b) specific epithet, species
(c) specific name and generic name
(d) generic name and specific name
Answer: generic name and specific name
3) A group of related genera is called a
(a) family
(b) class
(c) phylum
(d) order
Answer: family
4) Which is not a category?
(a) Asteraceae/Fabaceae
(b) Species
(c) Phylum
(d) Class
Answer: Asteraceae/Fabaceae
5) In hierarchical classification, class occupies a place between
(a) kingdom and phylum
(b) order and family
(c) phylum and order
(d) family and genus
Answer: phylum and order
6) The Indian Botanical Garden is located at
(a) Howrah
(b) London
(c) Lucknow
(d) Kew
Answer: Howrah
7) Largest botanical garden in the world is
(a) Conservatory and Botanical Garden, Geneva
(b) New York Botanical Garden
(c) Royal Botanical Garden, Kew (London)
(d) British Museum of Natural History
Answer: Royal Botanical Garden, Kew (London)
8) Which one is the first biosphere reserve?
(a) Norkrek Biosphere Reserve
(b) Simlipal Biosphere Reserve
(c) Pachmarhi Biosphere Reserve
(d) Nilgiri Biosphere Reserve
Answer: Nilgiri Biosphere Reserve
CBSE Class 11 Biology Chapter 1 The Living World MCQs (SET D)
1) The taxonomical aids used for the identification of plants and animals by applying diagnostic features
(a) herbarium
(b) key
(c) museum
(d) monograph
Answer: key
2) Statement in the key is referred to as
(a) lead
(b) clue
(c) proof
(d) Both (a) and (b)
Answer: lead
3) A book containing information as to the habitat, climate, description and index of plants found in a specific area
(a) flora
(b) key
(c) manual
(d) monograph
Answer: flora
4) Which taxonomical aid provides all information about a particular taxon like order or family?
(a) Herbarium
(b) Catalogue
(c) Taxonomic key
(d) Monograph
Answer: Monograph
5) What is the prime source of taxonomic studies?
(a) Collection of an actual specimen of an organism
(b) Identification of actual specimen of an organism
(c) Both (a) and (b)
(d) None of the above
Answer: Both (a) and (b)
6) The taxonomical aids in which dried pressed plant specimens are preserved is
(a) botanical garden
(b) herbarium
(c) sheets
(d) specimen sheets
Answer: herbarium
7) The label of a herbarium sheet does not carry information on
(a) date of collection
(b) name of collector
(c) local names
(d) height of plant
Answer: local names
8) Where labelling is done on the herbarium sheet?
(a) Lower RHS
(b) Lower LHS
(c) Upper RHS
(d) Upper LHS
Answer: Lower RHS
CBSE Class 11 Biology Chapter 1 The Living World MCQs (SET E)
1) By which chemical specimens for herbaria are treated to prevent a fungal attack?
(a) 0.1% mercuric chloride
(b) 0.1% mercurous chloride
(c) Carbon disulphide
(d) Acetic acid
Answer: 0.1% mercuric chloride
2) Which one is the most important function of a botanical garden?
(a) Allow ex situ conservation of germplasm
(b) They are places for recreation
(c) Plant diversity can be observed here
(d) Provide natural habitat for wildlife
Answer: Allow ex situ conservation of germplasm
3) Collection of living plants for classification and identification of organisms are
(a) herbarium
(b) zoological parks
(c) botanical garden
(d) museum
Answer: botanical garden
4) The suffix ‘phyta’ indicates
(a) family
(b) class
(c) Order
(d) division
Answer: division
5) Which one of the following taxonomic categories tops the hierarchy of categories?
(a) order
(b) division
(c) class
(d) family
Answer: division
6) Which of the following is a category?
(a) Division
(b) Phylum
(c) Viruses
(d) Both (a) and (b)
Answer: Both (a) and (b)
7) Plants grow throughout life by which method?
(a) Cell dedifferentiation
(b) Cell differentiation
(c) Cell multiplication
(d) None of these
Answer: Cell multiplication
8) Among the following, which is a common phenomenon exhibited by living and non-living organisms to show the feature of growth?
(a) Increase in mass
(b) Cell division
(c) Increase in replication rate
(d) Cell differentiation
Answer: Increase in mass
CBSE Class 11 Biology Chapter 1 The Living World MCQs (SET F)
1) In the majority of higher animals and plants, reproduction and growth are
(a) mutually exclusive events
(b) synonymous events
(c) synonymous events during in vitro culture
(d) None of the above
Answer: mutually exclusive events
2) A true regeneration was observed in
(a) Hydra
(b) Planaria
(c) Sponges
(d) Amoeba
Answer: Planaria
3) Which of the following set of organisms reproduces by fragmentation (asexual mode of reproduction)?
(a) Amoeba, fungi and earthworms
(b) Fungi, filamentous algae and protonema of mosses
(c) Hydra, fungi, Amoeba and bacteria
(d) Earthworms, bacteria and fungi
Answer: Fungi, filamentous algae and protonema of mosses
4) Why reproduction is an inclusive defining characteristic of all living organisms?
(a) Non-living organisms also reproduce
(b) Many living organisms are sterile
(c) Reproduction is a synonym for growth
(d) Both (a) and (b)
Answer: Many living organisms are sterile
5) What is illustrated by the statement ‘nothing lives forever, yet life continues?
(a) Metabolism
(b) Embryogenesis.
(c) Reproduction
(d) Replication
Answer: Reproduction
6) Process of metabolism leads to
(a) growth
(b) development
(c) functions of the living body
(d) All of the above
Answer: All of the above
7) Biological organisation in living organisms begins at
(a) tissue level
(b) atomic level
(c) cellular level
(d) mixture level
Answer: atomic level
8) The number of species that are known ranges between
(a) 1.7-1.8 million
(b) 1 million
(c) 50 million
(d) 2 million
Answer: 1.7-1.8 million
CBSE Class 11 Biology Chapter 1 The Living World MCQs (SET G)
1) Standardising the naming of a living organism is known as
(a) classification
(b) identification
(c) nomenclature
(d) Both (a) and (c)
Answer: nomenclature
2) Expand ICZN
(a) International Code of Zoological Nomenclature
(b) Intranational Code of Zoological Nomenclature
(c) International Code of Zoological Naming
(d) Interregional Code of Zoological Naming
Answer: International Code of Zoological Nomenclature
3) The binomial nomenclature system was given by
(a) Carol Linnaeus
(b) Carolus Linnaeus
(c) Aristotle
(d) Whitaker
Answer: Carolus Linnaeus
4) In binomial nomenclature the name of the author appears after the
(a) genus
(b) family
(c) species
(d) taxa
Answer: species
5) ICBN stands for
(a) Indian Congress of Biological Name
(b) International Code for Botanical Nomenclature
(c) International Congress of Biological Name
(d) Indian Code of Botanical Nomenclature
Answer: International Code for Botanical Nomenclature
6) Which is the first step in taxonomy?
(a) Description of the organism
(b) Identification of the organism
(c) Nomenclature of the organism
(d) Classification of the organism
Answer: Identification of the organism
7) The phylogenetic system of classification was proposed by
(a) Carolus Linnaeus
(b) George Bentham and Joseph Dalton Hooker
(c) Aristotle
(d) Adolf Engler and Karl Prantl
Answer: Adolf Engler and Karl Prantl
8) A species is a group of organisms which
(a) can interbreed freely
(b) do not interbreed
(c) can live together
(d) can interbreed occasionally
Answer: can interbreed freely
CBSE Class 11 Biology Chapter 1 The Living World MCQs (SET H)
1) What is the basis of modern taxonomic studies?
(a) Internal structure
(b) Ecological information
(c) Structure of cell
(d) All of these
Answer: All of these
2) Diversity of organisms and their evolutionary relationship is studied scientifically under
(a) morphology
(b) anatomy
(c) taxonomy
(d) systematics
Answer: systematics
3) Who had written Systema Naturae?
(a) Ernst Mayr
(b) Carolus Linnaeus
(c) RH Whittaker
(d) WM Stanley
Answer: Carolus Linnaeus
4) According to binomial nomenclature, the scientific name of an organism consists of
(a) generic name
(b) specific epithet
(c) Both (a) and (b)
(d) None of these
Answer: Both (a) and (b)
5) Binomial system of classification was based on
(a) embryology
(b) morphology
(c) cytology
(d) anatomy
Answer: morphology
6) Scientific names are printed in …… and are derived from …….
(a) bold and English
(b) italics and Latin
(c) italics and German
(d) italics and French
Answer: italics and Latin
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