MCQ Chapter 1 The Living World Class 11 Biology

Please refer to The Living World MCQ Questions Class 11 Biology below. These MCQ questions for Class 11 Biology with answers have been designed as per the latest NCERT, CBSE books, and syllabus issued for the current academic year. These objective questions for The Living World will help you to prepare for the exams and get more marks.

The Living World MCQ Questions Class 11 Biology

Please see solved MCQ Questions for The Living World in Class 11 Biology. All questions and answers have been prepared by expert faculty of standard 11 based on the latest examination guidelines.

MCQ Questions Class 11 Biology The Living World

Question- Identify the correct sequence of taxonomic categories.
(a) Species → Genus → Order → Class → Family → Phylum/Division → Kingdom
(b) Species → Genus → Family → Class → Phylum → Division → Order → Kingdom
(c) Species → Genus → Family → Order → Class → Phylum/Division → Kingdom
(d) Species → Genus → Family → Order → Class → Phylum/Division → Kingdom

Question-  Which of the following is less general in characters as compared to genus? 
(a) Species
(b) Division
(c) Class
(d) Family

Question-  Match the common name given in column I with their taxonomic category family given in column II and choose the correct combination from the options given below.
Column-I                             Column-II
(Common Name)   (Taxonomic category– Family)
A. Man                         I. Poaceae
B. Datura                     II. Anacardiaceae
C. Mango                     III. Solanaceae
D. Wheat                     IV. Hominidae
(a) A – IV; B – III; C – II; D – I
(b) A – IV; B – III; C – I; D – II
(c) A – I; B – II; C – III; D – IV
(d) A – I; B – III; C – II; D – IV

Question- The taxonomic unit ‘phylum’ in the classification of animals is equivalent to which hierarchial level in classification of plants ?
(a) Class
(b) Order
(c) Division
(d) Family

Question-  Linnaeus system of classification is
(a) Natural
(b) Artificial
(c) Phylogenetic
(d) Progressive

Question- Taxonomic hierarchy refers to
(a) step-wise arrangement of all categories for classification of plants and animals.
(b) a group of senior taxonomists who decide the nomenclature of plants and animals.
(c) a list of botanists or zoologists who have worked on taxonomy of a species or group.
(d) classification of a species based on fossil record.

Question- The system of classification based on evolutionary and genetic relationships among organisms, ignoring the morphological similarities or differences, is called
(a) cladistics
(b) phenetics
(c) classical systematics
(d) new systematics

Question- Which of the following shows the correct example of taxonomic category – Genus?
(a) Potato, tomato and brinjal belong to Solanum.
(b) Monkey, gorilla and gibbon are placed in Mammalia.
(c) Solanum, Petunia, and Datura are placed in Solanacea.
(d) Mangifera indica, Solanum tuberosum, and Panthera leo.

Question- Which of the following is less general in characters as compared to genus?
(a) Species
(b) Division
(c) Class
(d) Family

Question- The common characteristics between tomato and potato will be maximum at the level of their__________.
(a) genus
(b) family
(c) order
(d) division

Question- Which of the following characters given below displays the description of lowest taxonomic category of organisms in the plant and animal kingdom?
(a) It includes one or more than one order.
(b) It is a group containing one or more families.
(c) It is a group of related organisms that resemble one another.
(d) It is a group of organisms that are closely related and share similar characteristics.

Question- Which of the following is the only taxonomic categories that has a real existence?
(a) Phylum
(b) Species
(c) Genus
(d) Kingdom

Question- In angiosperm, characters of flowers are used in classification because
(a) flowers are attractive.
(b) flowers are large.
(c) character of flowers are conserved.
(d) none of the above.

Question- Genus represents
(a) an individual plant or animal.
(b) a collection of plants or animals.
(c) group of closely related species of plants or animals.
(d) none of the above.

Question- Scientific name of Mango plant is Mangifera indica (Linn.) Santapau. In the above name Santapau refers to 
(a) Variety of Mango
(b) A taxonomist who proposed the present nomenclature in honour of Linnaeus
(c) A scientist who for the first time described Mango plant
(d) A scientist who changed the name proposed by Linnaeus and proposed present name

Question- Two animals which are the members of the same order must also be the members of the same __________.
(a) class
(b) family
(c) genus
(d) species

Question- Refer the botanical name of wheat “Triticum aestivum”and identify the statement which correctly describes it.
(a) The second word belongs to genus and starts with a small letter.
(b) Both the words “Triticum aestivum” denote the specific epithet.
(c) The first word Triticum denotes the genus which starts with a capital letter.
(d) The first word Triticum denotes the specific epithet while the second word denotes the genus.

Question- The usage of binomial names, for plant species was accepted by all after the publication of the work by 
(a) Hooker
(b) Linnaeus
(c) Bentham
(d) Darwin

Question- Family – order – class of Musca domestica (Housefly) are respectively:
(a) Muscidae – Insecta – Hymenoptera
(b) Muscidae – Diptera – Mandibulata
(c) Hymenoptera – Insecta – Mandibuleta
(d) Muscidae – Diptera – Insecta

Question- Determination of age by counting growth rings falls under:
(a) Chorology
(b) Chronology
(c) Dendrology
(d) Dendrochronology

Question-Defining feature of life forms?
(a) Metabolism
(b) Consciousness
(c) Cellular organization
(d) All of the above

Question-In which organism reproduction can be considered as synonymous with growth?
(a) Amoeba
(b) Planaria
(c) Star fish
(d) More then one option are correct

Question- Edaphology is:
(a) Study of soils
(b) Study of amphibians
(c) Study of snakes
(d) Study of elephants

Question-The twin characteristics of growth are:
(a) Increase in number of individuals, increase in mass
(b) Increase in height and increase in mass
(c) Increase in molecular weight and increase in mass
(d) Increase in size and decrease in mass

Question- A living organism is unexceptionally differentiated from nonliving structure on the basis of
(a) Reproduction
(b) Growth and movement
(c) Interaction with environment
(d) Responsiveness

Question- Described biodiversity range?
(a) 1.7 – 1.8 million
(b) 1.1 – 1.8 trillion
(c) 1.7 – 1.8 billion
(d) 17 – 18 billion

Question- The science of giving names to living beings called
(a) Nomenclature
(b) Identification
(c) Classification
(d) Characterization

Question- Select the correctly written botanical/ zoological name
(a) Panthera tigris
(b) Mangifera indica
(c) Sativum pisum
(d) Homo sapiens

Question- Biological names, when hand written, should necessary be:
(a) Underlined
(b) Bold (antics)
(c) In capital letter
(d) Italics

Question- In binomial nomenclature, the first and second components represent:
(a) Genus and species
(b) Genus and class
(c) Species and genus
(d) Kingdom and class

Question- Pesticide used in the Herbarium is:
(a) 2 , 4 – D
(b) NAA
(c) CS2
(d) HgCl2

Question- The main purpose of classification of organisms is to
(a) Study geography
(b) Locate plants and animals
(c) Establish relationships amongst organisms
(d) Study evolution

Question- First book of Botany, Historia Plantarum, was given by:
(a) Theoprastus
(b) A. P. de Condolle
(c) Aristotle
(d) None of these

Question- In Mangifera indica Linn. indica refers to
(a) Genus
(b) Author
(c) Family
(d) Species

Question- Term biology was introduced by:
(a) Aristotle
(b) Darwin
(c) John Ray
(d) Lamarck and Treviranus

Question- In taxonomy the first step is:
(a) Identification
(b) Nomenclature
(c) Classification
(d) Affinities

Question- Improvement of human race through improvement of human environment is:
(a) Anthropology
(b) Euthenics
(c) Euphenics
(d) Eugenics

Question- As we go lower from kingdom to species the number of common characteristics goes on
(a) Increasing
(b) Remain unchanged
(c) Decreasing
(d) Sometimes decreasing

Question- A prediction made by a scientist based on his observation is known as:
(a) Law
(b) Principle
(c) Theory
(d) Hypothesis

Question- Museums are known to preserve:
(a) Insects
(b) Larger animals
(c) Skeleton of animals
(d) All of these

Question- Glucose in taken in test tube and acted upon by hexokinase enzyme. Resulting substrate is glucose – 6 – phosphate. This isolated metabolic reaction is:
(a) Occurring in test tube which can be considered as living
(b)Considered to be in vivo
(c) Considered to be in vitro and living reaction.
(d) Considered as non-living reaction

Question- Basis of Taxonomy are:
(a) Identification – Characterization – Classification – Nomenclature
(b) Characterization – Identification – Classification – Nomenclature
(c) Classification – Characterization – Identification – Nomenclature
(d) Nomenclature – Classification – Identification – characterization

Question- The scientific name of banyan is written as Ficus bengalensis L. which of the following is a correct statement regarding this?
(a) Letter L signifies Latin language.
(b) The name should be reverse with bengalensis preceding Ficus
(c) Letter L signifies taxonomist Linnaeus
(d) Bengalensis is generic name

Question- The disadvantage of using common names for species is that
(a) the names may change.
(b) one name does not apply universally.
(c) one species may have several common names and one common name may be applied to two species.
(d) all of the above

Question- “X” being a higher category is the assemblage of families which exhibit a few “Y” characters. The “Z” characters are less in a number as compared to different genera included in a family. Identify “X”, “Y”, and “Z”.
(a) X – Order; Y – Similar; Z – Similar
(b) X – Genus; Y – Similar; Z – Different
(c) X – Species; Y – Different; Z – Similar
(d) X – Class; Y – Different; Z – Different

Question- Couplet represents the choice made between two opposite options which results in
(a) rejection of both the option.
(b) acceptance of both the option.
(c) either acceptance or rejection of both the option.
(d) acceptance of only one and rejection of the other.

Question- The basic unit of classification is 
(a) genus
(b) species
(c) variety
(d) subspecies

Question- Match column-I (Biological name) with column-II (Class) and choose the correct option.
Column-I                             Column-II
(Biological name)                    (Class)
A. Homo sapiens                  I. Dicotyledonae
B. Musca domestica             II. Mammalia
C. Mangifera indica              III. Monocotyledonae
D. Triticum aestivum            IV. Insects
(a) A – IV; B – II; C – I; D – III
(b) A – II; B – IV; C – III; D – I
(c) A – II; B – IV; C – I; D – III
(d) A – II; B – I; C – IV; D – III

Question- Which one of the following is the first step in taxonomy ?
(a) Naming
(b) Description
(c) Identification
(d) Classification

Question- Binomial nomenclature was introduced by
(a) Linnaeus 
(b) Darwin
(c) Bentham and Hooker
(d) Aristotle

Question- Read the following statements
(i) Lower the taxon, more are the characteristics that the members within the taxon share.
(ii) Order is the assemblage of genera which exhibit a few similar characters.
(iii) Cat and dog are included in the same family Felidae.
(iv) Binomial Nomenclature was introduced by Carolus Linnaeus. Which of the following statements are NOT correct?
(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (i) and (iv)
(d) (ii) and (iii)

Question- Which of the following taxonomic category of housefly is incorrectly matched?
(a) Genus – Musca
(b) Family – Muscidae
(c) Order – Primata
(d) Class – Insecta

Question- The most important feature of all living systems is to
(a) utilize oxygen to generate energy.
(b) replicate the genetic information.
(c) produce gametes.
(d) utilize solar energy for metabolic activities.

Question- In the given columns, column I contains the terms and column II contains its description. Select the correct match from the option given below.
      Column I                                   Column II
A. Growth                                I. Production of offspring.
B. Reproduction                       II. Composed of one or more cells.
C. Metabolism                         III. Increase in mass and increase in number of individuals.
D. Cellular organization            IV. Sum total of all chemical reactions occurring in body.
     A    B   C    D
(a) I    II   III  IV
(b) III  I    II   IV
(c) III  I    IV   II
(d) II   IV  III   I

Question-“Ordines Anomali” of Bentham and Hooker includes 
(a) seed plants showing abnormal forms of growth and development.
(b) plants represented only in fossil state.
(c) plants described in the literature but which Bentham and Hooker did not see in original.
(d) a few orders which could not be placed satisfactory in the classification.

Question- Two plants can be conclusively said to belong to the same species if they
(a) have same number of chromosomes.
(b) can reproduce freely with each other and form seeds.
(c) have more than 90 per cent similar genes.
(d) look similar and possess identical secondary metabolites

Question- The classification of Linnaeus was mainly based on 
(a) Sepals
(b) Carpels
(c) Petals
(d) Stamens

Question- One of the most important functions of botanical gardens is that
(a) they provide a beautiful area for recreation.
(b) one can observe tropical plants there.
(c) they allow ex-situ conservation of germ plasm.
(d) they provide the natural habitat for wildlife.

Question- As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics
(a) will decrease.
(b) will increase.
(c) remain same.
(d) may increase or decrease.

Question- If an organism is in the same class but not in the same family then it may belong to same
(a) genus
(b) species
(c) variety
(d) order

Question- Match column I with column II and choose the correct option. 
Column-I                     Column-II
A. Family                     I. tuberosum
B. Kingdom                 II. Polymoniales
C. Order                     III. Solanum
D. Species                  IV. Plantae
E. Genus                     V. Solanaceae
(a) A –IV; B –III; C –V; D –II; E –I
(b) A –V; B –IV; C –II; D –I; E –III
(c) A –IV; B –V; C –II; D –I; E –III
(d) A –V; B –III; C –II; D –I; E –IV

Question- Which one of the following is correctly matched regarding an Institute and its location? [2004]
(a) National Institute of Virology – Pune
(b) National Institute of Communicable disease- Lucknow
(c) Central Drug Research Institute – Kasauli Institute
(d) National Institute of Nutrition – Mumbai

Question- Match column-I with column-II and choose the correct combination from the options given below.
Column-I                                Column-II
A. National Botanical             I. Carolus Linneaus
Research Institute
B. Indian Botanical               II. Taxon
Garden
C. Binomial                          III. Howrah (India)
Nomenclature
D. A unit of                          IV. Lucknow
classification
(a) A – III; B – IV; C – I; D – II
(b) A – IV; B – III; C – I; D – II
(c) A – IV; B – III; C – II; D – I
(d) A – IV; B – I; C – III; D – II

Question- Match column I with column II and choose the correct option.
Column-I                       Column-II
A. Family                          I. tuberosum
B. Kingdom                      II. Polymoniales
C. Order                           III. Solanum
D. Species                       IV. Plantae
E. Genus                          V. Solanaceae
(a) A – IV; B – III; C – V; D – II; E – I
(b) A – V; B – IV; C – II; D – I; E – III
(c) A – IV; B – V; C – II; D – I; E – III
(d) A – V; B – III; C – II; D – I; E – IV

Question- Which one of the following animals is correctly matched with its particular named taxonomic category ?
(a) Tiger – Tigris, the species
(b) Cuttle fish – Mollusca, a class
(c) Humans – Primata, the family
(d) Housefly – Musca, an order

Question- Choose the correct one 
(i) Growth cannot be taken as a defining property of living organism.
(ii) Dead organism does not grow.
(iii) Reproduction cannot be an all inclusive defining characteristic of living organisms.
(iv) No non-living object is capable of replicating itself.
(v) Metabolism in a test tube is non-living.
(vi) Metabolism is a defining feature of all living organisms.
(a) (i) and (iii)
(b) All except (v)
(c) All except (iii)
(d) All of these

Question- Which of the following organisms is not correctly matched with its particular ?
(a) Human beings – Sapiens, species
(b) Lion – Panthera, genus
(c) Cats – Felidae, genus
(d) Datura – Solanaceae, family

Question- ‘Taxa’ differs from ‘taxon’ due to being
(a) a higher taxonomic category than taxon.
(b) lower taxonomic category than taxon.
(c) the plural of taxon.
(d) the singular of taxon.

Question- Select the correct Match.
Column I                                   Column II
A. Ex-situ conservation                 I. Central national Herbarium
B. Quick referral system               II. Museum
C. Preserved plants and Animals    III. Flora
D. Account of habitat
and distribution of
plant in an area.                          IV. Royal Botanical  Garden, Kew.
(a) II   III  IV  I
(b) I    IV  II   III
(c) IV   I   III  IV
(d) IV   I   II   III