CBSE Class 11 Biology The Living World MCQs Set G

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

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

Question: Glucose is taken in a test tube and acted upon by hexokinase enzyme. The 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
Answer: c

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
Answer: a

Question: Biological names, when hand written, should necessarily be:
a) Underlined
b) Bold (antics)
c) In capital letters
d) Italics
Answer: a

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

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
Answer: a

Question: Term Biology was introduced by:
a) Aristotle
b) Darwin
c) John Ray
d) Lamarck and Treviranus
Answer: d

Question: The science of giving names to living beings is called:
a) Nomenclature
b) Identification
c) Classification
d) Characterization
Answer: a

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
Answer: c

Question: In Mangifera indica Linn., indica refers to:
a) Genus
b) Author
c) Family
d) Species
Answer: d

Question: First book of Botany, Historia Plantarum, was given by:
a) Theophrastus
b) A. P. de Candolle
c) Aristotle
d) None of these
Answer: a

Question: Museums are known to preserve:
a) Insects
b) Larger animals
c) Skeletons of animals
d) All of these
Answer: d

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

Question: A living organism is unexceptionally differentiated from non-living structures on the basis of:
a) Reproduction
b) Growth and movement
c) Interaction with environment
d) Responsiveness
Answer: d

Question: In which organism reproduction can be considered as synonymous with growth?
a) Amoeba
b) Planaria
c) Starfish
d) More than one option are correct
Answer: a

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
Answer: c

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.
Answer: c

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

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

Question: Which one of the following is correctly matched regarding an Institute and its location?
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
Answer: a

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.
Answer: d

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.
Answer: d

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

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
Answer: a

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.
Answer: b

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

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.
Answer: c

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.
Answer: c

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.
Answer: a

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.
Answer: b

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.
Answer: d

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
Answer: a

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
Answer: a

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
Answer: d

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

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)
Answer: d

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
Answer: b

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
Answer: d

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
Answer: a

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
Answer: c

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
Answer: c

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
Answer: b

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
Answer: b

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
Answer: b