Class 11 Biology Chapter 1 The Living World MCQ Questions with Answer

The Living World Class 11 MCQ is one of the best strategies to prepare for the CBSE Class 11 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more MCQ on The Living World Class 11, which will help them all through their board test.

The Living World Class 11 MCQ Questions with Answer

Class 11 Biology MCQ with answers are given here to chapter 1 The Living World. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 11 BIology syllabus. By Solving these Class 11 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 11 Annual exam.

Learn Class 11 The Living World MCQs with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 11 Biology The Living World MCQ with answers given below

Question 1. Linnaeus system of classification is 
(a) Natural
(b) Artificial
(c) Phylogenetic
(d) Progressive

Question 2. The living organisms can be exceptionally distinguished from the non-living things on the basis of their ability for 
(a) interaction with the environment and progressive evolution
(b) reproduction
(c) growth and movement
(d) responsiveness to touch. 

Question 3. Which one of the following aspects is an exclusive characteristic of living things?   
(a) Isolated metabolic reactions occur in vitro
(b) Increase in mass from inside only
(c) Perception of events happening in the environment and their memory.
(d) Increase in mass by accumulation of material both on surface as well as internally.

Question 4. Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus.   
(a) Mangifera Indica
(b) Mangifera indica Car. Linn.
(c) Mangifera indica Linn.
(d) Mangifera indica 

Question 5. Which of the following is against the rules of ICBN?   
(a) Hand written scientific names should be underlined.
(b) Every species should have a generic name and a specific epithet.
(c) Scientific names are in Latin and should be italicized.
(d) Generic and specific names should be written starting with small letters.

Question 6. Biological organisation starts with   
(a) cellular level
(b) organismic level
(c) atomic level
(d) submicroscopic molecular level.

Question 7. The basic unit of classification is   
(a) genus
(b) species
(c) variety
(d) subspecies

Question 8. ICBN stands for   
(a) International Code of Botanical Nomenclature
(b) International Congress of Biological Names
(c) Indian Code of Botanical Nomenclature
(d) Indian Congress of Biological Names.

Question 9. Choose the correct statements from following:
(a) Taxonomic hierarchy includes seven obligate categories.
(b) Haeckel introduced the taxon phylum.
(c) Three – domain classification was introduced by Carl Woese.
(a) A & B
(b) B & C
(c) A & C
(d) All

Question 10. Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature?   
(a) The names are written in Latin and are italicised.
(b) When written by hand the names are to be underlined.
(c) Biological names can be written in any language.
(d) The first word in a biological name represents the genus name and the second is a specific epithet.

Question 11. Binomial nomenclature was introduced by   
(a) Linnaeus 
(b) Darwin
(c) Bentham and Hooker
(d) Aristotle

Question 12. Read the following statements.
(a) Isolated-metabolic reactions in-vitro are living things.
(b) Reproduction is synonymous with growth in Chlamydomonas.
(c) Reproduction is an all inclusive defining characteristic of living organisms.
(d) Extrinsic growth cannot be taken as defining property of living organisms.
How many of the above statement (s) is/are not true?
(a) One
(b) Two
(c) Three
(d) Four

Question 13. Botanical gardens and Zoological parks have:
(a) Collection of endemic living species only
(b) Collection of exotic living species only
(c) Collection of endemic and exotic living species
(d) Collection of only local plants and animals

Question 14. Incorrect statement is:
(a) Naming is only possible when the organism is described correctly.
(b) Scientific names are based on the principles and criteria provided in ICBN.
(c) Description of any organism should enable the people (in any part of the world) to arrive at the same name.
(d) Category denotes rank, and these categories or ranks are merely morphological aggregates.

Question 15. Read the following statements.
(a) Manuals are useful in providing information for identification of names of species found in an are(a)
(b) Potato and brinjal are related species, which has more characters in common in comparison to shimla mirch.
(c) CO₂ dissolving in water, a physical process, is a catalysed reaction in living systems.
(d) The ribosomes of polysome translate the mRNA into multiple copies of the same protein.
(a) A and C are correct
(b) Only B correct
(c) B incorrect
(d) All are correct

Question 16. Sequence of taxonomic categories is:
(a) Class-phylum-tribe-order-family-genus-species
(b) Division-class-family-tribe-order-genus-species
(c) Division-class-order-family-tribe-genus-species
(d) Phylum-order-class-tribe-family-genus-species

Question 17. The high boiling point of water is advantageous to living organisms because
(a) The environment seldom reaches the boiling point of water.
(b) Organisms can easily boil off enough water to keep themselves cool.
(c) It allows organisms to spread heat evenly throughout their bodies.
(d) Organisms can absorb a great deal of heat before they reach the boiling point from organisms and population.

Question 18. Read the following statements and identify the correct statements:
(a) Biodiversity refers to the number and types of organisms present on earth.
(b) The local names would vary from place to place,even within a country.
(c) The number of species that are known and described range between 1.7-1.8 million.
(d) International Code for Botanical Nomenclature (ICBN) provides scientific names for plants
E. Nomenclature or naming is only possible when the organism is described correctly.
(a) A and B only
(b) A, B and C only
(c) A, D and C only
(d) All of these

Question 19.The term ‘systematics’ refers to:
(a) Identification and study of organ systems
(b) Identification and preservation of plants and animals
(c) Diversity of kinds of organisms and their relationship
(d) Study of habitats of organisms and, their classification

Question 20. 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 21. Which of the following ‘suffixes’ used for units of classification in plants indicates a taxonomic category of ‘family’?
(a) — Ales
(b) — Onae
(c) — Aceae
(d) — Ae

Question 22. 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) A group of plants in a given are(a)

Question 23. Incorrect statement are:
(a) Animals, mammals, dogs, alsatians represent taxa at different levels.
(b) Phenotypic plasticity is the ability of an organism to change its phenotype in response to environment.
(c) Nomenclature is only possible when the organism is described correctly.
(d) In animals, growth is seen only up to a certain age.
E. Non-living objects also grow if we take increase in body mass as a criteria of growth.
F. Human being is the only organism who is aware of himself.
(a) C
(b) B
(c) A
(d) Zero

Question 24. The taxonomic unit ‘Phylum’ in the classification of animals is equivalent to which hierarchical level in classification of plants:
(a) Class
(b) Order
(c) Division
(d) Family

Question 25. All living organisms are linked to one another because:
(a) They have common genetic material of the same type
(b) They share common genetic material but to varying degrees
(c) All have common cellular organization
(d) All of the above

Question 26. Which of the following is a defining characteristic of living organisms?
(a) Growth
(b) Ability to make sound
(c) Reproduction
(d) Response to external stimuli

Question 27. The term “New Systematics” was introduced by:
(a) Bentham and Hooker
(b) Linnaeus
(c) Julian Huxley
(d) (a) P. de Candolle

Question 28. Static concept of species was put forward by:
(a) de Candolle
(b) Linnaeus
(c) Mayr
(d) Darwin

Question 29. The label of a herbarium sheet does not carry information on:
(a) Local names
(b) Height of the plant
(c) Date of collection
(d) Name of collector

Question 30. Biodiversity of a geographical region represents:
(a) Genetic diversity present in the dominant species of the region
(b) Species endemic to the region
(c) Endangered species found in the region
(d) The diversity in the organisms living in the region

Question 31. Match the following and choose the correct option.
(a) Family               1. Tuberosum
(b) Kingdom            2. Polymoniales
(c) Order                3. Solanum
(d) Species             4. Plantae
E. Genus                5. Solanaceae
(a) A-4 B-3 C-5 D-2 E-1
(b) A-5 B-4 C-2 D-1 E-3
(c) A-4 B-5 C-2 D-1 E-3
(d) A-5 B-3 C-2 D-1 E-4

Question 32. Consider the following statements and select correct set of option.
(a) The most obvious and technically complicated features are metabolism and consciousness.
(b) Growth and reproduction are mutually inclusive events for euglenoids and chrysophytes.
(c) Generally, families and orders are identified on the basis of aggregates of vegetative characters only.
(d) Herbarium serves as quick referral system in taxonomical studies.
(a) B, C & D
(b) A, C & D
(c) B & D
(d) A, B, C & D

Question 33. Viable material of endangered species can be preserved by:
(a) Gene bank
(b) Gene library
(c) Herbarium
(d) Gene pool

Question 34. Biosystamatics aims at:
(a) The classification of organisms based on broad morphological characters.
(b) Delimiting various taxa of organisms and establishing their relationships.
(c) The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies.
(d) Identification and arrangement of organisms on the basis of their cytological characteristics.

Question 35. First life on earth was:
(a) Cyanobacteria     
(b) Chemohetrotrophs
(c) Autotrophs             
(d) Photoautotrophs

Question 36. ‘Taxon’ is the unit of a group of:
(a) Order
(b) Taxonomy
(c) Species
(d) Genes

Question 37. Which arrangement is in correct ascending order?
(a) Species < genus < order < family
(b) Genus < species < family < order
(c) Order < family < genus < species
(d) Species < genus < family < order

Question 38. A living organism can be unexceptionally differentiated from a non-living thing on the basis of its ability for:
(a) Reproduction
(b) Growth and movement
(c) Responsiveness to touch
(d) Interaction with environment and progressive evolution

Question 39. A group of plants or animals with similar traits of any rank is:
(a) Species
(b) Genus
(c) Order
(d) Taxon

Question 40. Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of:
(a) Monographs
(b) Flora
(c) Both (a) and (b)
(d) None of these

Question 41. Isolated metabolism reaction outside the body performed in test tube
(a) Living
(b) Non – living
(c) Neither living nor Non-living
(d) Both (a) and (b)

Question 42. The taxonomic category below the lovel of family is
(a) Class
(b) Species
(c) Phylum
(d) Genus

Question 43. Olericulture is cultivation of:
(a) Flowers
(b) Vegetables
(c) Fruits
(d) All the above

Question 44. Which of the following species are restricted to a given area?
(a) Sympatric species
(b) Allopatric species
(c) Sibling species
(d) Endemic species

Question 45. Die naturlichen pflanzenfamilien was given by.
(a) Engler & Prantl
(b) Lamarck
(c) Curier
(d) None of these

Question 46. Family and order of Triticum aestivum (wheat) are
(a) Poaceae, Monocotyledonae
(b) Poaceae, Poales
(c) Poales, Monocotyledonae
(d) None is correct

Question 47. The word ending with – aceae indicates:
(a) Genera
(b) Family
(c) Order
(d) Class

Question 48. Largest Herbarium in the world situated in
(a) Kew
(b) L.(a)
(c) Johannesburg
(d) Brazil

Question 49. Carnivora includes
(a) Canis
(b) Felis
(c) Both of these
(d) None of these

Question 50. Order polyemoniales include
(a) Convolvulaceae
(b) Solanaceae
(c) Both of this
(d) None of these

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Question 51. Providing information for identification of names of species found in an area
(a) Fauna
(b) Flora
(c) Monograph
(d) Manuals

Question 52. Which of the following combinations is correct for wheat ?
(a) Genus : Triticum, Family : Anacardiaceae, Order : Poales, Class : Monocotyledonae
(b) Genus : Triticum, Family : Poaceae, Order : Poales, Class : Dicotyledonae
(c) Genus : Triticum, Family : Poaceae, Order : Sapindales, Class : Monocotyledonae
(d) Genus : Triticum, Family : Poaceae, Order : Poales, Class : Monocotyledonae

Question 53. Poales is the order of
(a) Mango
(b) Wheat
(c) Maize
(d) Corn

Question 54. The word systematics is derived from
(a) Greek word systema
(b) Italic word systema
(c) Latin word systema
(d) English word systema

Question 55. Order polyemoniales based on
(a) Reproductive character
(b) Floral character
(c) Evolutionary character
(d) None of these

Question 56. The category that includes related order is
(a) Families
(b) Phylum
(c) Class
(d) Kingdom

Question 57. Two animals belong to the same kingdom but different classes. They may belong to the same
(a) Phylum
(b) Order
(c) Division
(d) Family

Question 58. When organisms are in the same class but not in same family, the taxonomic term is called as:
(a) Order
(b) Genus
(c) Family
(d) Species

Question 59. The simplest amino acid is:
(a) Aspartic acid
(b) Tyrosine
(c) Lysine
(d) Glycine

Question 60. In a taxonomic hierarchy, family is interpolated between:
(a) Kingdom and class
(b) Class and order
(c) Order and genus
(d) Class and genus

Question 61. Family of man (Homo sapiens) is:
(a) Hominidae
(b) Hominini
(c) Primata
(d) Ceboideae

Question 62. The term taxon for plants coined by
(a) Curier
(b) Adolf Meyer
(c) H.J Lam
(d) DeCandolle

Question 63. Insects are preserved in insect boxes after:
(a) Collecting – Killing – Pinning
(b) Killing – Collecting – Pinning
(c) Killing – Pinning – Collecting
(d) None of these

Question 64. Herbarium sheet size?
(a) 29 * 41.5 cm
(b) 29 * 40 cm
(c) 30 * 20 cm
(d) 20 * 20 cm

Question 65. Employment of hereditary principles in the improvement of human race is:
(a) Ethnology
(b) Euphenics
(c) Eugenics
(d) Euthenics

Question 66. The book ‘Genera Plantarum’ was written by   
(a) Engler and Prantl 
(b) Bentham and Hooker
(c) Bessey
(d) Hutchinson.

Question 67. Biosystematics aims at   
(a) the classification of organisms based on broad morphological characters
(b) delimiting various taxa of organisms and establishing their relationships
(c) the classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies
(d) identification and arrangement of organisms on the basis of their cytological characteristics.

Question 68. 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 69. 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

Question 70. Linnaeus evolved a system of nomenclature called   
(a) mononomial
(b) vernacular
(c) binomial
(d) polynomial.

Question 71: Which one of the following has least similar characters?   
(a) Class
(b) Genus
(c) Species
(d) Family

Question 72. Linnaeus is credited with   
(a) binomial nomenclature
(b) theory of biogenesis
(c) discovery of microscope
(d) discovery of blood circulation. 

Question 73. The common characteristics between tomato and potato will be maximum at the level of their   
(a) family
(b) order
(c) division
(d) genus.

Question 74. The term “New Systematics” was introduced by   
(a) Bentham and Hooker
(b) Linnaeus
(c) Julian Huxley
(d) A.P. de Candolle.

Question 75. “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 76. 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 77. Which one of the following animals is correctly matched with its particular taxonomic category?   
(a) Tiger – tigris, species
(b) Cuttlefish – mollusca, class
(c) Humans – primata, family
(d) Housefly – Musca, order

Question 78: What is true for individuals of same species?   
a) Interbreeding
b) Live in same habitat
c) Live in same niche
d) None of these

Question 79. Which one of the following organisms is scientifically correctly named, correctly printed according to the International Rules of Nomenclature and correctly described?   
(a) Musca domestica – the common house lizard, a reptile
(b) Plasmodium falciparum – a protozoan pathogen causing the most serious type of malaria.
(c) Felis tigris – the Indian tiger, well protected in Gir forests.
(d) E.coli – full name Entamoeba coli, a commonly occurring bacterium in human intestine.

Question 80. Which of the following is less general in characters as compared to genus?   
(a) Species
(b) Division
(c) Class
(d) Family 

Question 81. ‘Taxon’ is the unit of a group of   
(a) order
(b) taxonomy
(c) species
(d) genes. 

Question 82. Species are considered as   
(a) real basic units of classification
(b) the lowest units of classification
(c) artificial concept of human mind which cannot be defined in absolute terms
(d) real units of classification devised by taxonomists. 

Question 83. 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 84. The term phylum was given by   
(a) Cuvier
(b) Haeckel
(c) Theophrastus
(d) Linnaeus.

Question 85. The classification of Linnaeus was mainly based on   
(a) Sepals
(b) Carpels
(c) Petals
(d) Stamens

Question 86. Sequence of taxonomic categories is   
(a) class–phylum–tribe–order–family–genus– species
(b) division–class–family–tribe–order–genus–species
(c) division–class–order–family–tribe–genus–species.
(d) phylum–order–class–tribe–family–genus–species. 

Question 87. A taxon is   
(a) a group of related families
(b) a group of related species
(c) a type of living organisms
(d) a taxonomic group of any ranking.

Question 88. Which of the following is less general in characters as compared to genus?   
(a) Species
(b) Division
(c) Class
(d) Family

Question 89. A group of plants or animals with similar traits of any rank is   
(a) species
(b) genus
(c) order
(d) taxon.

Question 90. Static concept of species was put forward by   
(a) de Candolle
(b) Linnaeus
(c) Theophrastus
(d) Darwin.

Question 91. 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 92. Basic unit or smallest taxon of taxonomy/classification is   
(a) species
(b) kingdom
(c) family
(d) variety. 

Question 93. Which one of the following is not a correct statement?   
(a) A museum has collection of photographs of plants and animals.
(b) Key is a taxonomic aid for identification of specimens.
(c) Herbarium houses dried, pressed and preserved plant specimens.
(d) Botanical gardens have collection of living plants for reference.

Question 94. 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 95. 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 the plant.

Question 96. Choose correct scientific name of mango   
a) Mangifera indica Linn
b) Mangifera indica Hook
c) Mangifera indica L
d) Mangifera Indica

Question 97. 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 germplasm
(d) they provide the natural habitat for wild life.

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