MCQ Questions Chapter 1 The Living World Class 11 Biology

MCQ Class 11

Please refer to MCQ Questions Chapter 1 The Living World Class 11 Biology with answers provided below. These multiple-choice questions have been developed based on the latest NCERT book for class 11 Biology issued for the current academic year. We have provided MCQ Questions for Class 11 Biology for all chapters on our website. Students should learn the objective based questions for Chapter 1 The Living World in Class 11 Biology provided below to get more marks in exams.

Chapter 1 The Living World MCQ Questions

Please refer to the following Chapter 1 The Living World MCQ Questions Class 11 Biology with solutions for all important topics in the chapter.

MCQ Questions Answers for Chapter 1 The Living World Class 11 Biology

Question- Which one of the taxonomic aids can give comprehensive account of complete compiled information of any one genus or family at a particular time?
(a) Taxonomic key
(b) Flora
(c) Herbarium
(d) Monograph

Answer

D

Question- Which of the following statement(s) is/are correct for Metabolism ?
(a) It is the sum total of all physical reactions taking place inside a living system.
(b) All plants, animals, fungi and microbes exhibit metabolism.
(c) Isolated metabolic reactions in-vitro are not living but are living reactions.
(d) All of the above

Answer

B

Question- Non-living objects-
1. Grows from external surface by collecting substance on it.
2. Grows from internal surface like living.
3. Do not grow at all.
Which of the followings option is correct?
(a) Only 1 correct
(b) Only 2 correct
(c) Only 3 correct
(d) All 1, 2, 3 correct

Answer

A

Question- In multicellular organisms, _____ refers to the production of progeny possessing features more or less similar to those of parents.
(a) growth
(b) reproduction
(c) metabolism
(d) consciousness

Answer

B

Question- The fungi, the filamentous algae, the protonema of mosses, all easily multiply by _____.
(a) budding
(b) fission
(c) regeneration
(d) fragmentation

Answer

D

Question- Which of the following factors exclusively affects reproduction in seasonal breeders, both plants and animals?
(a) Water
(b) Temperature
(c) Photoperiod
(d) All of these

Answer

C

Question- The sum total of all the chemical reactions occurring in our body is known as
(a) metabolism
(b) growth
(c) regeneration
(d) reproduction

Answer

A

Question- Which of the following term is used to refer the number of varieties of plants and animals on earth ?
(a) Taxonomy
(b) Identification
(c) Biodiversity
(d) Classification

Answer

C

Question- Each statement in the key is called _______.
(a) lead
(b) catalogues
(c) manuals
(d) monographs

Answer

A

Question- Binomial nomenclature means
(a) one name given by two scientists.
(b) one scientific name consisting of a generic and specific epithet.
(c) two names, one latinized, other of a person.
(d) two names of same plant.

Answer

B

Question- Each category of taxonomic hierarchy refers to as a unit of ______.
(a) systematic
(b) identification
(c) nomenclature
(d) classification

Answer

D

Question- Amongst the given taxonomic aids, how many are associated with preservation of specimens?Monograph, Flora, Key, Museums, Botanical Gardens, Catalogue, Herbarium, Manual
(a) One
(b) Three
(c) Two
(d) Four

Answer

C

Question- Taxon is a
(a) unit of classification.
(b) species.
(c) highest rank of classification.
(d) group of closely related organisms.

Answer

D

Question- The practical purpose of classification of living organisms is to
(a) explain the origin of living organsims.
(b) trace the evolution of living organsims.
(c) name the living organisms.
(d) facilitate identification of unknown organisms.

Answer

D

Question- Which of the following is not a characteristic of life?
(a) Reproduction
(b) Complex chemical organization
(c) Adaptation to environmental changes
(d) Differentiation from cells to tissues

Answer

D

Question- Which of the following statements are correct about herbarium?
(a) It is a store house of collected plant specimens that are dried and preserved on sheets.
(b) Herbarium sheets contain information about date and place of collection, names, family, collector’s name, etc.
(c) It serves as quick referral systems in taxonomical studies.
(d) All of the above

Answer

D

Question- The order generally ends with
(a) ales
(b) aceae
(c) eae
(d) none of these

Answer

A

Question- Which of the following taxonomic aid provides information for the identification of names of species found in an area?
(a) Monograph
(b) Manual
(c) Flora
(d) Periodical

Answer

B

Question- Which of the following pair is correctly matched.
(i) Fungi – Regeneration
(ii) Mossess – Fragmentation
(iii) Planaria – Budding
(a) (i) and (ii)
(b) Both (i) and (iii)
(c) only (ii)
(d) only (iii)

Answer

C

Question- Which one of the following taxonomical aid is used for identification of plants and animals based on similarities and dissimilarities?
(a) Flora
(b) Keys
(c) Monographs
(d) Catalogues

Answer

B

Question- Growth in living organisms occurs by
(a) division of cells.
(b) increase in biomass.
(c) accumulation of materrial by external agency.
(d) both (a) and (b).

Answer

D

Question- The famous botanical garden ‘Kew’ is located in
(a) England
(b) Lucknow
(c) Berlin
(d) Australia

Answer

A

Question- Which of the following taxonomic categories is being described by the given statements (i-iii) ?
(i) It is the basic unit of classification.
(ii) It is defined as the group of individuals which resemble in their morphological and reproductive characters and interbreed among themselves and produce fertile offsprings.
(iii) Human beings belong to the species sapiens which is grouped in the genus Homo.
(a) Species
(b) Genus
(c) Order
(d) Family

Answer

A

Question- Keys are generally _______ in nature.
(a) physical
(b) chemical
(c) analytical
(d) qualitative

Answer

C

Question- The keys are based on contrasting characters generally in a pair called _______.
(a) flora
(b) couplet
(c) both (a) and (b)
(d) manuals

Answer

B

Question- Study the following statements and select the correct description of botanical garden.
(i) Plant species are grown for identification purposes.
(ii) Labeling of each plant consists of its botanical name/ scientific name and its family.
(iii) Specimens are preserved in the jars and containers.
(iv) It is a type of store house which contains dried,pressed and preserved plant specimens on sheet.
(v) Plant specimen contains a labeling of information about date and place of collection.
(a) (i) and (ii) only
(b) (i), (ii) and (iii) only
(c) (ii) and (iv) only
(d) All the five statements

Answer

A

Question- Which of the following statement(s) is/are correct?
(a) Only living organisms grow.
(b) Plants grow only up to a certain age.
(c) The growth in living organisms is from inside.
(d) All of the above.

Answer

C

Question- Which of the following statements regarding growth is incorrect?
(a) In animals growth is seen up to a certain age
(b) Increase in body mass is considered as growth
(c) Growth by cell division occurs continuously throughout their life span in animals
(d) Increase in mass and number of individuals is the characteristics feature of animal growth

Answer

C

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

Answer

B

Question- 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

Answer

A

Question- Which two points are known as the twin characteristicsof growth?
(i) Increase in mass
(ii) Differentiation
(iii) Increase in number of individuals
(iv) Response to stimuli
(a) (i) and (ii)
(b) (i) and (iv)
(c) (ii) and (iii)
(d) (i) and (iii)

Answer

D

Question- Which of the following statements regarding growth is incorrect?
(a) In plants, growth by cell division is seen only upto a certain stage.
(b) Growth exhibited by non-living objects is by accumulation of material on the surface.
(c) A multicellular organism grows by cell division.
(d) Growth in in vitro culture of unicellular organisms can be observed by counting the number of cells.

Answer

A

Question- Systematics takes accounts:
(a) Evolutionary relationship between organisms.
(b) Breeding relationship between organisms.
(c) Economic relationship between organisms.
(d) None of these

Answer

A

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

Answer

D

Question-Taxon represents:
(a) Rank in classification
(b) Basic unit of classification
(c) Both of these
(d) None of these

Answer

A

Question- Term classification was given by:
(a) A.P de Condolle
(b) Norman E. Borloug
(c) Tansley
(d) None of these

Answer

A

Question- Which of the following taxonomic categories contains organisms least similar to one another?
(a) Genera
(b) Family
(c) Class
(d) Species

Answer

C

Question- The suffix – inae signifies the rank:
(a) Tribe
(b) Subtribe
(c) Suborder
(d) Family

Answer

B

Question- Father of Indian Taxonomy:
(a) Ajay phadke
(b) Henry Santapau
(c) Har Govind Khorana
(d) Chanukah

Answer

B

Question- Species living in different geographical areas are called:
(a) Allochronic
(b) Allopatric
(c) Sympatric
(d) Siblings

Answer

B

Question- What is ethnobotany?
(a) Cultivation of flower yielding plants
(b) Use of plants and their parts
(c) Relationship between plants and primitive people
(d) Study of soil

Answer

C

Question- The timing of seasonal activity of plants in relation to change in environmental conditions is termed as:
(a) Dendrochronology
(b) Phenology
(c) Time lapse
(d) Biological clock

Answer

B

Question- Which of the following provide information of any one taxon?
(a) Manuals
(b) Monograph
(c) Flora
(d) Fauna

Answer

B

Question- In a scientific name, the name of the author is printed in
(a) Capital letters
(b) Bold ( antics)
(c) Italics
(d) Roman

Answer

D

Question- Cohort is a group of correlated:
(a) Order
(b) Species
(c) Genera
(d) Families

Answer

D

Question- Few rules are written following regarding binomial nomenclature. Identity the wrong one:
(a) Biological names are latinized and written in italics
(b) Generic and specific name starts with capital letter
(c) Generic and specific name when hand written are underlined
(d) All are correct

Answer

B

Question- The statement ‘nothing lives forever, yet life continues’ illustrates the role of
(a) Embryogenesis
(b) Morphogenesis
(c) Replication
(d) Reproduction

Answer

D

Question- Identity the incorrect statement:
(a) Class like Mammalia is involved in phylum Chordata
(b) Order like Insecta is involved in class Mandibulate
(c) Genus like Panthera is involved in family Felidae.
(d) Order like Primata is involved in class Mammalia

Answer

B

Question- Which is not the component of taxonomy?
(a) Identification
(b) Responsiveness
(c) Nomenclature
(d) Classification

Answer

B

Question- Which of the following is a species?
(a) Tamarindus
(b) Homo
(c) Triticum aestivam
(d) Indica

Answer

D

Question- Species is considered:
(a) As basic unit of classification
(b) The largest unit of classification
(c) Artificial concept of human mind which cannot be defined in absolute terms
(d) Real unit of classification devised by taxonomists

Answer

A

Question- Linnaeus used the title for his publication is?
(a) Systema Naturae
(b) Genera Naturae
(c) Altis vortex
(d) Die Nature lichen pflanzen

Answer

A

Question- Genera Plantarum was given by:
(a) Bentham Hooker
(b) Engler & Prantl
(c) (a)P de Condole
(d) None of these

Answer

A

Question- Defining property of living organism?
(a) Reproduction
(b) Metabolism
(c) Consciousness
(d) Cell division

Answer

C

Question- Linnaeus put similar species into a larger group called the
(a) Species
(b) Family
(c) Kingdom
(d) Genus

Answer

D

Question- In a taxonomic hierarchy, genus is interpolated between
(a) Kingdom and class
(b) Phylum and order
(c) Order and species
(d) Family and species

Answer

D

Question- Which of the following do not reproduces?
(a) Phytoplankton
(b) Worker bee
(c) Queen bee
(d) Mycoplasma

Answer

B

Question- Systematics refers to the
(a) identification and classification of plants and animals.
(b) nomenclature and identification of plants and animals.
(c) diversity of kinds of organisms and their relationship.
(d) different kinds of organisms and their classification.

Answer

C

Question- Which one of the following statements is correct about biodiversity ?
(a) It is the occurrence of varied type of organisms on earth.
(b) Each different kind of plant, animal or organism represents a species.
(c) The number of species that are known and described range between 1.7–1.8 million.
(d) All of the above

Answer

D

Question-Which of the following statements are not correct ?
(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.
(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (i) and (iv)
(d) (ii) and (iii)

Answer

D

Question- Which of the following statements are correct?
(i) Genus comprises a group of related species.
(ii) Taxon represents a taxonomic group of individual organisms.
(iii) Family comprises a group of related genera.
(iv) Taxonomic category class includes related orders.
(a) (i), (ii), and (iv)
(b) (ii) and (iv)
(c) (i), (iii) and (iv)
(d) (ii), (iii) and (iv)

Answer

C

Question- In printed scientific names, only the ______ is capitalized.
(a) class
(b) species
(c) genus
(d) family

Answer

C

Question- Which of the following statement(s) is/are not correct ?
(i) Reproduction is the production of progeny possessing features dissimilar to their parents.
(ii) The fungi, the filamentous algae, the protonema of mosses, all multiply by budding.
(iii) Many organisms like mules, sterile worker bees do not reproduce.
(iv) Reproduction is not an all-inclusive defining characteristic of living organisms.
(a) Only (i)
(b) Both (i) and (ii)
(c) Both (ii) and (iv)
(d) All of these

Answer

B

Question- Which of the following statement(s) is/are correct ?
(i) All living organisms have ability to respond the environment stimuli which could be physical, chemical or biological.
(ii) Plants respond to external factors like light, water,temperature, other organisms, pollutants, etc.
(iii) Photoperiod affects the process of reproduction.
(iv) Human being is the only organism who has self consciousness.
(a) Only (i)
(b) Both (ii) and (iii)
(c) Both (i) and (iv)
(d) All of these

Answer

D

Question- Which of the following statement(s) is/are correct ?
(i) Classification is the providing of standardize names to the organisms such that a particular organism known by the same all over the world.
(ii) Taxonomy is the correct description of an organism and to recognition in its scientific name.
(iii) The system of naming with two components (binomial nomenclature) is proposed by Carolus Linneaus.
(iv) Zoological names are based on International Code for Zoological Nomenclature (ICZN).
(a) Only (i)
(b) Both (iii) and (iv)
(c) Only (iv)
(d) All of these

Answer

B

Question- Which of the following statement(s) is/are not correct ?
(i) Genus comprises a group of related species which has more characters in common in comparison to species of other genera.
(ii) Three different genera such as Solanum, Datura and Petunia are placed in the family malvaceae.
(iii) In case of plants, classes with a few similar characters are assigned to a higher category called phylum.
(a) Both (i) and (ii)
(b) Only (iii)
(c) Both (ii) and (iii)
(d) All of these

Answer

C

Question- Which of the following are unique features of living organisms?
(a) Growth and reproduction
(b) Reproduction and ability to sense environment
(c) Metabolism and interaction
(d) All of the above

Answer

D

Question- Which of the following taxonomical aids is being described by the given statements (i-iv) ?
(i) They generally established in educational institutes.
(ii) They have collections of preserved plant and animal specimens for study and reference.
(iii) Insects are preserved in boxes after collecting, killing and pinning.
(iv) They often have collections of skeletons of animals too.
(a) Herbarium
(b) Museum
(c) Zoological parks
(d) Botanical gardens

Answer

B

Question- In majority of higher animals and plants, _____ and _____ are mutually exclusive events.
(a) growth; nutrition
(b) nutrition; consciousness
(c) growth; reproduction
(d) reproduction; consciousness

Answer

C

Question- Select the correct statements (i-v) regarding taxonomic categories.
(i) Each step or rank in hierarchy is called taxonomic category.
(ii) Species is a group of individual organisms with fundamental similarities capable of breeding among themselves.
(iii) Taxonomic studies of all unknown organisms have led to the development of common categories like kingdom, phylum or division, class, order, family, genus and species.
(iv) Lower the category, greater is the difficulty of determining the relationship to other taxa at the same level.
(a) (i) & (ii) only
(b) (ii) & (iv) only
(c) (i), (ii) & (iii) only
(d) All of the above

Answer

A

Question- Which of the following statements is incorrect?
(a) The scientific name for humans is Homo sapiens.
(b) Organisms placed in the same genus are least closely related.
(c) Moving from species to kingdom, more different species are included in each higher category.
(d) Species that are in the same genus share very specific characteristics.

Answer

B

Question- Herbarium is a
(a) garden where medicinal plants are grown.
(b) garden where herbaceous plants are grown.
(c) dry garden.
(d) chemical to kill plants.

Answer

C

Question- Which of the following is the correct sequence of the various steps of Herbarium formation?
(1) Drying (2) Poisoning (3) Collection
(4) Labelling (5) Mounting (6) Deposition (7) Stitching
(a) 3, 1, 2, 5, 7, 4, 6
(b) 3, 2, 4, 5, 6, 7, 1
(c) 3, 1, 2, 5, 7, 6, 4
(d) 3, 1, 2, 7, 5, 6, 4

Answer

A

Question- Cell division occurs _______ in plants and _______ in animals.
(a) continuously, only upto a certain age
(b) only upto a certain age, continuously
(c) continuously, never
(d) once, twice

Answer

A

Question- Which of the following statements regarding nomenclature is correct?
(a) Generic name always begins with capital letter whereas specific name with small letter.
(b) Scientific name should be printed in italics.
(c) Scientific name when typed or handwritten should be underlined.
(d) All of the above

Answer

D

Question- Dicotyledons like mango, brinjal and monocotyledons like Wheat and Rice are placed under a taxonomic category known as
(a) Phylum – Angiospermae
(b) Division – Angiospermae
(c) Class – Angiospermae
(d) Sereis – Polypetalae

Answer

B

Question- In unicellular organisms, with respect to growth and reproduction following can be true.
1. Growth and Reproduction are inclusive events.
2. unicellular organisms grow by cell division.
3. Both are exclusive
(a) Only 1 correct
(b) Only 2 correct
(c) Both 1 and 2 correct
(d) Only 3 correct

Answer

C

MCQ Questions Chapter 1 The Living World Class 11 Biology

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