Assignments Class 11 Biology The Living World

Please refer to Assignments Class 11 Biology The Living World Chapter 1 with solved questions and answers. We have provided Class 11 Biology Assignments for all chapters on our website. These problems and solutions for Chapter 1 The Living World Class 11 Biology have been prepared as per the latest syllabus and books issued for the current academic year. Learn these solved important questions to get more marks in your class tests and examinations.

The Living World Assignments Class 11 Biology

Objective Type Questions

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

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

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.

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.

Question. Families are characterized on which of the following features of plant species?
(a) External morphology
(b) Anatomy of parts
(c) Vegetative and reproductive parts
(d) Seasonal similarities and variations

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

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

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

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

Statement Type Questions

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.

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.

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

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.

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

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)

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

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

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

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

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.

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)

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

Assertion/Reason Type Questions

In the following questions, a statement of Assertion is followed by a statement of Reason. 
(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

Question. Assertion : The species is reproductively isolated natural population.
Reason : Prokaryotes cannot be kept under different species on the basis of reproductive isolation.

Question. Assertion: Flora contains the actual account of habitat and distribution of plants of a given area.
Reason : Flora helps in correct identification.

Question. Assertion : Biological concept of species is based on reproductive isolation.
Reason : Most accepted species concept was given by Linnaeus.

Question. Assertion : Scientific names for plants have been standardized through ICBN.
Reason : Naming system which used three word format was given by Linnaeus.

Matching Type Questions

Question. Match the common name given in column I with their taxonomic category order given in column II and choose the correct combination from the options given below.

Column-I (Common name)	Column-II (Taxonomic category–Order)
A. Wheat	I. Primata
B. Mango	II. Diptera
C. Housefly	III. Sapindales
D. Man	IV. Poales

(a) A – I; B – II; C – IV; D – III
(b) A – IV; B – III; C – II; D – I
(c) A – II; B – IV; C – I; D – III
(d) A – III; B – IV; C – II; D – I

Question. Match column-I (Biological name) with column-II (Class) and choose the correct option.

Column-I (Biological name)	Column-II (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. 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 of the following taxonomic category of housefly is incorrectly matched?
(a) Genus – Musca
(b) Family – Muscidae
(c) Order – Primata
(d) Class – Insecta

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. Select the correct taxonomic aids given in column I with their feature given in columns II.

Column I	Column II
A. Herbarium	I. Includes those specimens which can be easily classified on their observable characters .
B. Botanical garden	II. Preserved specimens on sheets become a store house for future use.
C. Museum	III. Generally set up in educational institutes.
D. Zoological Park	IV. Includes those animals which are identified based on their aggregates of characters.
E. Key	V. All animals provided similar conditions to their natural habitat.
	VI. Includes animals of related orders .
	VII. Includes collection of living plants for reference.
	VIII. It identifies animals and plants on the bas is of their s imilarities and dissimilarities .

   A B   C  D  E
(a) I II VIII V III
(b) III I IV II V
(c) II VII III V VIII
(d) II III VII I IV

Critical Thinking Questions

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. ‘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. 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. 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. 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 is the only taxonomic categories that has a real existence?
(a) Phylum
(b) Species
(c) Genus
(d) Kingdom

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. 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. 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. 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. “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