WorksheetsThe living world
Total questions: 100
Worksheet time: 50mins
Which two of the below given points are known as the twin characteristics of growth?
i) Increase in mass
ii) Increase in number of individuals
iii) Cellular organisation
iv) Cellular differentiation
(i) and (ii)
(i) and (iii)
(ii) and (iii)
(iii) and (iv)
In plants, growth occurs_____________whereas in animals, it occurs _____________
only up to a certain age, continuously
continuously, only up to a certain age
continuously , continuously
) only up to a certain age, only up to a certain age
The statement ‘nothing lives forever, yet life continues’ illustrates the role of
embryogenesis
morphogenesis
replication
reproduction.
Which of the following group consists of organisms which multiply by fragmentation ?
Earthworm, Amoeba , fungi
Earthworm, fungi , bacteria
Fungi, filamentous algae, protonema of mosses
Amoeba, Hydra, bacteria
Which of the following organisms does not reproduce?
Mules
Worker bee
Worker human female
All of these
Read the following statements and select the correct option
Statement 1: Reproduction cannot be considered as defining property of living organisms.
Statement 2: There are many living organisms which do not reproduce,e.g., mules, worker bees, etc.
Both statements 1 and 2 are correct
Statement 1 is correct but statement 2 is incorrect.
Statement 1 is incorrect but statement 2 is correct
Both statements 1 and 2 are incorrect.
Which of the following statements regarding the response of living organisms to external stimuli is correct?
The external environmental stimuli can be physical, chemical or biological.
All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental stimuli.
Conscious and response to external stimuli is the defining property of living organisms.
All of these.
Read the following statements and select the correct ones.
i) Increase in mass and increase in number of individuals are twin characteristics of growth.
ii) Metabolic reactions can be demonstrated outside the body in isolated cell-free systems.
iii) ‘Response to stimuli’ is a defining property of living organisms.
(i) and (ii)
(ii) and (iii)
(i) and (iii)
(i), (ii) and (iii)
A living organism is unexceptionally differentiated from a non-living structure on the basis of
Reproduction
Growth and movement
Interaction with environment
Responsiveness
Which of the following sets does not contain defining characteristics of living organisms?
Growth and reproduction
Metabolism and cellular level of organization
Response to stimuli and consciousness
All of these
Which of the following is the correct representation of organization levels in living beings?
Sub cellular 🡪 cellular 🡪 individual 🡪 community 🡪 Population.
Atomic 🡪 Molecular 🡪 Sub cellular 🡪 cellular 🡪 Tissue 🡪 Organ system 🡪 Individual.
Individual 🡪 Population 🡪 Organ system 🡪 Tissue 🡪 Cellular 🡪 Molecular 🡪 Atomic.
Atomic 🡪 Molecular 🡪 Tissue 🡪 Individual 🡪 Ecosystem 🡪 Community.
___________ is the branch of science dealing with identification, nomenclature and classification of organisms.
Morphology
Anatomy
Ecology
Taxonomy
First step in taxonomy is
Description of the organism
Identification of the organism
Nomenclature of the organism
Classification of the organism
ICBN is
International Code of Biological Naming.
International Code for Botanical Nomenclature.
International Class of Biological Nomenclature.
International Classification of Biological Nomenclature.
Founder of binomial nomenclature was
Linnaeus
Mendel
Darwin
Lamarck
Which of the following holds true for scientific nomenclature?
Naming of living organisms in English language.
Naming of particular organism by the same name all over the world.
Naming of living organism in such a manner that it may cause less confusion.
Naming of living organisms in such a manner that it becomes easy to pronounce.
Most names in biological nomenclature of living organisms are taken from which language?
Hindi
Latin
German
French
Plants were given Latin names because it is a
Simple language
common language
dead language
none of these
In the binomial system of taxonomy developed during the 18th century by C. Linnaeus, the second word of an organism’s biological name represents.
Species
Genus
Race
Family
Which of the following statements regarding the universal rules of biological nomenclature is incorrect?
Biological names are generally in Latin and Written in italics.
The first word in a biological name represents the genus while the second component denotes the species.
Both the words in a biological name, when handwritten, are separately underlined, or printed in italics to indicate their Latin origin.
The specific epithet starts with a capital letter while the generic epithet starts with a small letter. It can be illustrated with the example of mangifera indica.
Select the correctly written botanical/Zoological name.
Homo sapiens
Panthera tigris
Pisum sativum
Mangifera indica
Select the correct option for biological names.
They are binomial
They are descriptive
They are universal
All of these
The scientific name of banyan is written as Ficus benghalensis L. Which of the following statements is correct regarding this?
Letter L. Signifies Latin language.
The name should be written reverse with benghalensis preceding Ficus.
Letter L. Signifies the taxonomist Linnaeus.
Benghalensis is a generic name.
The third name in trinomial nomenclature is
Species
Subgenus
Subspecies
Ecotype
Which of the following are the basic processes of taxonomy?
Identification and nomenclature
Characterization and classification
Both (a) and (b)
None of these
The main objective of plant taxonomy is
to study the world’s flora
to provide a method for identification and nomenclature
to provide Latin ‘scientific’ names for every group of plants in the world
all of these.
The main purpose for the classification of organisms is to
study geography
locate plants and animals
establish relationships among est organisms
) study evolution.
Who wrote “ Species Plantarum” and provided a basis for the classification of plants?
Carolus Linnaeus
Charles Darwin
Robert Hooke
Leeuwenhoek
Carolus Linnaeus belonged to
France.
Germany.
Sweden.
Holland.
Which one of the following books was contributed by Linnaeus?
Systema Naturae
Historia plantarum
Historia Naturalis
All of these
The internationally recognized binomial nomenclature was develophia by Linnaeus in his book
Philosophia Botanica
Historia Plantarum
Species Plantarum
none of these
Linnaeus described 5900 species of plants in his book ________(1753) and 4326 species of animals in his book _______(1758).
Philosophia Botanica, Genera Plantarum
Historia Naturalis, Species Plantarum
Systema Naturae, Species Plantarum
Species plantarum, Systema Naturae
An English naturalist, who wrote the book ‘Historia Generalis Plantarum’ and introduced the word ‘species’ was
Theophrastus.
John Ray.
Cuvier.
Lamarck.
Which of the following statements is incorrect regarding the modern taxonomy?
It deals with biological species .
It is based on the study of all types of variations in the species.
Species is considered to be static .
It has a bio systematic concept.
A taxonomic category refers to
the basic unit of classification
a rank or level in a taxonomic hierarchy
a group of related organisms able to
a group of related organisms but unable to interbreed freely.
The ascending or descending arrangement of taxonomic categories is called as
Classification
taxonomy
hierarchy
key
The term ‘taxon’is used for
the ranks of species and genus
the ranks up to phylum
the species epithet only
any rank of taxonomic hierarchy
Which term can be used for any taxonomic rank?
Class
Taxon
Family
Cohort
Basic unit or smallest taxon of classification is
species
kingdom
family
variety
The basic unit upon which the systems of classification are based is
species
genus
order
family
Which of the following statements is not correct?
Biodiversity is the occurrence of variety of life forms differing in morphology, anatomy, habitats and habits.
systematic is the branch of biology that deals with cataloging plants, animals and other organisms into categories that can be named, remembered, compared and studied.
Classification is the branch of biology that deals with principles and procedures of identification and nomenclature of organisms.
None of these.
Amongst all the kingdoms, the only taxon that exists in nature as a biologically cohesive unit is the
Species
genus
phylum or division
kingdom
A true species consists of a population which is
sharing the same niche
interbreeding
feeding over the same food
geographically isolated
In biological terminology, a group of similar organisms which are capable of interbreeding and producing fertile off springs is called
Species
genus
tribe
family.
Mangifera is a
variety
genus
species
class
Genus is a group of similar and related
classes
phyla
species
orders
A collection of species which bear a close resemblance to one another in the morphological characters of the floral parts is known as
family
variety
genus
division
Select the incorrect statement with respect to the category, ‘genus’.
It is group or assemblage of related species
A genus essentially possesses more than one number of species.
Lion , tiger, leopard, jaguar are closely related species which have been placed in the genus panthera and are respectively named as panthera leo, p. tigris, p. pardus and p. onca.
Solanum, Penicillium, Withania and Canis are the examples of genera.
In taxonomic hierarchy , cats are placed under the genus
Felis
Panthera
Canis
none of these
In the zoological name of fish Catla catla, the specific name is identical with the generic name, thus it is an example of
antoym
tautonym
synonym
homonym
Which is the odd one in the following series?
sapiens
Americana
rotundus
hemidactylus
The taxonomic category below the level of family is
class
kingdom
phylum
genus
In a taxonomic hierarchy, genus is interpolated between
Kingdom and class
phylum and order
order and species
family and species
Related genera belong to the same
species
variety
family
breed
The suffix –‘oideae’ is used for
tribe
family
class
subfamily
In a taxonomic hierarchy, family is interpolated between
kingdom and class
class and order
order and genus
class and genus
Which of the following taxonomic categories includes all the others?
Family
Order
Genus
Species
The name of a plant order ends with
–aceae
– ales
–idae
–ae
In which order, will you place gorilla?
Carnivora
Diptera
Sapindales
Primata
Which of the following taxonomic categories includes one or more related orders?
Species
Genus
Family
class
Two organisms are present in the same class but not in the same family.They may belong to same
genus
species
variety
order
Which of the following categories possesses maximum number of related characters?
Order
Phylum
Class
Species
‘Aves’ taxonomically represent a
family
order
class
phylum
Which one of the following statements is incorrect?
indica, tuberosum and leo represent the specific epithets.
Physalia, Apis and Helianthus represent the generic epithets.
Monocotyledonae and Dicotyledonae are the two classes of division Angiospermae.
Phylum Chordata is the largest phylum of kingdom Animalia.
Two animals belong to the same kingdom but different classes. They may belong to the same
phylum
order
division
species
Two animals belong to the same kingdom but different classes. They may belong to the same
Phylum-Chordata ; Class-Vertebrata; Order -Chiroptera; Family- Felidae; Genus- Canis; Species- tigris.
Phylum-Chordata ; Class- Mammalia; Order -Carnivora; Family - Felidae; Genus- Panthera; Species- tigris.
Phylum-Vertebrate; Class-Mammalia; Order - Carnivora; Family - Felidae; Genus- Panthera; Species- tigris.
Phylum-Mammalia; Class-Felidae; Order -Carnivora; Family- Feliaceae; Genus- Panthera; Species- leo.
Which of the following figures represents the correct method of pressing plants to form herbarium sheets?
Figure A as the plant parts are folded.
Figure B as every plant part is unfolded.
Both figures A and B as folding or unfolding do not matter.
None of these.
A couplet in a key is
Each statement in the key
Contrasting characters in a pair
Rejection of a statement
None of these
Study the following statements and select the correct ones.
i) Herbarium is a store house of collected plant specimens that are dried, pressed and preserved on sheets.
ii) Flora provides the index to the plant species found in a particular area.
iii) Monographs contain information about particular taxon.
(i) and (ii) only
(ii) and (iii) only
(i) and (iii) only
(i), (ii) and (iii)
Floral features are commonly used for identification of angiosperms because
Reproductive parts are more conservative
Flowers can be safely preserved
Flowers are nice to work with
Flowers have various colours and scents
As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics
will decrease
will increase
remain same
may increase or decrease
The term ‘Systematics’ refers to
Identification and study of organ systems.
Identification and preservation of plants and animals.
Diversity of kinds of organisms and their relationship.
Study of habitats of organisms and their classification.
The taxonomic unit ‘Phylum’ in the classification of animals is equivalent to which hierarchial level in classification of plants?
Class
Order
Division
Family
Botanical gardens and Zoological parks have
Collection of endemic living species only.
Collection of exotic living species only.
Collection of endemic and exotic living species.
Collection of only local plants and animals.
Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of
Monographs
Flora
Both (a) and (b)
none of these
All living organisms are linked to one another because
They have common genetic material of the same type.
They share common genetic material but to varying degrees.
All have common cellular organization
All of the above
Which of the following is a defining characteristic of living organisms?
Growth
Ability to make sound
Reproduction
Response to external stimuli
Read the following statements.
P : The taxonomic hierarchy for Brassica campestris can be written as
Plantae → Phanerogamae → Angiospermae → Dicotyledonae → Perietales →
Brassicaceae → Brassic → Campestris.
Q : Tautonym is the taxonomic designation used for certain plants having trinomial nomenclature.
R : Families Felidae and Canidae are included under the Order carnivora.
S : Bryophyta is a category while division is a taxon.
Which of the following combinations of above statements is correct?
P and Q
P and R
R and S
P,R and S
Read the following statements with one or two blanks in each one of them.
i) A genus containing more than one species is called _______ genus, e.g., _________
ii) ________ is a collection of dried, pressed and preserved plants mounted on ___________ sheets, properly labelled, systematically arranged and available for reference study.
iii) Living fossils are ancient organisms persisting in modern times ___________ gradual morphological changes.
iv) A ____________ is comprehensive treatise of a taxonomic group, generally a genus or a family, providing all taxonomic data related to that group.
Which of the following correctly fills any two of the above statements?
(i) monotypic, Homo; (ii) Herbarium, paper
(ii) manual, paper; (iii) with
(iii) without; (iv) Monograph
(i) polytypic, Solanum; (iv) Monograph
Which of the following statements is incorrect?
Term ‘Nothospecies’ refers to the naturally occurring interspecific hybrids.
As the species do not change with time, therefore they are considered as static groups.
Metabolism and response to external stimuli are considered as the defining properties of living organisms.
Hibiscus rosa - sinensis belongs to the same family to which Althaea rosea and Gossypium hirsutum belong to.
Tanvi bought ten food items the supermarket, which are wheat, bananas, mushrooms, onions, Porphyra (Laver), Kelps, pine seeds, Sphagnum moss, lady’s fingers and potatoes. Based on hierarchical classification, how many different phyla/divisions do these items belong to?
3
4
5
6
Read the following statements given below and select the correct option.
i) Insects represent a group of organisms sharing common features like three pairs of jointed legs.
ii) Taxonomic studies consider a group of individual organisms with fundamental similarities as a kingdom.
iii) A multi cellular organisms grows by cell division.
iv) Museum is a storehouse of collected plant specimens that are dried, pressed and preserved on sheets.
(i) and (ii) are incorrect.
(ii) and (iii) are incorrect.
(ii) and (iv) are incorrect.
(iii) and (iv) are incorrect.
In wheat and makoi maximum similarity occurs at the level of
Family
class
division
order
Arrange the following in the ascending order of Linnaean hierarchy.
Kingdom – Order – Species – Genus – Class – Family – Phylum
Kingdom – Family – Genus – Species – Class – Phylum – Order
Kingdom – Phylum – Class – Order – Family – Genus – Species
Species – Genus – Family – Order – Class – Phylum – Kingdom
Select the incorrect statements.
A) Lower the taxon, more are the characteristics that the members within the taxon share.
B) Order is the assemblage of genera which exhibit a few similar characters.
C) Cat and dog are included in the same Family Felidae.
D) Binomial nomenclature was introduced by carolus Linnaeus.
A, B and C
B, C and D
A and D
B and C
Which of the following is not in a correct hierarchical order?
Class, family, genus
Phylum, order, family
Class, order, family
Family, class, order
The heierarchical arrangement of taxonomic categories in descending order is
Kingdom, phylum, class, order, family, genus, species.
Kingdom, division, phylum, order, family, genus, species.
Kingdom, class, phylum, order, family, genus.
Division, kingdom, class, phylum, order, family, genus, species.
Which of the following is correctly matched without exception in regard to plant classification?
Family – Poaceae – ae
Division – Pteridophyta – phyta
Class – Bryopsida - sida
Genus – Solanum – um
Select the correct statement.
Biological names are generally in Greek and written in italics.
Family comprises a group of related species which has more characters in common.
Triticum aestivum comes under the order sapindales.
An order includes related classes.
Families like Convolvulaceae, Solanaceae are included in the order Polymoniales mainly based on the floral characters.
Study the four statements (A-D) given below and select the two correct ones out of them.
A) Definition of biological species was given by Ernst Mayr.
B) Photoperiod does not affect reproduction in plants.
C) Binomial nomenclature system was given by R.H. Whittaker.
D) In unicellular organisms, reproduction is synonymous with growth.
The two correct statements are
B and C
C and D
A and D
A and B
In the system of classification, which one of the following is not a category?
Kingdom
Series
Angiospermae
Genus
Which of the following statements regarding universal rules of nomenclature is worng?
The first word in a biological name represents the genus.
The first word denoting the genus starts with a capital letter.
Both the words in a biological name, when handwritten, are separately underlined.
Biological names are generally in Greek and written in italics.
The second component in a biological name, donotes the specific epithet.
Binomial nomenclature means
one name given by two taxonomists.
two names, the latinised, other of a person
two names, one scientific , other local
two –word names, the first indicates genus, and other species.
Assertion : Consciousness is considered as the defining property of living organisms.
Reason : All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental stimuli.
Both assertion and reason are true reason is the correct explanation of assertion.
Both assertion and reason are true and reason is not the correct explanation of assertion.
Assertion is true but reason is false
Both assertion reason are false.
Which of the following is the correct scientific name of wheat derived by binomial nomenclature?
Triticum Vulgare
Triticum aestivum
Oryza sativa
Zea mays
Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature?
The names are written in Latin and are italicised.
When written by hand the names are to be underlined.
Biological names can be written in any language.
The first word in a biological name represents the genus name and second is a specific epithet.
Which of the following is against the rules of ICBN?
Hand written scientific names should be underlined.
Every species should have a generic name and a specific epithet.
Scientific names are in Latin and should be italicized.
Generic and specific names should be written starting with small letters.
. Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus.
Mangifera indica
Mangifera indica Car. Linn
Mangifera indica Linn.
Mangifera indica
Which taxonomic aid gives comprehensive account of complete compiled information of a genus or family at a particular time?
Taxonomic Key
Herbarium
Monograph
All of these
Read the following statements regarding biological museums.
i) Biological museums are generally set up in educational institutes such as schools and colleges.
ii) Museums have collections of preserved plant and animal specimens for study and reference.
iii) Specimens are preserved in the containers or jars in preservative solutions.
iv) Insects are preserved in insects boxes after collecting, killing and pinning.
v) Large animals like birds and mammals are usually stuffed and preserved.
vi) Skeletons of mammals are not allowed to be kept in museums.
Which of the above statements is/are not correct?
(i) and (vi)
(ii) and (iii)
(v) only
(vi) only
