animals that rely on the heat from the environment ... · key is a taxononmical aid used for...
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NEETREVISIONSERIES
LIVINGWORLD
ReviseMostImportantQuestionstoCrackNEET2020
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Q-1-15781180
Animals that rely on the heat from the environment , rather than of
metabolism, to raise their body temperature are, in the strict sense,
called
(A)Ectothermic
(B)poikilothermic
(C)Homeothermic
(D)Endothermic
CORRECTANSWER:A
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Q-2-23700688
Branch of biology dealing with the study of birds is
(A)Anthropology
(B)Herpetology
(C)Ornithology
(D)Onchology
CORRECTANSWER:C
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Q-3-30702143
Human genonme project lead to the development of
(A)Bionformatics
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(B)Biotechnology
(C)Biomonitoring
(D)Biosystematics
CORRECTANSWER:A
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Q-4-24359504
Which one of the following aspects is a exlusive characteristic of
living things?
(A)Isolatedmetabolicreactionsoccurinvitro
(B)Increaseinmassfrominsideonly
(C)Perceptionofeventshappeningintheenvironment
andtheirmemory.
(D)Increaseinmassbyaccumulationofmaterialboth
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onsurfaceaswellasinternally.
CORRECTANSWER:C
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Q-5-15781260
study the four statements (A-D) given below and select the two
correct ones out of them
(A) Definition of biological soecies was given by Ernst mayr
(B) photoperiod does not affect reproduction in plants
Binomial nomenclature system was given by Ernst Whittaker
(D) In unicellular organisms, reproduction is synonymous with
growth
The two correct statments are
(A)(A)and(B)
(B)BandC
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(C)CandD
(D)AandD
CORRECTANSWER:D
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Q-6-24359453
Which taxonomical aid has collection of preserved plant and
animals specimens for study and reference?
(A)Herbarium
(B)Key
(C)Museum
(D)Botanicalgarden
CORRECTANSWER:C
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SOLUTION:
Museumhavecollectionofpreservedplantandanimals
specimensforstudyandreference.
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Q-7-15781285
Who proposed the Binomial Nomenclature system
(A)Whittaker
(B)Mendel
(C)carlLinnaeus
(D)tippo
CORRECTANSWER:C
SOLUTION:
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TheBinomialsystem,ofnomenclature,wasexplanedby
carlLinnaresinhisbook'speciesplantarum'in1753.
Accordingtothisnameofanyorganism/plantconsistof
twowords.Firstrepresentsits'genura'andsecondits
'sepecies'
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Q-8-26855525
Which of the following are correctly matched with respect to their
taxonomic classification?
(A)Housefly,butterfly,tse-tsefly,silverfish-insecta
(B)Spinyanteater,seaurchin,seacucumber-
Echinodermata
(C)Flyingfish,cuttlefish,silverfish-pisces.
(D)Centipede,millipede,spider,scorpion-Insecta.
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CORRECTANSWER:A
SOLUTION:
Housefly,butterfly,tse-tsefly,silverfish-insecta.
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Q-9-15781272
Which one of the following is a taxonomical aid for identification
of plants and animals based on similarities and dissimilarities
(A)flora
(B)Keys
(C)Monographs
(D)Catalogues
�Manuals
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CORRECTANSWER:B
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Q-10-60039070
The label of a herbarium sheet does not carry information on
(A)dateofcollection
(B)nameofcollector
(C)localnames
(D)heightoftheplant
CORRECTANSWER:D
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Q-11-60039296
Single celled eukaryotes are included in
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(A)Monera
(B)Protista
(C)Fungi
(D)Archaea
CORRECTANSWER:B
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Q-12-15781340
Consider the following statements with respect to haracteristic
features of the kingdom
of the above statements
AIn animalia the mode of nutrition is autotrophic
B In monera the nuclear membrane is present
C In protista the cell type is prokaryotic
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D In plantae the cell wall is present
(A)Aaloneiscorrect
(B)Baloneiscorrect
(C)Caloneiscorrect
(D)Daloneiscorrect
CORRECTANSWER:G
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Q-13-13465314
Which of the following statements regarding universal rules of
biological nomenclature is incorrect ?
(A)BiologicalnamesaregenerallyinLatinandwrittenin
italics.
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(B)Thefirstwordinabiologicalnamerepresentsthe
genuswhilethesecondcomponentdenotesthespecies.
(C)Boththewordsinabiologicalname,when
handwritten,areseparatelyunderlined,orprintedinitalic
toindicatetheirLatinorgin.
(D)Thespecificepithetstartswithacapitalletterwhile
thegenericepithetstartseithasmallletter.Itcanbe
illustratedwiththeexampleofmangiferaIndica.
CORRECTANSWER:D
SOLUTION:
Thegenericstartswithacapitalletterwhilethespecific
epitherstartswithasmallletter.Itcanbeillustratedwith
theexampleofPantheratigris.
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Q-14-13465395
Match colum I with colum II and select the correct option from the
codes given below.
(A)A-(i),B-(ii),C-(iii),D-(iv)
(B)A-(iii),B-(iv),C-(ii),D-(i)
(C)A-(iii),B-(iv),C-(i),D-(ii)
(D)A-(i),B-(ii),C-(iv),D-(iii)
CORRECTANSWER:B
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Q-15-15781287
ColumnI ColumnIIA. Botanicalgarden (i) Preservedplantspecimens
B. Zoologicalpark (ii) Preservedplantandanimalspecimens
C. Museum (iii) Livingplants
D. Herbarium (iv) Livingwildanimals
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binomial nomenclature system of Linnaeus means that every
organism has
(A)onenamegivenbytwoscientsts
(B)TwonamesoneLatinandotherofaaperson
(C)twonamesonescientificandotherpopular
(D)Onescientificnamewithgenericandotherwith
specificepithet
CORRECTANSWER:D
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Q-16-13465296
Which of the following organisms does not reproduce ?
(A)Mule
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(B)Workerbee
(C)Infertilehumanfemale
(D)Allofthese
CORRECTANSWER:D
SOLUTION:
Amuleisahybridofmaledonkeyandfemalehorse.Itis
sexuallysterile(i.e.,unabletoreproduce)andhastobe
producedeverytimeanew.Honeybeesarecolonial,
socialpolymorphicinsects.Threetypesofindividuals
(cates)arefoundinthecolonyofhoneybees:(i)Queen
whichisfertilefemale.(ii)Droneswhicharemales.(iii)
Woekersaresterilefemalesandperformvariousduties
ofthecolony.Aninfertilehumanfemaleisunableto
producechildreninspiteofunprotectedfemaleisunable
toproducechildreninspiteofunprotectedsexual
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activities.
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Q-17-13465309
Linnaean system of classification was based on
(A)morphology
(B)ecology
(C)embryology
(D)cytology.
CORRECTANSWER:A
SOLUTION:
Linnaeusputforwardanartificialsystemofclassification
whichwasmainlybaseduponmorphologicalcharacters
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ofplants.
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Q-18-13465329
An English naturalist, who wrote the book 'Historia Generalis
Plantarum' and introduced the word 'species' was
(A)Theophrastus
(B)johnRay
(C)Cuvier
(D)Lamarck.
CORRECTANSWER:B
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Q-19-13465300
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A living organism is unexceptionally differentiated from a non-
living structure on the basis of
(A)reproduction
(B)growthandmovement
(C)interactionwithenvironment
(D)responsiveness.
CORRECTANSWER:D
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Q-20-13465399
Key' is a taxonomical aid used for the identification of organisms.
Each statement in key is called a _________.
(A)couplet
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(B)lead
(C)both(a)and(b)
(D)noneofthese
CORRECTANSWER:B
SOLUTION:
Keyisataxononmicalaidusedforidentificationofplants
andanimalsbasedonthesimilaritiesanddissimilarities.
Thekeysarebasedoncontrastingcharactersgenerally
inapaircalledcoulpet.Itrepresentsthechoicemade
betweentwoopposite.options,whichresultsin
acceptanceofonlyoneandrejectionoftheother.Each
statementinthekeyiscalledalead.
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Q-21-40314990
![Page 20: Animals that rely on the heat from the environment ... · Key is a taxononmical aid used for identification of plants and animals based on the similarities and dissimilarities. The](https://reader033.vdocuments.site/reader033/viewer/2022050202/5f55c629db58c04c8e4c81b4/html5/thumbnails/20.jpg)
Father of lndian systemalic botany
(A)R.mishra
(B)WilliamRoxburgh
(C)Theophrastus
(D)Linnaeus
CORRECTANSWER:B
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Q-22-24359599
In hierarchical arrangement, the category which have greatest
diversity
(A)Kingdom
(B)Phylum
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(C)Order
(D)Species
CORRECTANSWER:A
SOLUTION:
Inhierarchicalarrangement,thecategorywhichhave
greatestdiversityiskingdom.
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Q-23-34596936
Biological organisation starts with
(A)sub-microscopicmolecularlevel
(B)cellularlevel
(C)organismiclevel
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(D)atomiclevel
CORRECTANSWER:A
SOLUTION:
(a)Biologicalorganisationstartswithsub-microscopic
molecularlevel,wherefourtypesofmolecules,i.e.
Carbohydrates,lipids,proteinsandnucleisacidsare
organisedintoorganisedintoorganellesofcell.
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Q-24-34596952
First life form on earth was a
(A)cyanobacteria
(B)chemoheterotrophs
(C)autotrophs
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(D)photoautotrophs
CORRECTANSWER:B
SOLUTION:
(b)Firstlivingbeingswereformedintheenvironmentof
seahavingabundantorganicmolecules.Theyabsorbed
theorganicmaterialsforthesakeofnutritionandhence,
werechemoheterotrophs.
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Q-25-34596929
Nomenclature is governed by certain universal rules. Which one of
the following is contrary to the rules of nomenclature
(A)Thefirstwordinabiologicalnamerepresentsthe
genusnameandthesecondisspecificepithet
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(B)ThenamesarewritteninLatinandareItalicised
(C)Whenwrittenbyhand,thenamesaretobe
underlined
(D)Biologicalnamescanbewritteninanylanguage
CORRECTANSWER:D
SOLUTION:
(d)Biologicalnamesoriginatefrionlatinlanguageand
areprintedinitalics.
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Q-26-34596940
Which of the following is an example of negative feedback loop in
humans
(A)Constrictionofskinbloodvesselsandcontractionof
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skeletalmuscleswhenitistoocold
(B)Secretionoftearsafterfallingofsandparticlesinto
theeye
(C)Salivationofmouthatthesightofdeliciousfood
(D)Secretionofsweatglandsandconstrictionofskin
bloodvesselswhenitistoohot
CORRECTANSWER:A
SOLUTION:
(a)Skinbloodvesselsconstrictandskeletalmuscles
contractduetothecoldisanexampleofnegative
feedbackmechanismofhomeostasis.
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Q-27-15781314
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The Non- nucleated unicellular organisms of whittaker's (1969)
Classification are included in the kingdom
(A)protista
(B)Monera
(C)Animalia
(D)Planate
CORRECTANSWER:B
SOLUTION:
moneracontainsthemostprimitivelivingformswhich
arebasicallyunicellularprokaryotes.
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Q-28-34596947
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There is not life on moon because there is no
(A)
(B)water
(C)light
(D)temperature
CORRECTANSWER:B
SOLUTION:
(b)Waterisanessentialconstituentofcytoplasmofall
livingorganisms.Ithelpsindistributionofsybstances
withintheorganism,eliminatioofwasteproducts,
maintenanceofbodytemperature,etc.Itisabsenton
themoon.Anaerobicorganismsthatcanliveinthe
absenceof .Lightandtemperaturearealready
knowntoexistonthemoon.
O2
O2
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Q-29-24359563
Biological name of wheat is
(A)Triticumaestivum
(B)TriticumTriticale
(C)Triticumsativum
(D)Oryzasativa
CORRECTANSWER:A
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Q-30-34596962
Improvement of human race through improvement of human
environment is
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(A)Euthenics
(B)Eugenics
(C)Euphenics
(D)Ethnology
CORRECTANSWER:B
SOLUTION:
(b)Eugenicsreferstoimprovementofhumanraceby
modifyingfertilityoremployingthehereditaryprinciples.
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Q-31-34596954
Relative Biological Effectiveness (RBE) usually refers to damage
caused by
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(A)lowtemperature
(B)hightemperature
(C)encephalitis
(D)radiation
CORRECTANSWER:D
SOLUTION:
(d)RBE(RelativeBiologicalEffectiveness)isa
comparisonofthedoseoftheradiationbeingstudied
withthedoseofstandardradiationproducingthesame
effect.
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Q-32-34596942
Crabohydrates, the most abundant biomlecles on earth, are
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produced by
(A)allbacteria,fungiandalgae
(B)fungi,algaendgreenplantcells
(C)somebacteria,algaeandgreenplantcells
(D)viruses,fungiandbacteria
CORRECTANSWER:C
SOLUTION:
(c)Somephotosyntheticbacteriasuchas
Rhodopseudomonascanpreparecarbohydrates.But
duringthestypeoffoodsynthesis isnotevolved
because,inthiscasehydrogendonorisotherthan
.Algae(greenandblue-green)andallgreenplant
cellspreparetheirfood(carbohydrate)through
photosynthesis.Here,hydrogenionsaredonatedby
O2
H2O
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watermoleculesbytheprocessofphotolysisofwater,
i.e. isreleasedduringthestypeoffoodsynthesis.
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Q-33-13465375
Which of the following represents the correct sequence of various
taxonomic categories ?
(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-Specis
CORRECTANSWER:C
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O2
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Q-34-24359535
National Boltanical Research Institute (NBRI) is located at:
(A)Lucknow
(B)England,(Kew)
(C)Kolkata
(D)Howrah
CORRECTANSWER:A
SOLUTION:
NationalbotanicalresearchinstitutesituatedinLucknow.
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Q-35-13465304
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________ is the branch of science dealing with identification,
nomenclature and classification of organisms.
(A)Morphology
(B)Anatomy
(C)Ecology
(D)Taxonamy
CORRECTANSWER:D
SOLUTION:
Taxonomy(taxis-arrangement,nomos-law)isdefinedas
thesciencedealingwithidentification,nomenclatureand
classificationoforganisms.Thetermtaxonomywas
givinbybeCandolle(1813).
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Q-36-15781339
Which one of the following organisms is scientifically correctly
named. Corretly printed according to the Intermational Rules, of
Nomenclature, and correctly described
(A)Muscadomestica-thecommonhouselizard,a
reptitle
(B)Plasmodiumfalciparum-Aprotozoanpathogen
causingthemostserioustypeofmalaria
(C)Felistigirs-TheIndiantiger,wellprotectedinGir
forests
(D)E.colifullnameEntamoebacoli,acommonly
occurringbacteriuminhumanintestine.
CORRECTANSWER:B
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SOLUTION:
plasmodiumfalcioarum-Aprotozoanpathogencauses
themostserioustypeofmalariathatisfalciparum
malaria.
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Q-37-13465392
Arboretum is a part of botanical gardens where
(A)bonsaiaremade
(B)beautificationisdone
(C)plamsaregrown
(D)bigtreesarecultivatedintheformofforests.
CORRECTANSWER:D
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SOLUTION:
Abotanicalgardenexclusilygrowingtreesandshurbsis
calledasarboretum.
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Q-38-24359523
Which of the following is correctly matched with no exception in
regard to plant classification
(A)Family-Poacae-ae
(B)Division-Pteridophyta-phyta
(C)Class-Bryopsida-sida
(D)Genus-Solanum-um
CORRECTANSWER:A
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SOLUTION:
Infamilysuffixis-aceae.
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Q-39-24359562
which of the following Is less general in characters as compared to
genus
(A)species
(B)Division
(C)Class
(D)Family
CORRECTANSWER:A
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Q-40-13465324
Who wrote "Species Plantarum" and provided a basis for the
classification of plants ?
(A)CarolusLinnaeus
(B)CharlesDarwin
(C)RobertHooke
(D)Leeuwenhoek
CORRECTANSWER:A
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Q-41-24359525
The biologist who has been called the ''Darwin of the cantury'',
was
20th
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(A)Lamarck
(B)Linnaeus
(C)E.Mayr
(D)Whittaker
CORRECTANSWER:C
SOLUTION:
E.MayrscalledDarwinof20thcentury.
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Q-42-24359595
Species living in same or overlapping geographical areas are called.
(A)Sympatricspecies
(B)Allopatricspecies
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(C)Siblingspecies
(D)Polytypicspecies.
CORRECTANSWER:A
SOLUTION:
Specieslivinginsameoroverlappinggeogrpahical
areasarecalledsympatricspecies.
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Q-43-34596956
Pedology is science of
(A)earth
(B)soil
(C)diseases
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(D)pollution
CORRECTANSWER:B
SOLUTION:
(b)Pedologyisthestudyofsoilandsoilproperties.
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Q-44-24359601
Scientific names of animals are based on principles and criteria
agreed by
(A)IUCN
(B)ICZN
(C)ICBN
(D)ICVN
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CORRECTANSWER:B
SOLUTION:
Animaltaxonomistshaveevolvedinternationalcodeof
zoologicalnomenclature(ICZN).
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Q-45-34596958
Homeostasis is
(A)tendencytochangewithchangeinenvironment
(B)tendencytoresistchange
(C)disturbanceinregulatorycontrol
(D)plantsandanimalsextractsusedinhomeopathy
CORRECTANSWER:B
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SOLUTION:
(b)Homeostasis(Gr.Homeos=similar,stasis=
standing)isthetendencyofmaintainingarelatively
stableinternalphysiologicalenvironmentinanorganism,
orsteady-stateequilibriuminapopulationor
ecosysterm.Itiscarriedoutbyregulatorymechanisms
whichcoordinateinternalfunctionssuchasproviding
nutrientstocellsandtransportingsubstances.
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