NEETREVISIONSERIES

STRUCTURALORGANISATIONINANIMALS

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Q-1-14145047

Pseudostratified epithelium is found in

(A)rectum

(B)urinarybladder

(C)wallofoesophagus

(D)innderliningofbronchiole

CORRECTANSWER:D

SOLUTION:

Preudostratifiedepitheliumisfoundinplaceswhere

mucusissecreted.Thusinnerliningofbronchioleshas

pseudostratifiedepithelium.

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Q-2-14145110

Which of the following is incorrect fot Pheretima ?

(A)Genitialpapillaearepresenton and

segment

(B)Malegentualporesarepresenton segment

(C)Clitellumispresentonsegments24,25and26

(D)Segmentsofearthwormarecalledsomites.

CORRECTANSWER:C

SOLUTION:

17th 19th

18th

Clitellumorcingulumisaprominentcircularbandof

glandularskinfoundfromthe to segments.It

secretesmucusandalbumenwhichhelpsinthe

formationofcocoon,andisusedoffertilisationofthe

eggs.

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Q-3-15219623

which of the following is not a function of areolar connective tissue

?

(A)Storingnutrientsasfat

(B)Defendingthebodyagainstinfection

(C)Movementofbodyparts

(D)Holdingbodyfluids

14th 16th

CORRECTANSWER:A

SOLUTION:

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Q-4-23702305

When the glandular cells breakdown completely , the gland is

known as

(A)Holocrinegland

(B)Apocrinegland

(C)Merocrinegland

(D)Noneoftheabove.

CORRECTANSWER:A

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N /A

Q-5-23702341

Calcified cartilage is found in humans in

(A)Headoffemur

(B)Pectoralgirdle

(C)Ribsandsternum

(D)BothAandB.

CORRECTANSWER:A

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Q-6-23702368

Muscles get fatigued due to accumulation of

(A)Adenosinetriphosphate

(B)

(C)Lacticacid

(D)Phosphatemolecules.

CORRECTANSWER:C

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Q-7-23702417

Power of regeneration is poor in

(A)Braincell

(B)Bonecell

(C)Chondroblasts

(D)Striatedmuscles.

CORRECTANSWER:A

CO2

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Q-8-40376747

Epithelial tissues lie on the basement membrane. It is made up of

(A)Basallaminacomposedofmucopolysaccharidesand

glycoproteinssecretedbyepithelialcells

(B)Fibrouslaminacomposedofcollagenandreticular

fibersofunderlyingconnectivetissue

(C)Both(1)and(2)

(D)Cellularlayer

CORRECTANSWER:C

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Q-9-34100228

Formation of cartilage bones involves

(A)depositionofbonymatterbyosteoblastsand

resorptionbychondroclasts

(B)depositionofbonymatterbyosteoclastsand

resorptionbychondroblasts

(C)onlydepositionofbonymatterbyosteolastsonly

(D)depositionbybonymatterbyosteoblastsonly

CORRECTANSWER:D

SOLUTION:

Osteoblastsareboneformingcellswhileosteoclastsare

bone-destroyingcells.Ossificationorosteogenesisis

theprocessofboneformation.

Chondroblastsarecartilageformingcells.

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Q-10-34100222

Stratum germinativum is an example of which kind of epithelium ?

(A)Cuboidal

(B)Ciliated

(C)Columnar

(D)Squamous

CORRECTANSWER:C

SOLUTION:

Stratumgenninativum(StratumMalpighi/Stratum

cyhndricum)consistsofcolumnarcellsrestingupona

commonbasementmembrane.

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Q-11-34100235

Haversian canal occurs in

(A)humerus

(B)pubis

(C)scapula

(D)clavicle

CORRECTANSWER:A

SOLUTION:

Haversiancanal,namedafterCloptonHavers'arefine

channelsparalleltothelongaxisofmammalianbone

contamingbloodvessels,nervefibres,connectivetissue

andoccasionallylymphaticvessels.Haversiansystemis

foundinlongbonesofmammals(humerusamonggiven

options)andabsentinspongybonesofmammals.

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Q-12-23702421

Number of nuclei present in striped muscle fibre is

(A)One

(B)Many

(C)Two

(D)None.

CORRECTANSWER:B

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Q-13-15219630

Tissue which is found in abdomen, around kidneys and under skin

is called.

(A)nervetissues

(B)Cardiactissues

(C)skeletalissues

(D)adiposetissues

CORRECTANSWER:D

SOLUTION:

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Q-14-14145120

Male cockroach differs from female cockroach in having

N /A

(A)antennae

(B)labrum

(C)maxillae

(D)analstyles

CORRECTANSWER:D

SOLUTION:

Malesbearapairofshort,thread-likeanalstyleswhich

arenotpresentinfemales.

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Q-15-14145068

Consider the following statements (i) - (iii), each with one or two

blanks

(i) Bones have a hard and non-pliable ground substance rich in 1–

and which give bone its strength

(ii) Some of the columnar or cuboidal cells get speciallised for

secretion and are called epithelium

(iii) junctions help to stop substances form leaking across a tissue

Which one of the following options, gives the correct fills ups for

the respective blanks from (1) to (4) in the statements ?

(A)(3)-glandular,(4)-Tight

(B)(1)-calciumsalts,(2)-collagenfibres,(3)-compound,

(4)-Excretorty

(C)(3)-glandular,(4)-Adhering

(D)(1)-magnesiumsalts,(2)-elasticfibres,(3)-compound

CORRECTANSWER:A

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Q-16-14145112

2–

3–

4–

Which one of the following structures in Pheretima is correctly

matched with its function ?

(A)Clitellum-Secretescocoon

(B)Gizzard-Absorbsdigestedfood

(C)Setae-Providesdefenceagainstpredators

(D)Typhlosole-Storageofextranutrients

CORRECTANSWER:A

SOLUTION:

Clitellum-secretescocoonwherefertilisationand

developmenttakesplace

Gizzard-grindsthefood

Setae-helpinlocomotion

Typhlosole-increasesareaofabsorptioninintestine.

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Q-17-23702336

Volkmann's canal connects

(A)Osteocytewithmatrix

(B)Differentbones

(C)Haversiancanalwithmatrix

(D)HaversiancanalwithotherHaversiancanals.

CORRECTANSWER:D

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Q-18-23702385

Which of the following possesses nodes of Ranvier ?

(A)Medullatednervefibre

(B)Non-medullatednervefibre

(C)Musclefibre

(D)Medullatedandnon-medullatednervefibres.

CORRECTANSWER:A

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Q-19-23702442

Harversian canals are found in

(A)Muscle

(B)Nerve

(C)Cartilage

(D)Bone.

CORRECTANSWER:D

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Q-20-40376753

Ciliated columnar epithelium called ependyma is present in the

lining of

(A)Fallopiantubes

(B)Ventriclesofbrain

(C)Nasalpassage

(D)Bronchioles

CORRECTANSWER:B

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Q-21-34100234

Histamine secreting cells are found in

(A)connectivetissue

(B)lungs

(C)musculartissue

(D)nervoustissue

CORRECTANSWER:A

SOLUTION:

Histamineisavasodilator,involvedinallergicand

inflammatoryreactions.Itissecretedbymastcells,

thesearemodifiedbasophilsofbloodthatoccurin

areolartissuei.e.thelooseconnectivetissue

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Q-22-34100220

The functional unit of contractile system in a striated muscle is

(A)myofibril

(B)sarcomere

(C)Z-lines

(D)crossbridges

CORRECTANSWER:B

SOLUTION:

Skeletalmuscleisalsocalledstriatedmusclebecause

theregulararrangementofthemyofilamentscreatesas

repeatingpatternoflightanddarkbands.Each

repeatingunitisasarcomere,thebasicfunctionalunitof

muscle.

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Q-23-40376759

Which of the following epithelia covers the inner linings of trachea,

large bronchi, and helps to remove mucus?

(A)Ciliatedcolumnar

(B)Pseudo-stratifiedepithelium

(C)Compoundepithelium

(D)Cuboidalepithelium

CORRECTANSWER:B

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Q-24-34100216

Simple epithelium is a tissue in which cells are

(A)hardenedandprovidesupporttotheorgan

(B)cementeddirectlytooneanothertoformasingle

layer

(C)continouslydividingtoprovideformtoanorgan

(D)looselyconnectedtooneanothertoformanirregular

organq

CORRECTANSWER:C

SOLUTION:

Simpleepitheliumisatissueinwhichthecellsare

cementeddirectlytooneanothertoformasinglelayer.

Anepitheliumisasheetortubeoffirmlyadherentcells

withminimum(practicallynegligible)materialandspace

betweenthem.

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Q-25-34100227

Vitamin K is required for

(A)formationofthromboplastin

(B)conversionoffibrinogentofibrin

(C)conversionofprothrombintothrombin

(D)synthesisofprothrombin

CORRECTANSWER:D

SOLUTION:

Vitamin-K(phylloquinone)isrequiredforthesynthesLS

ofprothrombinnecessaryforbloodclotting.Itis

synthesisedbybacteriainthecolonVitamin-Kis

commonlycalledanti-haemorrhagicvitamin.Its

deficiencyleadstobleeding,i.e.nocoagulationor

clotting.

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Q-26-14145090

Read the following statements and select the correct option

(i) Blood cells secrete fibres of structural proteins called collagen

and elastin

(ii) Neuroglial cells protect and support the nephrons

(iii) Osteocytes are present in spaces called lacunae

(iv) Striated muscle fibres are bundled together in a parallel fashion

(v) Biceps are involuntary and striated.

(A)Statements(iii)and(iv)areincorrect

(B)Statement(ii)and(iv)areincorrect

(C)Statement(i)and(iii)areincorrect

(D)Statements(i),(ii)and(v)areincorrect.

CORRECTANSWER:D

SOLUTION:

Thestructuralproteinscollagenandelastinarepresent

inwhitecollagenfibresandyellowelasticfibres

respectively,whichareconnectivetissuefibres.

Neuroglialcellsarespecialisedcellsfoundinthebrain

andspinalcordsupportingtheneuronsandtheirfibres.

Themusclesofbicepsarevoluntaryandstriated.

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Q-27-15219632

Which of the following is not a type of tissue ?

(A)Muscle

(B)Embryonic

(C)Nervous

(D)Epithelial

CORRECTANSWER:B

SOLUTION:

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Q-28-23702327

Formulation of antibodies is the function of

(A)Monocytes

(B)Neutrophils

(C)Basophils

(D)Lymphocytes.

CORRECTANSWER:D

N /A

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Q-29-23702365

Chemical ions responsible for muscle contraction are

(A) and

(B) and

(C) and

(D) and ions.

CORRECTANSWER:D

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Q-30-23702437

Bundles of striated muscle fibres are enclosed in

Ca+ + K +

Na+ K +

Na+ Ca+

Ca+ + Mg+ +

(A)Periosteum

(B)Epimysium

(C)Perimysium

(D)Endomysium.

CORRECTANSWER:B

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Q-31-40376750

Which of the following epithelia forms the inner lining of lung

alveoli, blood vessels and peritoneum of body cavity ?

(A)Cuboidal

(B)Squamous

(C)Columnar

(D)Ciliatedcolumnar

CORRECTANSWER:B

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Q-32-34100224

Basement membrane is made up of

(A)onlyepidermalcells

(B)onlyendodermalcells

(C)Both(a)and(b)

(D)nocellatall,butisaproductofepithelialcells

CORRECTANSWER:D

SOLUTION:

Thecellsofepithelialtissuesrestuponathinlayer

composedofproteinboundmucopoly-saccharictesand

glycoproteins,bothsecretedbyP.pithelialcells(hence,

productofepithelialcell)alongwithalayerofcollagen

fibresoftheunderlyingconnectivetissue.

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Q-33-34100231

Characteristics of smooth muscle fibres are

(A)spindle-shaped,unbranched,unstriated,

uninucleateandinvoluntary

(B)spindle-shaped,unbranched,unstriped,

multinucleateandinvoluntary

(C)cylindrical,unbranched,unstriped,multinucleate

andinvoluntary

(D)cylindrical,unbrached,unstriated,multinucleate

andvoluntary

CORRECTANSWER:A

SOLUTION:

Smoothmusclefibresarespindle-shaped,thickinthe

middleandthinateitherends,uninucleated,no

sarcolemma,contractionisslow,involuntaryunderthe

controlofautonomousnervoussystemThesemuscles

arealsoknownasvisceralmuscles,non-striated,non-

skeletalorinvoluntarymuscles.

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Q-34-23702392

Apocrine secretion of gland means

(A)Whentheproductisreleasedbutthecellremains

intact

(B)Whenentirecontentsofcellisdischargedwiththe

destructionofthecell

(C)Whenpartofapicalcytoplasmislost

(D)Noneofthese.

CORRECTANSWER:C

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Q-35-14145095

Which of the following layers you will find in the body wall of

earthworm (from outside to inside) ?

(A)Non-cellularcuticle,epidermis,circularmuscles,

longitudinalmuscles,coelomicepithelium

(B)Cuticle,epidermis,longitudinalmuscles,circular

muscles,coelomicepithelium

(C)Non-cellularcuticle,epidermis,coelomicepithelium,

circularmuscles,longitudinalmuscles

(D)Cuticle,epdermis,peritonealmuscles

CORRECTANSWER:A

SOLUTION:

Externallythebodywallofearthwormiscoveredbya

thinnoncellularcuticlebelowwhichliestheepidermis,

twomusclelayers(circularandlongitudinal)and

innermostcoelomicepthelium.

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Q-36-14145117

Complete the following flowchart by selecting the correct option

(A)

(B)

(C)

(D)

CORRECTANSWER:C

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ABCDStipesHypopharynxExopoditeFirstmaxillae

ABCDStipesExopoditeHypopharynxFirstmaxillae

ABCDFirstmaxillaeHypopharynxExopoditeStipes

ABCDFirstmaxillaeExopoditeHypopharynxStipes

Q-37-14145141

In a frog, if a hole is punched in the floor of its buccal cavity, then

the frog will not die as

(A)buccalrepirationdoesnotstop

(B)pulmonaryrespirationoccurs

(C)itcanstoreoxygenforfutureuse

(D)repirationotherthanlungswillcontinue

CORRECTANSWER:B

SOLUTION:

Inadditiontobuccopharyngealrespiration,frogalso

respiresthroughlungs(pulmonaryrespiration).So,ifa

holeispunchedinthefloorofitsbuccalcavitythefrog

doesn'sdie.

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Q-38-15219637

The articular cartilage is characterized by all of the following

features except

(A)Itisdevoidofperichondrium

(B)Ithasarichbloodsupply

(C)Itisavascular

(D)Itlacksthecapacitytoregenerate

CORRECTANSWER:B

SOLUTION:

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: −

N /A

Q-39-23702398

Diapedesis means

(A)Movementofthefoodingut

(B)FormationofW.B.C.

(C)Theprocessbywhichleucocytessqueezethrough

thincapillarywall

(D)FormationofR.B.C.

CORRECTANSWER:C

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Q-40-40376751

Which of the following mammalian tissues is associated with

filtration and diffusion?

(A)Simplecolumnar

(B)Simplesquamous

(C)Stratifiedsquamous

(D)Stratifiedcolumnar

CORRECTANSWER:B

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Q-41-34100213

Which of the following cells do not form layer and remain

structurally separate ?

(A)Epithelialcells

(B)Musclecells

(C)Nervecells

(D)Glandcells

CORRECTANSWER:C

SOLUTION:

Onlynervecellsdonotformlayern,theyalsoremain

structurallyseparatefromeachother(though

communicatewitheachotherthroughsynapse).

Nervecellsorneuronsarethecellsspecialisedto

conductanelectrochemicalcurrent,nervetissueis

madeupofthesecellsandsupportingcells.

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Q-42-34100230

Component of blood responsible for producing antibodies is

(A)thrombocytes

(B)monocytes

(C)erythrocytes

(D)lymphocytes

CORRECTANSWER:D

SOLUTION:

Lymphocytes(20-25%)arethesecondmostabundant

leucocytes.Theseprotestusfrommpathogensandare

involvedintheproductionofantibodies.These

lymphocytesareoftwotypes,whichareknownasB-

lymphocytesandT-lymphocytes.

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Q-43-34100208

Extermities of long bones possess cartilage

(A)Calcifiedcartilage

(B)Hyalinecartilage

(C)Elasticcartilage

(D)Fibrouscartilage

CORRECTANSWER:B

SOLUTION:

Hyalinecartilageispresentattheendoflongarticular

bones.Itprovidesasmootharticularsurfacetopermit

movementatjoints.Elasticcartilageisfoundwhere

supportwithflexibilityisneededsuchasinexternalears.

Fibrouscartilageisaverytoughsubstanceandisused

inplacesofthebodywhereshockabsorbersareneeded

e.g.,discsbetweenthevertebraeandinthekneejoint.

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Q-44-34100218

Which of the following is not exclusively supplied with involuntary

muscles ?

(A)Muscularcoatsofbloodvessels

(B)Musclesoftheductsofglands

(C)Musclesofiris

(D)Musclesofurethra

CORRECTANSWER:B

SOLUTION:

Musclesoftheductsofglandsare.notexclusively

suppliedwithinvoluntarymuscles.Smoothmusclesare

involuntarymusclesandarefoundintheposteriorpart

ofoesophagus,stomach,urinogenitaltract,blood

vessels,irisofeyeanddermisofskin.

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Q-45-40376754

Brush-bordered cuboidal epithelium is present in

(A)Intestine

(B)Proximalconvolutedtubule

(C)Stomach

(D)Gallbladder

CORRECTANSWER:B

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Q-46-34100206

Which one of the following contains the largest quantity of

extracellular material ?

(A)Myelinatednervefibres

(B)Striatedmuscle

(C)Areolartissue

(D)Stratifiedepithelium

CORRECTANSWER:C

SOLUTION:

Looseconnectivetissue,alsocalledareolarconnective

tissue,isthe'packingmaterial'ofthebodythatanchors

bloodvessels,nervesandbodyorgans.Itcontains

fibroblaststhatsynthesisethefibresandground

substanceofconnectivetissueandwandering

macrophagesthatphagocytisepathogensordamaged

cells.Thedifferentfibretypesincludestrongcollagen

fibresandthinelasticfibresformedoftheproteinelastin.

Adipose.(fat)tissueisconsideredatypeofloose

connectivetissue

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Q-47-34100211

Nasal septum gets damaged . Its recovery requires cartilage called

(A)Hyalinecartilage

(B)Elasticcartilage

(C)Calcifiedcartilage

(D)Fibrouscartilage

CORRECTANSWER:A

SOLUTION:

Hyalinecartilageformsnasalseptum,larynx,trachea

andhyoidapparatus

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Q-48-40376756

Germinal epithelium of testis and ovary is made up of

(A)Columnarepithelium

(B)Squamousepithelium

(C)Cuboidalepithelium

(D)Stratifiedepithelium

CORRECTANSWER:C

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Q-49-34100226

Epithelial tissue with thin flat cells appearing like packed tiles

occurs on

(A)innerliningofcheek

(B)innerliningofstomach

(C)innerliningofFallopiantubes

(D)innerliningofovary

CORRECTANSWER:D

SOLUTION:

Epithelialtissuewiththinflatcellsappearinglikepacked

tilesoccursoninnerliningofovary.Itiscalledgerminal

epithelium.

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Q-50-14145099

One very special feature in the earthworm is that

(A)fertilisationofeggsoccursinsidethebody

(B)thetyphlosolegreatlyincreasestheeffective

absorptionareaofintestine

(C)theS-shapedsetaeembeddedintheintegumentare

thedefensiveweaponsusedagainsttheenemies

(D)ithasalongdorsaltubularheart

CORRECTANSWER:B

SOLUTION:

Fromthe segementupto23-25segmentinfrontof

theanusinintestineofearthworm,liesahighlyglandular

andvascularpartcalledtyhlosole.Itgreatlyincreases

theeffectiveabsorptionareafordigestedfoodinthe

intestine.

27th

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Q-51-15219639

Haversian canals are found in

(A)Avesbones

(B)Mammalianspongybone

(C)Mamaliancompactbone

(D)Allbones

CORRECTANSWER:C

SOLUTION:

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Q-52-40376758

: −

N /A

All the statements about stereociliaare correct except

(A)Theyarenon-motile

(B)Thesearefoundinepididymisandvasdeferens

(C)Ithas9+2ultrastructure

(D)Thebasalgranuleisabsent

CORRECTANSWER:C

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Q-53-34100217

Polysaccharide found in cartilage matrix is

(A)cartilagin

(B)ossein

(C)chondriotin

(D)casein

CORRECTANSWER:C

SOLUTION:

Thechiefcomponentofgroundsubstancesofcartilage

ischondromucoproteinwhichisformedofchondriotin

sulphate,keratinsulphateandhyaluronicacid.

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Q-54-14145094

Earthworms have no skeleton but during burrowing, the anterior

end becomes turgid and acts as a hydrauluc skeleton. It is due to

(A)gutperistalsis

(B)setae

(C)coelomicfluid

(D)blood

CORRECTANSWER:C

SOLUTION:

Hydraulicskeletonisthesystemofsupportfoundinsoft

bodiedinvertebrates,whichreliesonthe

incompressibilityoffluidscontainedwithinthebody

cavity.Inearthworms,thecoelomicfluidisunder

pressurewithinthecoelomandthereforeprovides

supportforinternalorgans,Duetohydraulicskeleton,

duringburrowing,theanteriorendbecomesturgidand

aidsinrelaxationoflongitudinalmuscles.

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Q-55-14145126

Select the correct statement from the ones given below with respect

to Periplaneta americana.

(A)Nervoussystemlocateddorsally,consistsof

segmentallyarrangedgangliajoinedbyapairof

longitudinalconnectives.

(B)Malesbearapairofshortthreadlikeanalstyles

(C)Thereare16verylongMalpighiantubulespresentat

thejunctionsofmidgutandhindgut

(D)Grindingoffoodiscarriedoutonlybythemouth

parts.

CORRECTANSWER:B

SOLUTION:

Inmalecockroach,fromthesidesofthe sternum,

therearisesapaired,smallunjoinedoutgrowthscalled

analstyles.Thesestructuresaresensitivetotouch.

9th

Theseareabsentinfemalecockroach.Nervoussystem

islocatedventrally.Thereare100-150Malpighian

tubules.Grindingoffoofiscarriesoutbymouthparts

andgizzard.

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Q-56-15219618

Name the issue which coverts the external surface of animal body

and internal surface of the visceral organs

(A)epithelialtissues

(B)connectivetissue

(C)musculartissue

(D)nervoustissue

CORRECTANSWER:A

: −

SOLUTION:

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Q-57-15219624

Which of the following tissues lines the majority of digestive tract ?

(A)Simplecolumnar

(B)Simplesquamous

(C)Pseudostratifiedciliatedcolumnar

(D)Stratifiedcuboidal

CORRECTANSWER:A

SOLUTION:

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N /A

N /A

Q-58-15219636

Loose connective tissue is made of which three essential

components

(A)Cellsgroundsubstanceandcarbohydratesfibers

(B)Cellgroundsubstanceandproteinfibers

(C)Collagen,groundsubstanceandproteinfibers

(D)Matix,groundsubstanceandfluid.

CORRECTANSWER:B

SOLUTION:

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Q-59-14145101

: −

N /A

Which of the following is absent in the coelomic fluid of earthworm

?

(A)Salts

(B)Haemoglobin

(C)Corpuscles

(D)Proteins

CORRECTANSWER:B

SOLUTION:

Coelomicfluidofearthwormisalkaline,colourlessfluid

containingwater,salts,someproteinsandcorpuscles.

Haemoglobinisnotpresentincoelomicfluid.Itisfound

dissolvedinbloodplasmagivingredcolourtoblood.

Bloodisconfinedtoheartandvesselsinclosed

circulatorysystem.

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Q-60-14145055

Areolar connective tissue joins

(A)bonewithbone

(B)fatbodywithmuscles

(C)integumentwithmuscles

(D)bonewithmuscles

CORRECTANSWER:C

SOLUTION:

Areolartissueispresentundertheskinassubcutaneous

tissueinbetweenandaroundmuscles,nervesand

bloodvesselsinsubmucosaofgastro-intestinaltractand

respiratorytract,inthebonemarrow,betweenthelobes

andlobulesofcompoundglandsandinmesenteriesand

omenta.

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