Page 1
NEETREVISIONSERIES
STRUCTURALORGANISATIONINANIMALS
ReviseMostImportantQuestionstoCrackNEET2020
DownloadDoubtnutNow
Q-1-14145047
Pseudostratified epithelium is found in
(A)rectum
(B)urinarybladder
(C)wallofoesophagus
(D)innderliningofbronchiole
CORRECTANSWER:D
SOLUTION:
Preudostratifiedepitheliumisfoundinplaceswhere
mucusissecreted.Thusinnerliningofbronchioleshas
Page 2
pseudostratifiedepithelium.
WatchVideoSolutionOnDoubtnutApp
Q-2-14145110
Which of the following is incorrect fot Pheretima ?
Page 3
(A)Genitialpapillaearepresenton and
segment
(B)Malegentualporesarepresenton segment
(C)Clitellumispresentonsegments24,25and26
(D)Segmentsofearthwormarecalledsomites.
CORRECTANSWER:C
SOLUTION:
17th 19th
18th
Page 4
Clitellumorcingulumisaprominentcircularbandof
glandularskinfoundfromthe to segments.It
secretesmucusandalbumenwhichhelpsinthe
formationofcocoon,andisusedoffertilisationofthe
eggs.
WatchVideoSolutionOnDoubtnutApp
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
Page 5
CORRECTANSWER:A
SOLUTION:
WatchVideoSolutionOnDoubtnutApp
Q-4-23702305
When the glandular cells breakdown completely , the gland is
known as
(A)Holocrinegland
(B)Apocrinegland
(C)Merocrinegland
(D)Noneoftheabove.
CORRECTANSWER:A
WatchVideoSolutionOnDoubtnutApp
N /A
Page 6
Q-5-23702341
Calcified cartilage is found in humans in
(A)Headoffemur
(B)Pectoralgirdle
(C)Ribsandsternum
(D)BothAandB.
CORRECTANSWER:A
WatchVideoSolutionOnDoubtnutApp
Q-6-23702368
Muscles get fatigued due to accumulation of
(A)Adenosinetriphosphate
Page 7
(B)
(C)Lacticacid
(D)Phosphatemolecules.
CORRECTANSWER:C
WatchVideoSolutionOnDoubtnutApp
Q-7-23702417
Power of regeneration is poor in
(A)Braincell
(B)Bonecell
(C)Chondroblasts
(D)Striatedmuscles.
CORRECTANSWER:A
CO2
Page 8
WatchVideoSolutionOnDoubtnutApp
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
WatchVideoSolutionOnDoubtnutApp
Q-9-34100228
Page 9
Formation of cartilage bones involves
(A)depositionofbonymatterbyosteoblastsand
resorptionbychondroclasts
(B)depositionofbonymatterbyosteoclastsand
resorptionbychondroblasts
(C)onlydepositionofbonymatterbyosteolastsonly
(D)depositionbybonymatterbyosteoblastsonly
CORRECTANSWER:D
SOLUTION:
Osteoblastsareboneformingcellswhileosteoclastsare
bone-destroyingcells.Ossificationorosteogenesisis
theprocessofboneformation.
Chondroblastsarecartilageformingcells.
Page 10
WatchVideoSolutionOnDoubtnutApp
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.
Page 11
WatchVideoSolutionOnDoubtnutApp
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
Page 12
foundinlongbonesofmammals(humerusamonggiven
options)andabsentinspongybonesofmammals.
WatchVideoSolutionOnDoubtnutApp
Q-12-23702421
Number of nuclei present in striped muscle fibre is
(A)One
(B)Many
(C)Two
(D)None.
CORRECTANSWER:B
WatchVideoSolutionOnDoubtnutApp
Q-13-15219630
Page 13
Tissue which is found in abdomen, around kidneys and under skin
is called.
(A)nervetissues
(B)Cardiactissues
(C)skeletalissues
(D)adiposetissues
CORRECTANSWER:D
SOLUTION:
WatchVideoSolutionOnDoubtnutApp
Q-14-14145120
Male cockroach differs from female cockroach in having
N /A
Page 14
(A)antennae
(B)labrum
(C)maxillae
(D)analstyles
CORRECTANSWER:D
SOLUTION:
Malesbearapairofshort,thread-likeanalstyleswhich
arenotpresentinfemales.
WatchVideoSolutionOnDoubtnutApp
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–
Page 15
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
WatchVideoSolutionOnDoubtnutApp
Q-16-14145112
2–
3–
4–
Page 16
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.
Page 17
WatchVideoSolutionOnDoubtnutApp
Q-17-23702336
Volkmann's canal connects
(A)Osteocytewithmatrix
(B)Differentbones
(C)Haversiancanalwithmatrix
(D)HaversiancanalwithotherHaversiancanals.
CORRECTANSWER:D
WatchVideoSolutionOnDoubtnutApp
Q-18-23702385
Which of the following possesses nodes of Ranvier ?
Page 18
(A)Medullatednervefibre
(B)Non-medullatednervefibre
(C)Musclefibre
(D)Medullatedandnon-medullatednervefibres.
CORRECTANSWER:A
WatchVideoSolutionOnDoubtnutApp
Q-19-23702442
Harversian canals are found in
(A)Muscle
(B)Nerve
(C)Cartilage
(D)Bone.
Page 19
CORRECTANSWER:D
WatchVideoSolutionOnDoubtnutApp
Q-20-40376753
Ciliated columnar epithelium called ependyma is present in the
lining of
(A)Fallopiantubes
(B)Ventriclesofbrain
(C)Nasalpassage
(D)Bronchioles
CORRECTANSWER:B
WatchVideoSolutionOnDoubtnutApp
Q-21-34100234
Page 20
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
WatchVideoSolutionOnDoubtnutApp
Q-22-34100220
Page 21
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.
WatchVideoSolutionOnDoubtnutApp
Page 22
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
WatchVideoSolutionOnDoubtnutApp
Q-24-34100216
Simple epithelium is a tissue in which cells are
(A)hardenedandprovidesupporttotheorgan
Page 23
(B)cementeddirectlytooneanothertoformasingle
layer
(C)continouslydividingtoprovideformtoanorgan
(D)looselyconnectedtooneanothertoformanirregular
organq
CORRECTANSWER:C
SOLUTION:
Simpleepitheliumisatissueinwhichthecellsare
cementeddirectlytooneanothertoformasinglelayer.
Anepitheliumisasheetortubeoffirmlyadherentcells
withminimum(practicallynegligible)materialandspace
betweenthem.
WatchVideoSolutionOnDoubtnutApp
Q-25-34100227
Page 24
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.
WatchVideoSolutionOnDoubtnutApp
Page 25
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
Page 26
SOLUTION:
Thestructuralproteinscollagenandelastinarepresent
inwhitecollagenfibresandyellowelasticfibres
respectively,whichareconnectivetissuefibres.
Neuroglialcellsarespecialisedcellsfoundinthebrain
andspinalcordsupportingtheneuronsandtheirfibres.
Themusclesofbicepsarevoluntaryandstriated.
WatchVideoSolutionOnDoubtnutApp
Q-27-15219632
Which of the following is not a type of tissue ?
(A)Muscle
(B)Embryonic
(C)Nervous
Page 27
(D)Epithelial
CORRECTANSWER:B
SOLUTION:
WatchVideoSolutionOnDoubtnutApp
Q-28-23702327
Formulation of antibodies is the function of
(A)Monocytes
(B)Neutrophils
(C)Basophils
(D)Lymphocytes.
CORRECTANSWER:D
N /A
Page 28
WatchVideoSolutionOnDoubtnutApp
Q-29-23702365
Chemical ions responsible for muscle contraction are
(A) and
(B) and
(C) and
(D) and ions.
CORRECTANSWER:D
WatchVideoSolutionOnDoubtnutApp
Q-30-23702437
Bundles of striated muscle fibres are enclosed in
Ca+ + K +
Na+ K +
Na+ Ca+
Ca+ + Mg+ +
Page 29
(A)Periosteum
(B)Epimysium
(C)Perimysium
(D)Endomysium.
CORRECTANSWER:B
WatchVideoSolutionOnDoubtnutApp
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
Page 30
(D)Ciliatedcolumnar
CORRECTANSWER:B
WatchVideoSolutionOnDoubtnutApp
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
Page 31
composedofproteinboundmucopoly-saccharictesand
glycoproteins,bothsecretedbyP.pithelialcells(hence,
productofepithelialcell)alongwithalayerofcollagen
fibresoftheunderlyingconnectivetissue.
WatchVideoSolutionOnDoubtnutApp
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
Page 32
andvoluntary
CORRECTANSWER:A
SOLUTION:
Smoothmusclefibresarespindle-shaped,thickinthe
middleandthinateitherends,uninucleated,no
sarcolemma,contractionisslow,involuntaryunderthe
controlofautonomousnervoussystemThesemuscles
arealsoknownasvisceralmuscles,non-striated,non-
skeletalorinvoluntarymuscles.
WatchVideoSolutionOnDoubtnutApp
Q-34-23702392
Apocrine secretion of gland means
(A)Whentheproductisreleasedbutthecellremains
Page 33
intact
(B)Whenentirecontentsofcellisdischargedwiththe
destructionofthecell
(C)Whenpartofapicalcytoplasmislost
(D)Noneofthese.
CORRECTANSWER:C
WatchVideoSolutionOnDoubtnutApp
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
Page 34
muscles,coelomicepithelium
(C)Non-cellularcuticle,epidermis,coelomicepithelium,
circularmuscles,longitudinalmuscles
(D)Cuticle,epdermis,peritonealmuscles
CORRECTANSWER:A
SOLUTION:
Externallythebodywallofearthwormiscoveredbya
thinnoncellularcuticlebelowwhichliestheepidermis,
twomusclelayers(circularandlongitudinal)and
innermostcoelomicepthelium.
WatchVideoSolutionOnDoubtnutApp
Q-36-14145117
Complete the following flowchart by selecting the correct option
Page 35
(A)
(B)
(C)
(D)
CORRECTANSWER:C
WatchVideoSolutionOnDoubtnutApp
ABCDStipesHypopharynxExopoditeFirstmaxillae
ABCDStipesExopoditeHypopharynxFirstmaxillae
ABCDFirstmaxillaeHypopharynxExopoditeStipes
ABCDFirstmaxillaeExopoditeHypopharynxStipes
Page 36
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.
Page 37
WatchVideoSolutionOnDoubtnutApp
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:
WatchVideoSolutionOnDoubtnutApp
: −
N /A
Page 38
Q-39-23702398
Diapedesis means
(A)Movementofthefoodingut
(B)FormationofW.B.C.
(C)Theprocessbywhichleucocytessqueezethrough
thincapillarywall
(D)FormationofR.B.C.
CORRECTANSWER:C
WatchVideoSolutionOnDoubtnutApp
Q-40-40376751
Which of the following mammalian tissues is associated with
filtration and diffusion?
Page 39
(A)Simplecolumnar
(B)Simplesquamous
(C)Stratifiedsquamous
(D)Stratifiedcolumnar
CORRECTANSWER:B
WatchVideoSolutionOnDoubtnutApp
Q-41-34100213
Which of the following cells do not form layer and remain
structurally separate ?
(A)Epithelialcells
(B)Musclecells
(C)Nervecells
(D)Glandcells
Page 40
CORRECTANSWER:C
SOLUTION:
Onlynervecellsdonotformlayern,theyalsoremain
structurallyseparatefromeachother(though
communicatewitheachotherthroughsynapse).
Nervecellsorneuronsarethecellsspecialisedto
conductanelectrochemicalcurrent,nervetissueis
madeupofthesecellsandsupportingcells.
WatchVideoSolutionOnDoubtnutApp
Q-42-34100230
Component of blood responsible for producing antibodies is
(A)thrombocytes
(B)monocytes
Page 41
(C)erythrocytes
(D)lymphocytes
CORRECTANSWER:D
SOLUTION:
Lymphocytes(20-25%)arethesecondmostabundant
leucocytes.Theseprotestusfrommpathogensandare
involvedintheproductionofantibodies.These
lymphocytesareoftwotypes,whichareknownasB-
lymphocytesandT-lymphocytes.
WatchVideoSolutionOnDoubtnutApp
Q-43-34100208
Extermities of long bones possess cartilage
(A)Calcifiedcartilage
Page 42
(B)Hyalinecartilage
(C)Elasticcartilage
(D)Fibrouscartilage
CORRECTANSWER:B
SOLUTION:
Hyalinecartilageispresentattheendoflongarticular
bones.Itprovidesasmootharticularsurfacetopermit
movementatjoints.Elasticcartilageisfoundwhere
supportwithflexibilityisneededsuchasinexternalears.
Fibrouscartilageisaverytoughsubstanceandisused
inplacesofthebodywhereshockabsorbersareneeded
e.g.,discsbetweenthevertebraeandinthekneejoint.
WatchVideoSolutionOnDoubtnutApp
Q-44-34100218
Page 43
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.
WatchVideoSolutionOnDoubtnutApp
Page 44
Q-45-40376754
Brush-bordered cuboidal epithelium is present in
(A)Intestine
(B)Proximalconvolutedtubule
(C)Stomach
(D)Gallbladder
CORRECTANSWER:B
WatchVideoSolutionOnDoubtnutApp
Q-46-34100206
Which one of the following contains the largest quantity of
extracellular material ?
Page 45
(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.
Page 46
Adipose.(fat)tissueisconsideredatypeofloose
connectivetissue
WatchVideoSolutionOnDoubtnutApp
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
Page 47
andhyoidapparatus
WatchVideoSolutionOnDoubtnutApp
Q-48-40376756
Germinal epithelium of testis and ovary is made up of
(A)Columnarepithelium
(B)Squamousepithelium
(C)Cuboidalepithelium
(D)Stratifiedepithelium
CORRECTANSWER:C
WatchVideoSolutionOnDoubtnutApp
Q-49-34100226
Epithelial tissue with thin flat cells appearing like packed tiles
Page 48
occurs on
(A)innerliningofcheek
(B)innerliningofstomach
(C)innerliningofFallopiantubes
(D)innerliningofovary
CORRECTANSWER:D
SOLUTION:
Epithelialtissuewiththinflatcellsappearinglikepacked
tilesoccursoninnerliningofovary.Itiscalledgerminal
epithelium.
WatchVideoSolutionOnDoubtnutApp
Q-50-14145099
Page 49
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
Page 50
WatchVideoSolutionOnDoubtnutApp
Q-51-15219639
Haversian canals are found in
(A)Avesbones
(B)Mammalianspongybone
(C)Mamaliancompactbone
(D)Allbones
CORRECTANSWER:C
SOLUTION:
WatchVideoSolutionOnDoubtnutApp
Q-52-40376758
: −
N /A
Page 51
All the statements about stereociliaare correct except
(A)Theyarenon-motile
(B)Thesearefoundinepididymisandvasdeferens
(C)Ithas9+2ultrastructure
(D)Thebasalgranuleisabsent
CORRECTANSWER:C
WatchVideoSolutionOnDoubtnutApp
Q-53-34100217
Polysaccharide found in cartilage matrix is
(A)cartilagin
(B)ossein
(C)chondriotin
Page 52
(D)casein
CORRECTANSWER:C
SOLUTION:
Thechiefcomponentofgroundsubstancesofcartilage
ischondromucoproteinwhichisformedofchondriotin
sulphate,keratinsulphateandhyaluronicacid.
WatchVideoSolutionOnDoubtnutApp
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
Page 53
(D)blood
CORRECTANSWER:C
SOLUTION:
Hydraulicskeletonisthesystemofsupportfoundinsoft
bodiedinvertebrates,whichreliesonthe
incompressibilityoffluidscontainedwithinthebody
cavity.Inearthworms,thecoelomicfluidisunder
pressurewithinthecoelomandthereforeprovides
supportforinternalorgans,Duetohydraulicskeleton,
duringburrowing,theanteriorendbecomesturgidand
aidsinrelaxationoflongitudinalmuscles.
WatchVideoSolutionOnDoubtnutApp
Q-55-14145126
Select the correct statement from the ones given below with respect
Page 54
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
Page 55
Theseareabsentinfemalecockroach.Nervoussystem
islocatedventrally.Thereare100-150Malpighian
tubules.Grindingoffoofiscarriesoutbymouthparts
andgizzard.
WatchVideoSolutionOnDoubtnutApp
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
: −
Page 56
SOLUTION:
WatchVideoSolutionOnDoubtnutApp
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:
WatchVideoSolutionOnDoubtnutApp
N /A
N /A
Page 57
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:
WatchVideoSolutionOnDoubtnutApp
Q-59-14145101
: −
N /A
Page 58
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.
Page 59
WatchVideoSolutionOnDoubtnutApp
Q-60-14145055
Areolar connective tissue joins
(A)bonewithbone
(B)fatbodywithmuscles
(C)integumentwithmuscles
(D)bonewithmuscles
CORRECTANSWER:C
SOLUTION:
Areolartissueispresentundertheskinassubcutaneous
tissueinbetweenandaroundmuscles,nervesand
bloodvesselsinsubmucosaofgastro-intestinaltractand
Page 60
respiratorytract,inthebonemarrow,betweenthelobes
andlobulesofcompoundglandsandinmesenteriesand
omenta.
WatchVideoSolutionOnDoubtnutApp