CONTROLANDCOORDINATION

(Q.1)Thesecretionsoftheendocrineglandsarecalledhormones.Whichofthe
followingcharacteristicsisnotshownbythehormones?
(a)Theymaybeproteinaceousornonproteinaceous(aminoacidsorsteroids).
(b)Theirsecretionmayberegulatedbynervesorbyfeedbackeffect.
(c)Theyactattheirsiteofrelease.
(d)Theyaretransportedbyblood.
(Q.2)Thechangesassociatedwithpubertyinmales&femalesisduetothesecretionof:
(a)Oestrogen/Testosterone
(b)Testosterone/Oestrogen
(c)Oestrogen/Growthhormone
(d)Growthhormone/Testosterone
(Q.3)Whatistheprickingofpincalled?
(a)Response
(b)Stimulus
(c)Reaction
(d)Reflex.
(Q.4)Controlandcoordinationisprovidedby:
(a)MuscularSystem
(b)ExcretorySystem
(c)NervousSystem
(d)ReproductiveSystem
(Q.5)Allinformationfromtheenvironmentisdetectedby:
(a)Receptors
(b)Axon
(c)Nucleus
(d)CellBody
(Q.6)Theinformationacquiredattheendofthedendritictipsetsoffachemical
reaction.Thiscreatesan:
(a)Action
(b)Reaction
(c)ElectricalImpulse
(d)Potential
(Q.7)Duringnerveimpulsetransmission,thechemicalscrossaregioncalled:
(a)Synapse
(b)ReflexArc
(c)Dendrite
(d)Neuromascularjunction
(Q.8)Thenervoustissueismadeupof:
(a)Greymatter
(b)Nervecells
(c)Axon
(d)Dendron
(Q.9)Thethinkingpartofthebodyiscalled:
(a)Kidneys
(b)Brain
(c)Lungs
(d)Heart
(Q.10)Theprocessofdetectingtheinputandaquickresponsetoitiscalled:
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(a)Impulse
(b)Stimulus
(c)Sensation
(d)Reflexaction
(Q.11)Reflexarcsareformedinthe:
(a)Brain
(b)SpinalCord
(c)Muscles
(d)Kidneys
(Q.12)Reflexarcshaveevolvedinanimalsbecause:
(a)Spinalcordisrequired.
(b)Thinkingprocessofbrainisnotfastenough.
(c)Musclesdonotworkproperly.
(d)Receptionisnotproperinanimals.
(Q.13)WhichofthefollowingconstitutetheCentralNervousSystem:
(a)Axon
(b)Spinalcord
(c)Musclefibre
(d)Reflexarc
(Q.14)ThecommunicationbetweenCNSandotherpartsofthebodyisfacilitatedby:
(a)PeripheralNervousSystem
(b)Brain
(c)SpinalCord
(d)Reflexes.
(Q.15)Involuntaryactionslikebloodpressure,vomitingandsalivationarecontrolledby:
(a)CerebralCortex
(b)Forebrain
(c)Midbrain
(d)Hindbrain
(Q.16)Thebrainisprotectedby:
(a)Cranium
(b)VertebralColumn
(c)SpinalCord
(d)Joints
(Q.17)Activitieslikewalkinginastraightline,ridingabicycle,pickingupapencilare
controlledby:
(a)Cerebrum
(b)Cerebellum
(c)MedullaOblongata
(d)SpinalCord
(Q.18)TheresponseseeninMimosapudicais:
(a)Heatrelated
(b)Touchrelated
(c)Coldrelated
(d)Chemicallyrelated
(Q.19)Thepartoftheplantthatispositivelygeotropicinnatureis:
(a)Root
(b)Stem
(c)Leaf
(d)Flower
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(Q.20)Theelementrequiredforthethyroidglandtomakethyroxinehormoneis:
(a)Calcium
(b)Phosphorus
(c)Iodine
(d)Magnesium
(Q.21)Adrenalglandsarelocatedabovetheseorgans:
(a)Kidneys
(b)Lungs
(c)Intestine
(d)Stomach
(Q.22)Whichofthefollowingisaplanthormone:
(a)Insulin
(b)Thyroxin
(c)Oestrogen
(d)Cytokinin
(Q.23)Thetimingandamountofhormonereleasedareregulatedby:
(a)Reflexaction
(b)Brain
(c)SpinalCord
(d)Feedbackmechanism
(Q.24)Thesugarlevelinthebloodiscontrolledby:
(a)Adrenalgland
(b)Thyroidgland
(c)Pancreas
(d)Liver
(Q.25)Thehypothalamus,pinealglandandpitutaryglandarelocatedinthe:
(a)Brain
(b)Kidneys
(c)Lungs
(d)Heart
(Q.26)Insulinisproducedby:
(a)Liver
(b)Pancreas
(c)Gallbladder
(d)Stomach
(Q.27)Cytokininspromotes
(a)Wiltingofleaves
(b)Celldivision
(c)Responses
(d)Diffussion
(Q.28)Thehormonessecretedatpubertyinmalesandfemalesare:
(a)Testosteroneandestrogensrespectively
(b)Estrogensandtestosteroneandrespectively
(c)Androgensandtestosteronerespectively
(d)Estrogensandprogestronerespectively
(Q.29)Connectionsbetweeninputnerveandoutputnervewheretheymeetfirstforms:
(a)Reflexarc
(b)Cranialnerves
(c)Spinalnerves
(d)Neuromuscularjunction
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(Q.30)Inordertoperformanactionormovementanimalmuscles:
(a)Changetheirshapeandshorten
(b)Changetheirshapeandbulge
(c)Donotchangetheirshape
(d)Theyshifttothetargetorgan
(Q.31)Whichoneofthefollowingispositivelyhydrotropic:
(a)Leaves
(b)Stem
(c)Flowers
(d)Roots
(Q.32)Thetimeandamountofhormonereleasediscontrolledby:
(a)Parsdistalis
(b)Endocrineglands
(c)Feedbackmechanism
(d)Hypothalamus
(Q.33)Whichofthefollowingisnotregulatedbythehormones?
(a)Metabolism
(b)Growth
(c)Sexualdevelopment
(d)Thinking
(Q.34)Thetermgeotropismmeans:
(a)Studyofdifferentlayersofearth
(b)Shiftingofearthcentre
(c)Growthofplantpartstowardsgravityoftheearth
(d)Puttingseedsintosoilbed
(Q.35)WhichofthefollowingcanbequotedasthebestexampleforChemotropism.
(a)Pollentubes
(b)Flowers
(c)Roots
(d)Stem
(Q.36)Wherearehormonespouredintothebody?
(a)Bloodstream
(b)Pancreas
(c)Intestine
(d)Brain
(Q.37)Thenervoussystemconsistsofaseriesof:
(a)Cytons
(b)Neurons
(c)Dendrons
(d)Axons
(Q.38)Whichoneofthefollowingisaninvoluntaryaction?
(a)Breathing
(b)Cycling
(c)Walking
(d)Picking
(Q.39)Thecoordinationbychemicalsisbroughtaboutby:
(a)Theendocrinesystem
(b)Spinalcord
(c)Nervoussystem
(d)Brain
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(Q.40)Iodineisnecessaryforwhichendocrinegland:
(a)Gonads
(b)Hypothalamus
(c)Thymus
(d)Thyroid
(Q.41)Exampleofchemicalcoordinationinplantsis:
(a)Seedgermination
(b)Growthofhairs
(c)Seedshapeinpea
(d)Developmentofcambium
(Q.42)Theentirepathofdetectingthesignalortheinputandrespondingtoitbyan
outputactioniscommonlycalledas:
(a)Impulse
(b)Synapse
(c)Reflex
(d)Stimulus
(Q.43)Whatisanendocrinesystem?
(a)Asystemofelectricalimpulsestotransmitmessages
(b)Acollectionofglandsthatproducehormones
(c)Acollectionofnervesthatproducereflexes
(d)Agroupsofneurosecretorycellswhichsecretehormones
(Q.44)Planthormones:
(a)shapetheplant
(b)effectwatertransporationinplant
(c)effectinpollination
(d)effectinseeddispersal
(Q.45)Activitieslikewalking,ridingabicycle,pickingupapencilarecontrolledby
(a)Forebrain
(b)Hindbrain
(c)Midbrain
(d)Spinalcord
(Q.46)Backboneisalsocalledas
(a)Spinalcord
(b)Notochord
(c)Vertebralcolumn
(d)Nervecord
(Q.47)Whichofthefollowingisnotanendocrinegland?
(a)Pineal
(b)Thyroid
(c)Pancreas
(d)Sweat
(Q.48)Whichofthefollowingpartofthebraingivesrisetospinalcord?
(a)Medullaoblongata
(b)Cerebrum
(c)Cerebellum
(d)Midbrain
(Q.49)Plantshormonesare:
(a)Nutrients
(b)Chemicals
(c)Minerals
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(d)Hormones
(Q.50)Theproductionofhormonesoccurs:
(a)Inxylem
(b)Inphloem
(c)Incorticalcells
(d)Inmeristematiccells

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