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Exam (elaborations)

NLN NEX – Science Questions and answers 2025

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NLN NEX – Science Questions and answers 2025

Institution
NLN NEX
Course
NLN NEX










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Institution
NLN NEX
Course
NLN NEX

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Uploaded on
April 22, 2025
Number of pages
23
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

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NLN NEX – Science Questions and answers
2025
FibrousHtunic

InHtheHdiagram,HtheHareaHlabeledH2HisHpartHofHwhichHlayerHofHtheHeye?

FibrousHtunicH
SensoryHtunicH
ReticularHtunic
HVascularHtuni


c




SympatheticHnervousHsystem

AfterHplayingHaHstrenousHtennisHmatch,HaHplayerHexperiencesHincreasedHheartHrate,HrapidHbreathing,HandHd
ilatedHpupils.HWhichHbranchHofHtheHnervousHsystemHisHresponsibleHforHtheseHresponses?

AutonomicHnervousHsystemHCentr
alHnervousHsystemHSympatheticHn
ervousHsystemHParasympatheticHn
ervousHsystem

CerebralHCortex

AmnesiaHinHhumansHisHtheHlossHofHmemory.HWhichHofHtheseHpartsHofHtheHbrainHhasHbeenHaffectedHwhenHs
omeoneHisHsufferingHfromHamnesiaHcuasedHbyHheadHtrauma?

MedullaHoblongata
HSpinalHCordHCereb


ellumHCerebralHCor
tex

GastronemiusHandHsoleus

IfHaHpersonHcannotHstandHonHtiptoes,HwhichHmusclesHmayHbeHtooHweak?

RectusHfemorisHandHvastusHmedialisHP
ectoralisHmajorHandHsubclavius

,GastronemiusHandHsoleus
BicepsHfemorisHandHsemimembranosus

IsHwhereHmostHofHtheHcell'sHchemicalHreactionsHtakeHplace

AllHlivingHcellsHcontainHcytoplasm,HwhichHisHimportantHb/cHit...

CarriesHhereditaryHtraitsHP
roducesHprotein
IsHwhereHmostHofHtheHcell'sHchemicalHreactionsHtakeHplaceHCon
trolsHwhatHmovesHinHandHoutHofHtheHcell

FewerHconesHandHaHgreaterHconcentrationHofHrodsHtoHcollectHtheHminimalHlightHforHnightHvision.

MostHvertebratesHhaveHconeHcellsHinHtheirHeyes,HwhichHdistinguishHcolorsHinHdaylight.HTheHrodsHareHmoreHs
ensitiveHtoHlight,HbutHdoHnotHdistinguishHcolors.HIfHaHmamalHisHnocturnal,HitHhasHlikelyHevolvedHtoHhave...

AsHmanyHconesHasHthereHareHrodsHtoHcaptureHtheHcolorsHatHdusk/dawn

AnHabsenceHofHconesHsinceHnocturnalHmammalsHonlyHneedHrodsHtoHseeHblack/whiteHatHnightHFe

werHconesHandHaHgreaterHconcentrationHofHrodsHtoHcollectHtheHminimalHlightHforHnightHvision.HMo

reHconesHthanHrodsHtoHenableHthemHtoHseeHtheHmutedHcolorsHatHnight.

Diffusion

WhithinHaHlivingHcell,HtheHoxygenHfromHaHmixtureHofHoxygenHandHcarbonHdioxideHisHusedHup.HThisHcreate
sHaHconcentrationHgradientHacrossHtheHcellHmembraneHthatHdrawsHinHoxygenHacrossHtheHcellHmembrane
HfromHtheHoutsideHtoHtheHinsideHofHtheHcell.HThisHprocessHisHknownHbyHwhichHofHtheseHterms?




Diffusion
ActiveHtransport
HOsmosis


CellularHrespirationHLymp

hocytes

AsHpartHofHtheHhumanHimmuneHresponse,HwhichHofHtheseHcellsHareHresponsibleHforHproducingHantibodies?

MacrophagesHS
uppressorHcellsH
HelperHcellsHLy
mphocytes

, Atlanto-occipitalHjoint

WhenHaHpersonHnodsHtheirHheadHyes/no,HwhichHjointHallowsHforHthatHmovement?

CoxalHjoin
Atlanto-
occipitalHjointHTemporom
andibularHjointHGlenohum
eralHjoint

CristaHampullaris

WhatHstructureHwithinHtheHareaHlabeledHasHBHcontainsHtheHsensoryHreceptorsHforHdynamicHequilibrium?

MaculaHsacculiHS
piralHorganHCrist
aHampullarisHMa
culaHutriculi




VertebralHcolumn

IfHaHpersonHhasHaHlateralHcurvatureHofHtheHspine,HwhichHanatomicalHstructureHisHaffected?

ThoracicHcageHPe
lvicHgirdleHVerteb
ralHcolumnHPecto
ralHgirdle

NaturalHselection

CharlesHDarwin'sHtheoryHofHevolutionHsuggestsHthatHtheHreasonHforHtheHvariousHdifferencesHbetweenHs
peciesHisHaHresultHof..

TheHuseHorHdisuseHofHbodyHstructuresH
ExposureHtoHmutagenicHagentsHNatur
alHselection
AcquiredHcharacteristics

VasHdeferens
H

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