(100% Verified Q & A) ||(New 2025)
Thecpricecofcac20"ctelevisioncchangedcfromc$450ctoc$400.cFindcthecpercentagecchangec
incprice.
A.
-10%
B.
-11%
C.
-13%
D.
-15%c-cCORRECTcANSWER-Correctcanswer:c-11%
Changecincprice:c450c-c400c=c50
Tocdeterminecthecpercentagecchange,cdividecthecchangecincpricecbycthecinitialcprice:
c50c=c0.1111
450
Multiplycbyc100ctocdeterminecthecpercentage:c0.1111c×c100c=c11.11%
Becausecthecpricecdecreased,cthecchangecincpriceciscnegative:c-11.11%,corcaboutc-11%
Whichcofcthecfollowingciscnotcactypecofcnaturalclipid?
A.
Supersaturated
B.
Polyunsaturated
C.
Saturated
D.
,Unsaturatedc-cCORRECTcANSWER-Correctcanswer:cSupersaturated
Therecarecthreectypescofcnaturalclipids:cunsaturated,cpolyunsaturated,candcsaturated.cS
upersaturationciscacnotcacnaturallycoccurringclipid.
Unsaturatedcandcpolyunsaturatedclipidschaveconecorcmorecdoublecbondscbetweenccarb
oncatomscofcfattycacidcchains;csaturatedclipidscsharecnocsuchcdoublecbonds.
Accommoncexamplecofcsupersaturationciscrockccandy,cwhichcisccreatedcfromcacsupersat
uratedcsugarcsolution.
Whichcofcthecfollowingciscnotctruecofcmitosis?
A.
Daughterccellscarecdifferentcthancparentccells
B.
Daughterccellscarecidenticalctocparentccells
C.
Itcproducescdaughterccells
D.
Itcoccursconlycinceukaryoticccellsc-cCORRECTcANSWER-
Correctcanswer:cDaughterccellscarecdifferentcthancparentccells
Mitosisciscaccellccyclecduringcwhichcacparentccellcproducescancidenticalcdaughterccell.cItc
hascfourcmaincphases:cprophase,cmetaphase,canaphase,candctelophase.cSincecthecpar
entcandcdaughterccellscarecidentical,cbothcdiploidscandchaploidsccancundergocmitosis.
Mitosisciscacfour-stagecprocesscthatccreatesctwocidenticalccellscfromconecoriginalccell.
Prophaseciscthecfirstcandclongestcstagecofcmitosis.cIncthiscstage,cthecchromosomescbec
omecvisiblecandctheccentriolescseparatecandcmovectocoppositecpolescofctheccell.
Metaphaseciscthecsecondcstagecofcmitosis.cIncthiscstage,cthecchromosomesclinecupcacr
ossctheccentercofctheccellcandcbecomecconnectedctocthecspindlecfibercatctheirccentromer
e.
Anaphaseciscthecthirdcstagecofcmitosis.cIncthiscstage,cthecsistercchromatidscseparatecint
ocindividualcchromosomescandcarecpulledcapart.
Telophaseciscthecfourthcandclastcstagecofcmitosis.cDuringcthiscstage,cthecchromosomesc
gathercatcoppositecendscofctheccellcandclosectheircdistinctcrod-
likecshapes.cTwocnewcnuclearcmembranescthencformcaroundceachcofcthectwocregionsco
fcDNAcandcthecspindlecfiberscdisappear.
WhatciscthecrolecofcthecGolgicapparatuscinctheccell?
, A.
Tocuptakecfoodcthroughctheccellcmembrane
B.
Tocproduceccellularcrespiration
C.
Tocprovidecintracellularcdigestion
D.
Tocprovidectransportationcofcmaterialscthroughoutctheccellc-cCORRECTcANSWER-
Correctcanswer:cTocprovidectransportationcofcmaterialscthroughoutctheccell
ThecGolgicapparatusciscresponsiblecforcthectransportationcofcmaterialscthroughoutcthecc
ell.cThecGolgicapparatus,calsocknowncascthecGolgiccomplex,cGolgicbody,corcsimplycthec
Golgi,ciscancorganellecfoundcincmostceukaryoticccells.
Intracellularcdigestioncoccurscwithinclysosomes.cUptakingcfoodciscthecjobcofcvacuoles.cC
ellularcrespirationciscthecfunctioncofcmitochondria.
Whenchydrocarboncischeated,citscproductscareccarboncdioxidecandcwater.cThisciscancex
amplecofcwhichcofcthecfollowing?
A.
Decomposition
B.
Combustion
C.
Singlecreplacement
D.
Synthesisc-cCORRECTcANSWER-Correctcanswer:cCombustion
Ancexamplecofccombustionciscwhenchydrocarboncischeatedcandcitscproductscareccarbon
cdioxidecandcwater.cCombustionciscancexothermiccchemicalcreactioncthatcoccurscwhenc
heatcactsconcoxygencorcacfuelccompound.
Synthesisciscacreactioncthatccausesctwocelementsctocjoinctocformconecproduct.cDecomp
ositioncoccurscwhencaccompoundciscbrokencdowncintocitsccomponentcparts.cSinglecrepl
acementcoccurscwhencancactivecmetalcreactscwithcancionicccompoundcthatccontainscacl
esscactivecmetalctocformcacnewccompound.
Whenciscacdoubleccovalentcbondcformed?