BIOLOGY EXAM QUESTIONS WITH CORRECT ANSWERS.

BIOLOGY EXAM QUESTIONS WITH
CORRECT ANSWERS

Thesfsmallestsfbasicsfunitsfofsfmattersfissfthesf-sfANS--Atom

Whichsfofsfthesffollowingsfissfformedsfwhensfansfatomsfgainssforsflosessfelectronssf-sfANS--Ion

Atomssfinsfmoleculessfsharesfpairssfofsfelectronssfwhensftheysfmakesf-sfANS--Covalentsfbonds

Whatsfgivessfwatersfmanysfpropertiessfthatsfaresfimportantsftosflivingsfthingssf-sfANS--
Hydrogensfbonds

WhichsfofsfthesffollowingsfsolutionssfhassfthesfhighestsfHsfionsfconcentrationsf-sfANS--
AsfsolutionsfwithsfasfPHsfofsf1

Whatsfissfuniquesfaboutsfcarbonsf-sfANS--Bondingsfproperties

Thesffoursfmainsftypessfofsfcarbonsfbasedsfmoleculessfinsforganismssfaresfcarbohydrates,sflipi
ds,sfNucleicsfacids,sfandsf-sfANS--Proteins

BothsfanimalsffatssfandsfplantsfoilssfaresfmadesfupsfofsfglycerolsfAndsf-sfANS--Fattysfacids

Substancessfaresfchangedsfintosfdifferentsfsubstancessfwhensfbondssfbreaksfandsfformsfdurin
gsf-sfANS--Chemicalsfreactions

Chemicalsfreactionssfthatsfabsorbsfmoresfenergysfthansftheysfreleasesfaresfcalledsf-sfANS--
Endothermic

Thesfactivationsfenergysfneededsfforsfasfchemicalsfreactionsfissfdecreasessfbysfasf-sfANS--
Catalyst

Whichsfaspectsfofsfasfchemicalsfreactionsfissfaffectedsfbysfenzymessf-sfANS--Rate

Whichsfphrasesfbestsfdescribessfansfatomsf-sfANS--Smallestsfbasicsfunitsfofsfmatter

Howsfdosfionssfformsf-sfANS--Atomssfgainsforsflosesfelectrons

Howsfaresfatomssfheldsftogethersfinsfmoleculessf-sfANS--Theysfformssfcovalentsfbonds

Whichsfpropertysfifsfwatersfissfthesfresultsfofsfhydrogensfbondssf-sfANS--Highsfspecificsfheat

, Howsfdoessfthesfadditionsfofsfansfacidsfaffectsfasfneutralsfsolutionsf-sfANS--
ThesfHsfionsfconcentrationsfissfincreased

Whichsfpropertysfofsfcarbonsfmakessfitsfthesfbuildingsfblocksfofsflifesf-sfANS--
Issfcovalentsfbonding

Whatsfaresfthesffoursfmainsfgroupssfofsfcarbonsfbasedsfmoleculessf-sfANS--
Carbohydrates,sflipids,sfproteindmsfandsfNucleicsfacids

Whensffattysfacidssfcannotsfpacksftogethersftightlysfenoughsftosfmakesfasfsolidsffat,sftheysfhavesf
-sfANS--Fewersfhydrogensfatoms

Chemicalsfreactionssfchangesfsubstancessfintosfdifferentsfsubstancessfbysf-sfANS--
Breakingsfandsfformingsfbonds

Whatsfissfthesftermsfforsfthesfsubstancessfthatsfaresfchangedsfduringsfasfchemicalsfreactionsf-
sfANS--Reactants



Whatsfissfthesfresultsfofsfendothermicsfchemicalsfreactionsf-sfANS--
Moresfenergysfabsorbedsfthansfreleased

Thesffunctionsfofsfasfcatalystssfinsfasfchemicalsfreactionsfissftosfincreasesfthesf-sfANS--
Reactionsfrate

Whatsfaspectssfofsfchemicalsfreactionsfaresfenzymessfknownsftosfaffectsf-sfANS--
Ratesfandsfactivationsfenergy

Microscopessfledsftosfthesfdiscoverysfthatsfallsforganismssfaresf-sfANS--Madesfofsfcells

Together,sfallsfofsfthesfchemicalsfprocessessfthatsfbuildsfupsfandsfbreaksfdownsfmaterialssfinsfor
ganismssfcalledsf-sfANS--Metabolism

Thesfsubstancesfthatsfcoverssfthesfmajoritysfifsfearthsfsurfacesfandsfalsosfmakessfupsfthesflarges
tsfpercentagesfofsfyoursfcellssfissf-sfANS--Water

Whatsfissfthesfnamesfofsfthesfnegativelysfchargedsfparticlessf-sfANS--Electrons

Throughsfphotosynthesis,sfplantssfconvertsfenergysffromsfsunlightsfintosf-sfANS--
Chemicalsfenergy

Whensfasfrabbitsfrunssfawaysffromsfasffox,sfit'ssfmusclessfneedsf-sfANS--Energy

Tosftestsfwhethersfasfplantsfgrowssfbettersfissfacidicsforsfbasicsfsoil,sfthesfamountsfofsfwatersfandsf
sunlightsfthesfplantssfreceivesfmustsfbesfcontrolledsfassffactorssfcalledsf-sfANS--Constants