Test Bank - Campbell Biology in Focus, 2nd Edition (Urry, 2014) Chapter 1-43 | All Chapters

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CampbellylBiologyylinylFocus,yl2eyl(Urry)ylCha
pteryl2y l TheylChemicalylContextylofylLife

2.1 Multiple-ChoiceylQuestions

1) Aboutyl20-
25%ylofyltheyl92ylnaturalylelementsylareylknownyltoylbeylessentialyltoyllife.ylWhichylfourylofylth
eseylelementsylmakeylupylapproximatelyyl96%ylofyllivingylmatter?
A) carbon,ylsodium,ylhydrogen,ylnitrogen
B) carbon,yloxygen,ylphosphorus,ylhydrogen
C) oxygen,ylhydrogen,ylcalcium,ylnitrogen
D) carbon,ylhydrogen,ylnitrogen,yloxygen
E) carbon,yloxygen,ylnitrogen,ylcalciu
mylAnswer:y l D
Topic:y l Conceptyl2.1
Skill:yl Knowledge/Comprehensiony
lLearningylOutcome:y l 2.1


2) Traceylelementsylareylthoseylrequiredylbyylanylorganismylinylonlyylminuteylquantities.ylWhic
hylofyltheylfollowingylisylayltraceylelementylthatylisylrequiredylbyylhumansylandylotherylvertebra
tes?
A) nitrogen
B) calcium
C) iodine
D) sodium
E) phosphorus
ylAnswer:y l C
Topic:y l Conceptyl2.1
Skill:yl Knowledge/Comprehensiony
lLearningylOutcome:y l 2.1


3) Traceylelementsylareylthoseylrequiredylbyylanylorganismylinylonlyylminuteylquantities.ylWhic
hylofyltheylfollowingylisylayltraceylelementylthatylisylrequiredylbyylallylorganisms?
A) iron
B) calcium
C) iodine
D) sodium
E) potassium
ylAnswer:y l
A
Topic:y l Conceptyl2.1
Skill:yl Knowledge/Comprehensiony
lLearningylOutcome:y l 2.1




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4) Whichylofyltheylfollowingylisylprimarilyylresponsibleylforyltheyluniqueylchemicalylpropertiesyl
ofyleachylelement?
A) Eachylelementylhasylayluniqueylatomicylmass.
B) Eachylelementylhasylayluniqueylatomicylnumber.
C) Eachylelementylhasylayluniqueylnumberylofylprotons.
D) Eachylelementylhasylayluniqueylnumberylofylneutrons.
E) Eachylelementylhasyluniqueylradioactiveylproperti
es.ylAnswer:y l C
Topic:y l Conceptyl2.2
Skill:yl Knowledge/Comprehensiony
lLearningylOutcome:y l 2.2


5) Fromyltheylatomicylmass,yloneylcanyldeduceyltheylnumberylofyl
inyleachylatomylofylanylelement
.
A) protons
B) neutrons
C) electrons
D) protonsylplusylelectrons
E) protonsylplusylneutron
sylAnswer:y l E
Topic:y l Conceptyl2.2
Skill:y l Application/AnalysisylLearn
ingylOutcome:y l 2.2

6) Inylwhatylwayylareylelementsylinyltheylsameylcolumnylofyltheylperiodicyltableyltheylsame?
A) Theyylhaveyltheylsameylnumberylofylprotons.
B) Theyylhaveyltheylsameylnumberylofylneutrons.
C) Theyylhaveyltheylsameylnumberylofylelectrons.
D) Theyylhaveyltheylsameylnumberylofylelectronsylinyltheirylvalenceylshell.
E) Theyylhaveyltheylsameylnumberylofylelectronylsh
ells.ylAnswer:y l D
Topic:y l Conceptyl2.2
Skill:yl Knowledge/Comprehensiony
lLearningylOutcome:y l 2.2


7) Inylwhatylwayylareylelementsylinyltheylsameylrowylofyltheylperiodicyltableyltheylsame?
A) Theyylhaveyltheylsameylnumberylofylprotons.
B) Theyylhaveyltheylsameylnumberylofylneutrons.
C) Theyylhaveyltheylsameylnumberylofylelectrons.
D) Theyylhaveyltheylsameylnumberylofylelectronsylinyltheirylvalenceylshell.
E) Theyylhaveyltheylsameylnumberylofylelectronylsh
ells.ylAnswer:y l E
Topic:y l Conceptyl2.2
Skill:yl Knowledge/Comprehensiony
lLearningylOutcome:y l 2.2



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8) Theylnucleusylofylaylnitrogenylatomylcontainsyl7ylneutronsylandyl7ylprotons.ylWhichylofyltheylfoll
owingylisylaylcorrectylstatementylconcerningylnitrogen?
A) Theylnitrogenylatomylhasylaylmassylnumberylofyl7ylandylanylatomicylnumberylofyl14.
B) Theylnitrogenylatomylhasylaylmassylnumberylofyl14ylandylanylatomicylnumberylofyl7.
C) Theylnitrogenylatomylhasylaylmassylnumberylofyl14ylandylanylatomicylnumberylofyl14.
D) Theylnitrogenylatomylhasylaylmassylnumberylofyl7ylandylanylatomicylnumberylofyl21.
E) Theylnitrogenylatomylhasylaylmassylnumberylofyl14ylandylanylatomicylnumbe
rylofyl21.ylAnswer:y l B
Topic:y l Conceptyl2.2
Skill:yl Knowledge/Comprehensiony
lLearningylOutcome:y l 2.2


9) Forylelementsylinyltheylfirstylthreeylrowsylofyltheylperiodicyltable,yltheylpositionylofylanylelementyl
inyltheylrowylindicatesylwhichylofyltheylfollowing?
A) theyltotalylnumberylofylelectronsylinyltheylelement
B) theyltotalylnumberylofylprotonsylinyltheylelement
C) theyltotalylnumberylofylneutronsylinyltheylelement
D) theylnumberylofylelectronylorbitalsylinyltheylelement
E) theylnumberylofylelectronsylinyltheylvalenceyl
shellylAnswer:y l E
Topic:y l Conceptyl2.2
Skill:yl Knowledge/Comprehensiony
lLearningylOutcome:y l 2.2


10) Theylchemicalylbehaviorylofylanylatomyldependsylprimarilyyluponylwhichylofyltheylfollowing?
A) theylnumberylofylneutronsylinyltheylnucleus
B) theylnumberylofylprotonsylinyltheylnucleus
C) theylnumberylofylelectronsylinyltheylvalenceylshell
D) theyltotalylnumberylofylelectronsylcontainedylbyyltheylatom
E) theylnumberylofylelectronylshellsylcontainedylbyyltheyl
atomylAnswer:y l C
Topic:y l Conceptyl2.2
Skill:yl Knowledge/Comprehensiony
lLearningylOutcome:y l 2.2




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