Name: __________________________ Date: _____________
1.Which of the following compounds is both an aldose and a hexose? A)
B)
)
D)
!.Which of the following st"uctu"es is that of an #$monosaccha"ide? A)
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B)
)
D)
&.Which of the following st"uctu"es is that of D$mannose? A)
B)
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)
D)
A) B) ) D)
'.(he st"uctu"e of D$gulose diffe"s f"om that of D$idose at which ca"bon atom? ca"bon & ca"bon ' ca"bon ! ca"bon *
A) B) ) D)
*.+n which of the following pai"s of monosaccha"ides do the membe"s of the pai" contain diffe"ent numbe"s of ca"bon atoms? gulose and x,lulose x,lulose and a"abinose gulose and galactose dih,d"ox,acetone and gl,ce"aldeh,de
A) B) ) D)
-.Which of the following statements cone"ning chi"al cente"s in specific monosaccha "ides is incorrect ? gl,ce"aldeh,de has one chi"al cente" gl,ce"aldeh,de has th"ee chi"al cente"s "ibulose has two chi"al cente"s idose has fou" chi"al cente"s
A) B) ) D)
.Which of the following te"ms co""ectl, desc"ibes the "elationship between D$mannose and #$mannose? enantiome"s epime"s diaste"eome"s cis$t"ans isome"s
/.Which of the following p"ope"ties would be the same fo" D$mannose and #$mannose?
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A) B) ) D)
inte"action with plane pola"i0ed light solubilit, in chi"al solent melting point "eaction with 23)$!4&$butanediol
5.Which of the following st"uctu"es "ep"esents a 6$monosaccha"ide? A)
B)
)
D)
17.Which of the following monosaccha"ides has an open chain fo"m that is a 8etose? A)
B)
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)
D)
11.Which of the following st"uctu"es is a "ep"esentation of a c,clic fo"m of D$glucose? A)
B)
)
D)
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A) B) ) D)
1!.Which of the following t,pes of monosaccha"ides hae c,clic fo"ms that inole a *$ membe"ed "ing? aldopentoses and 8etopentoses aldopentoses and 8etohexoses 8etopentoses and aldohexoses aldohexoses and 8etohexoses
A) B) ) D)
1&.+n which of the following pai"s o" ca"boh ,d"ates a"e both membe"s of the pai" disaccha"ides? alt"ose and tagatose suc"ose and l,xose lactose and cellobiose cellulose and cellobiose
A) B) ) D)
1'.Which of the following substances will p"oduce both glucose and f"uctose when it is h,d"ol,0ed? lactose maltose suc"ose gl,cogen
A) B) ) D)
1*.+n which of the following suga"s is the bonding between monosaccha"ide units 9head$to head "athe" than 9head$to$tail? cellobiose maltose lactose suc"ose
A) B) ) D)
1-.Which of the following is not a "educing suga"? psicose talose cellulose maltose
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A) B) ) D)
1.(he ma;o" st"uctu"al diffe"ence between cellulose and sta"ch is found in the identit, of the monosaccha"ide units p"esent. "ing si0e of the monosaccha"ide units p"esent. lin8ages between the monosaccha"ide units p"esent. handedness of the monosaccha"ide units p"esent.
A) B) ) D)
1/.Which of the following is a co""ect pai"ing of te"ms? hete"opol,saccha"ide and sta"ch homopol,saccha"ide and chitin b"anch$chain pol,saccha"ide and cellulose unb"anched$chain pol,saccha"ide and gl,cogen
A) B) ) D)
15.+n which of the following pol,saccha"ides a"e a ll gl,cosidic lin8ages of the 6 21→ ') t,pe? sta"ch cellulose gl,cogen am,lopectin
D)
!7.Which of the following statements conce"ning ca"boh,d"ates is correct ? (he, a"e the most abundant t,pe of biochemical substance in the human bod,. (he, a"e all pol,h,d"ox, aldeh,des4 pol,h,d"ox,8etones4 o" substances that ,ield such upon h,d"ol,sis. (he, can exist in left$handed and "ight$handed fo"ms4 with the left$handed fo"m being dominant in natu"e. (he, all hae a sweet taste and the"efo"e a"e also called suga"s.
A) B) ) D) <)
!1.Which of the following monosaccha"ides a"e aldohexoses? glucose f"uctose "ibose mo"e than one co""ect "esponse no co""ect "esponse
A) B) ) D) <)
!!.Which of the following statements conce"ning the D$ an d #$ fo"ms of a monosaccha"ide is incorrect ? (he, hae st"uctu"es that a"e nonsupe"imposable mi""o" images of each othe". (he, must contain the same numbe" of chi"al cente"s. (he, a"e enantiome"s. mo"e than one co""ect "esponse no co""ect "esponse
A) B) )
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A) B) ) D) <)
!&.Which of the following monosaccha"ides has a st"uctu"e in which two o" mo"e chi"al cente"s a"e p"esent? gl,ce"aldeh,de dih,d"ox,acetone glucose mo"e than one co""ect "esponse no co""ect "esponse
A) B) ) D) <)
!'.(he left$ and "ight$handed fo"ms of a monosaccha "ide with a single chi"al cente" a"e enantiome"s. diaste"eome"s. epime"s. mo"e than one co""ect "esponse no co""ect "esponse
A) B) ) D) <)
!*.Which of the following p"ope"ties would be the same fo" a pai" of enantiome"ic monosaccha"ides? inte"action with plane$pola"i0ed light boiling point solubilit, in wate" mo"e than one co""ect "esponse no co""ect "esponse
A) B) ) D) <)
!-.Which of the following monosaccha"ides has c,clic fo"ms that inole a -$membe"ed "ing? f"uctose galactose "ibose mo"e than one co""ect "esponse no co""ect "esponse
A) B) ) D) <)
!.+n which of the following disaccha"ides is a 6 21 lactose suc"ose maltose mo"e than one co""ect "esponse no co""ect "esponse
') gl,cosidic lin8age p"esent?
→
!/.Which of the following disaccha"ides p"oduces two diffe"ent monosaccha"ides upon
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A) B) ) D) <)
h,d"ol,sis? maltose suc"ose cellobiose mo"e than one co""ect "esponse no co""ect "esponse
A) B) ) D) <)
!5.Which of the following disaccha"ides does not hae two c,clic fo"ms 2alpha and beta)? suc"ose lactose maltose mo"e than one co""ect "esponse no co""ect "esponse
A) B) ) D) <)
&7.Which of the following ca"boh,d"ates will gie a p ositie Benedict=s test? galactose suc"ose sta"ch mo"e than one co""ect "esponse no co""ect "esponse
A) B) ) D) <)
&1.+n which of the following pai"s of ca"boh ,d"ates a"e both membe"s of the pai" pol,saccha"ides? cellulose and cellobiose sta"ch and gl,cogen am,lose and lactose mo"e than one co""ect "esponse no co""ect "esponse
A) B) ) D) <)
&!.+n which of the following ca"boh,d"ates a"e two diffe"ent t,pes of gl,cosidic lin8ages p"esent? gl,cogen lactose am,lose mo"e than one co""ect "esponse no co""ect "esponse
&&.Which of the following is a co""ect pai"ing of te"ms? A) sto"age pol,saccha"ide and cellulose B) st"uctu"al pol,saccha"ide and sta"ch ) acidic pol,saccha"ide and gl,cogen
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D) <)
mo"e than one co""ect "esponse no co""ect "esponse
A) B) ) D) <)
&'.Which of the following statements conce"ning the positioning of > @ g"oups in the ische" p"o;ection fo" #$glucose is correct ? "ight on both ca"bons ! and & "ight on both ca"bons & and ' left at ca"bon & and "ight at ca"bon * mo"e than one co""ect "esponse no co""ect "esponse
A) B) ) D) <)
&*.Which of the following statements conce"ning the positioning of > @ g"oups in the @awo"th p"o;ection fo" >D>glucose is correct ? up at ca"bons 14 &4 and * down at ca"bons !4 &4 and ' up at ca"bons 1 and & and down at ca"bons ! and ' mo"e than one co""ect "esponse no co""ect "esponse
Cse the following to answe" uestions &-$'*: +n each of the following multiple$choice uestions4 cha"acte"i0e
A) B) ) D)
&-.Ftatements: 21) Glucose is both a hexose and a 8etose. 2!) (he"e can nee" be mo"e than two enantiome"s fo" a molecule. 2&) All common disaccha"ides hae beta$one$fou" lin8ages. All th"ee statements a"e t"ue. (wo of the th"ee statements a"e t"ue. nl, one of the statements is t"ue. None of the statements is t"ue.
&.Ftatements: 21) omplete h,d"ol,sis of a oligosaccha"ide p"oduces onl, monosaccha"ides. 2!) "uctose4 galactose4 and "ibose a"e all hexoses.
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A) B) ) D)
2&) Both am,lopectin and gl,cogen a"e b"anched glucose pol,me"s. All th"ee statements a"e t"ue. (wo of the th"ee statements a"e t"ue. nl, one of the statements is t"ue. None of the statements is t"ue.
A) B) ) D)
&/.Ftatements: 21) Diaste"eome"s a"e ste"eoisome"s whose molecules a"e mi""o" images of each othe". 2!) Both c,clic fo"ms of glucose contain a six$membe"ed ca"bon "ing. 2&) omplete h,d"ol,sis of both maltose and cellobiose p"oduce the same molecule. All th"ee statements a"e t"ue. (wo of the th"ee statements a"e t"ue. nl, one of the statements is t"ue. None of the statements is t"ue.
A) B) ) D)
&5.Ftatements: 21) A ische" p"o;ection is a th"ee$dimensional notation fo" showing the spatial a""angements of g"oups of atoms about chi"al cente"s in a molecule. 2!) ,clic fo"ms of aldoses "esult f"om inte"molecula" hemiacetal fo"mation. 2&) All ph,sical p"ope"ties of enantiome"s a"e the same. All th"ee statements a"e t"ue. (wo of the th"ee statements a"e t"ue. nl, one of the statements is t"ue. None of the statements is t"ue.
A) B) ) D)
'7.Ftatements: 21) A positie (ollen=s test classifies a monosaccha"ide as a "educing suga". 2!) (he bond which lin8s the two monosaccha"ides of a disaccha"ide togethe" is a ca"bon$ ox,gen$ca"bon bond. 2&) Honosaccha"ides cannot be b"o8en done into simple" units b, h,d"ol,sis "eactions. All th"ee statements a"e t"ue. (wo of the th"ee statements a"e t"ue. nl, one of the statements is t"ue. None of the statements is t"ue.
'1.Ftatements: 21)
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D)
None of the statements is t"ue.
A) B) ) D)
'!.Ftatements: 21) ellulose and am,lose a"e glucose pol,me"s which diffe" in the t,pe of gl,cosidic lin8age p"esent. 2!) All monosaccha"ides a"e eithe" aldoses and 8etoses. 2&)
A) B) ) D)
'&.Ftatements: 21) (he te"m suga" is a gene"al designation fo" both monosaccha"ides and disaccha"ides. 2!) (he 9highest$numbe"ed chi"al cente" in a monosaccha"ide is used to dete"mine D$ o" #$configu"ation. 2&) Fuc"ose is a "educing suga" and lactose is a non"educing suga". All th"ee statements a"e t"ue. (wo of the th"ee statements a"e t"ue. nl, one of the statements is t"ue. None of the statements is t"ue.
A) B) ) D)
''.Ftatements: 21) Hi""o" images of an achi"al molecule a"e identical. 2!) All c,clic monosaccha"ides can exist in alpha$ and beta$configu"ations. 2&) Eeaction of an alcohol with a c,clic monosaccha"ide p"oduces a gl,coside. All th"ee statements a"e t"ue. (wo of the th"ee statements a"e t"ue. nl, one of the statements is t"ue. None of the statements is t"ue.
A) B) ) D)
'*.Ftatements: 21) (he biochemical basis fo" diffe"ent t,pes of blood is a s,stem of pol,saccha"ide ma"8e"s attached to "ed blood cell memb"anes. 2!) #actose intole"ance is a genetic condition caused b, excessie amounts of the en0,me lactase. 2&) Aspa"tame4 the most used a"tificial sweetene"4 is an undigestible t"isaccha"ide. All th"ee statements a"e t"ue. (wo of the th"ee statements a"e t"ue. nl, one of the statements is t"ue. None of the statements is t"ue.
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Cse the following to answe" uestions '-$*7: o" each of the compound cha"acte"i0ations4 select f"om the "esponse list an app"op"iate st"uctu"al fo"mula. Eesponses ma, be used mo"e than on ce o" need not be used at all. a) CH2 CH OH
OH
b) CH2 CH OH
CH
CH
CHO
OH OH OH
d) CH2 CH OH
CH2
OH OH
c) CH2 CH OH
CHO
CH CH
OH OH OH
CH2 OH
'-.An achi"al compound
'.A chi"al compound with one chi"al cente"
'/.A chi"al compound with two chi"al cente"s
'5./ ste"eoisome"s exist fo" this compound
*7.' diffe"ent #$ste"eoisome"s exist fo" this compound
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Cse the following to answe" uestions *1$**: o" each of the ste"eochemical desc"iptions4 select f"om the "esponse list an app"op"iate set of st"uctu"al fo"mulas. Eesponses ma, be used mo"e than once o" need not be used at all. a)
CHO
and
CHO
H
OH
HO
H
H
OH
HO
H
CH2OH b)
CHO
CH2OH CHO
and
H
OH
H
H
OH
HO
CHO
and
CHO
H
OH
H
H
OH
HO
CHO
H OH CH2OH
CH2OH d)
H CH2OH
CH2OH c)
OH
and
CHO
H
OH
H
OH
HO
OH
H
OH
CH2OH
CH2OH
*1.
*!.Hi""o" images
*&.Diaste"eome"s
*'.ptical isome"s
**.
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Cse the following to answe" uestions *-$-7: o" each of the disaccha"ides o" pol,saccha"ides4 select f"om the "esponse list the co""ect h,d"ol,sis p"oducts. Eesponses ma, be used mo"e than once o" need not be used at all. a) glucose onl, b) glucose and galactose c) glucose and f"uctose d) glucose and "ibose
*-.Fuc"ose
*.#actose
*/.ellulose
*5.Fta"ch
-7.Gl,cogen
Cse the following to answe" uestions -1$-*: o" each of the disaccha"ides o" pol,saccha"ides4 select f"om the "esponse list the co""ect cha"acte"i0ation of the t,pe of gl,cosidic lin8ages p "esent in the compound. Eesponses ma, be used mo"e than once o" need not be used at all. a) α 21 → ') onl, b) β 21 → ') onl, c) α 21 → ') and α 21 → -) d) α 4 β 21 → !) onl,
-1.Fuc"ose
-!.#actose
-&.ellulose
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-'.Am,lopectin
-*.hitin
Cse the following to answe" uestions --$7: o" each of the compound cha"acte"i0ations4 select an app"op"iate st"uctu"al fo"mula f"om the "esponse list. Eesponses ma, be used mo"e than once o" need not be used at all. a)
CH2OH OH
OH
O
OH OH b)
CH2OH OH
O
OCH3
OH OH c)
HOCH2 O OH OH OH
d)
HOCH2
CH2OH HO O
OH
OH
--.D$glucose
-.A beta monosaccha"ide
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-/.A gl,coside
-5.pen$chain fo"m is an aldopentose
7.pen$chain fo"m is a 8etohexose
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Answer Key 1. !. &.B '. *.A -.B .A /. 5.B 17.D 11.A 1!.B 1&. 1'. 1*.D 1-. 1. 1/.B 15.B !7.B !1.A !!.< !&. !'.D !*.D !-.B !.A !/.B !5.A &7.A &1.B &!.A &&.< &'.< &*.< &-. &.B &/. &5. '7.A '1.D '!.A '&.B ''.A
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'*.D '-.d '.a '/.d '5.c *7.c *1.a *!.a *&.b *'.a **.b *-.c *.b */.a *5.a -7.a -1.d -!.b -&.b -'.c -*.b --.a -.a -/.b -5.c 7.d
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