Date:
Class:
Name:
Biologr Midterm
Multiple Choice
Identify tle ehoieethd bestcompletesthe stdementor wrswersthequestion.
l. Which of the following is NOT a goal of science?
t. to investigateandunderstandthe naturalworld
b. to explain ever$sin the naturalworld
o. to usedatato supporta partioularpoint ofview
d. to usederivedexplanationsto makeusefulpredictions
2. The work of scientistsusuallybeginswith
c. creatingexperiments.
a. testinga hypothesis.
d. drawing conclusions.
b. careful observations.
3. The mostabundantcompoundin most living things is
q. sodiq c.hloridg.
a, earton-dpxidP.
d. sugar.
b. water.
with a pH of 6 is called
4. A substanoe
c. both an aeid and a baso.
a. an acid.
d, neitheran acid nor a base.
b. abase.
is a
5. A monosaccharide
c. nuoleicacid.
a. carbohydrak.
d. protein.
b. lryrd.
6. What is the term usedto describethe energrneededto get a reactionstarted?
FEp-rW
e. s-ohEsiog
fl. adhesiqseoer8y
€,trergy
chemical
d.
b. activationenerry
7. Whicb of the following staiementsabouten:rymesis NoT true?
a- Enrrymeswork bes at a s.pecifiedpH'
b. All enzymeshavethe sameshapeastheir subsfates'
o. EnzYmesare Proteins.
d. The shapeof an enrymeal'lowsitto do its job.
E. Which of fre foll,owingsfatementsis tue *out catnl5nsfi?
a. Catalystsslow down the rateof chemicalreactions'
b. AII catalYstsare enzymes.
c. Catalystsare usedup during a chemicalreaction.
d. catalystslower the aetivationener&/of a chemicalreactfoa.
g. Enrymesaffect the reactionsin living cells by changingthe
c. temper4tureof tho reas'tionof the reaction
a. produCtsd. pH of the reaction'
b. spod ofthe reaction.
10. The work of Schleidenand Schwanncanbe swnmarizedby sayingthat
a. all planls aremadeof cells'
b. all animalsaremadeof cells.
c. pta*ts anda*imatshavespeeializedeells.
d. all plants andanimalsaremadeof cells'
11. The cell theoryaPPliesto
c. multicellular organisms.
L. bacteria.
& afiof,theabove
plants
animalsand
b.
I
B A
lft4
Name:
25. What arethe threepartsof an ATP molecule?
e. adenine,ribose,phosphategfoups
a. adenine,thYlakoids'stroma
d. NADH,NADPH, andFADHz
b. shom4 gran4 chloroPhYll'
A
B
e
D,
Figure 8-1
-
26. Look at Figure S-1. Al.l ofthe fol'lowing are partsof an ADFmolecule EXCEFI
c' sftuctmeC'
a. stnrcfire A.
strustureD'
d'
b. structureB'
27. Which scientistsshowedthatplants needlight to grow?
c. van Helmont andPriestley
a. van HelmontandCalvin
d. Ptiestleyand calvin
b. PriestleyandIngenhousz
ZB. Photosynthesisusessunlightto convertwater andcarbondioxide into
+ o.)sy.g€[.
b. high-enerrysugarsand starches.
a. ATP andotrygen'
d. o)rygenandhigh-enerrysugarsand starches'
29. The stromais the region outsidethe
a' Plantcells'
a. thYlakoids'
d' all ofthe above
b. chloroplasts.
30. What arethe productsof the ligbtdependentreactions?
c' NADPH
a- oxygengas
d' all of the above
b. ATP
31. What is the correstequationfor cellular respiration?
a. 6Oa+ Cellrz0s-r 6CQ +61IO + Enerry
b. 6O2+ C6I12O6+ Enerry + 6COr + 6t{2O
c. 5CO2+ 6I{20 + 602 + Cc}Ir2O6* Enerry
d. 6CO2+ 6H2O+ Enerry + 602 + CdlrrOs
32. Which of theseproc€ssestakesplacein the cytoplasmof a cell?'
s' Krebs eYcle
&. glyeolYsis
d. alloftheabove
b. elechontransport
33. The startingmoleculefor glycolysis is
c. citric asid.
a. ADP.
d" glucoseb. pynrvic acid.
ID: A
Name:
39. GregorMendel concludedthat traits are
t not inheritedbYoffsPring.
b- inheritedthroughthe passingof faotorsfrom parentsto offspring'
c. determinedby dominantfactorsonly'
only'
d. determinedbyreoessivefactors
40. The principle of dominancestatesthat
a. all allelesare dominant.
b. all allelesarerecessive.
c. someallelesaredominantandothersarereoessive'
d. aIIeIesare neitherdominantnor recessive'
generation
41. In the p generation,atall plant was crossedwith a shortplant. Shortplantsreappearedinthe Fz
because
a. someof the F2plantsproducedgametesthat canied the allele for shortnessb. the allele for shorhessis dominant.
whenthe F1plantsproduced
c. the allele for shorhessandthe allele for tallnesssegregated
gofllgto$r
d. they inheritedan altelefor Sortness&om oneparentandan alleb fortallnes$from the
other parent
T-t'
r
t
T
TT
n
T
m
It
TT
T
=
Tall
|
=
Short
Figure 11-I
42- In the punnettsquareshovmin Figsre 11-1, which of the following is true aboutthe offspring resuhingfrom
the cross?
c. About half are expectedto be tal[.
a. . About hatf are expectedto be short.
d. All are expeetadto be tetl.
b. All are orpectedto be short.
ID: A
Name:
Figure I?-1
Figure l2-l showsthe stucture of a(an)
L. DNAmoleoule.
b. amino acid.
o. RNAmoleeule.
d. protein.
c
Figure 12=2
4 7 . What iloe.sFigure 12-2 shs.rd?
a. anticodons
b. tfte order in whieh aminoaoidsare linked
c. the codefor splicing mRNA
d. the geneticcode
Howmau5rbasesareneededto qpecifftftree amino,acid$
c . 9
a . 3
d. r2
b . 6
7