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NEETREVISIONSERIES
CELL-THEUNITOFLIFE
ReviseMostImportantQuestionstoCrackNEET2020
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Q-1-13842034
Match column I with column II and selecrt the correct option from
the codes given below.
(A)A-(i),B-(iii),C-(iv),(D-(ii)
(B)A-(i),B-(iii),C-(ii),D-(iv)
(C)A-(iii),B-(i),C-(iv),D-(ii)
(D)A-(i),B-(iv),C-(ii),D-(iii)
ColumnI ColumnIIA. Leeuwenhoke (i) Firstsawanddescribedalivingcell
B. RobertBrown (ii) Presenceofcellwallisuniquetoplantcells
C. Schleiden (iii) Discoveredthenucleus
D. Schwann (iv) Allplantsarecomposedofdifferentkindsofcell
CORRECTANSWER:A
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Q-2-16189760
Which one is the largest unicellular organism
(A)Planaria
(B)Volvax
(C)Bluegreenalgae
(D)Yeast
CORRECTANSWER:D
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Q-3-23779910
Study of cell structure under microscope is
(A)Cytology
(B)CellBiology
(C)Cytochemistry
(D)Microanatomy
CORRECTANSWER:A
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Q-4-13842039
________ are self replicating, extra chromosomal segments of
double stranded circular and naked DNA, present in a bacterial cell.
(A)Plasmids
(B)Nucleoid
(C)Mesosomes
(D)Bacteriophages
CORRECTANSWER:A
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Q-5-16189743
T. Schwann and M. Schleiden were
(A)Dutchbiologists
(B)Englishbiologists
(C)Austrainbiologists
(D)Germanbiologists
CORRECTANSWER:D
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Q-6-23779961
Who proposed for the first time that cells are totipotent ?
(A)White
(B)Haberlandt
(C)Steward
(D)HalperinandWetherell
CORRECTANSWER:B
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Q-7-13842048
The type of ribosomes found in prokaryotes is
(A)80Stype
(B)70Stype
(C)30Stype
(D)50Stype
CORRECTANSWER:B
SOLUTION:
Thjecytoplasmicribosomesofprokaryotes(bluegreen
algae,bacteriaandPPLOs)are70S.Theyhavetwo
subunits50Sand30S.
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Q-8-24359724
Number of membrane(s) seperating intrathylakoid space from
cytoplasm is
(A)4
(B)3
(C)2
(D)1
CORRECTANSWER:B
SOLUTION:
Numberofmembrancesseperatingintrathylakoidspace
(lumen)fromcytoplasmare3.
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Q-9-16189795
Desmosomes are concerned with
(A)Celldivision
(B)Cellularexcreation
(C)Cytolysis
(D)Celladherence
CORRECTANSWER:D
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Q-10-13842031
The figures of cork cells as seen by Robert Hooke were published in
the book
(A)Originofspecies
(B)Speciesplantarum
(C)Generaplantrum
(D)Micrographia.
CORRECTANSWER:D
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Q-11-16189744
Who proposed the theory that "cells arise only from the pre-existing
cells"
(A)Mohl
(B)Virchow
(C)Hacekel
(D)Brown
CORRECTANSWER:B
SOLUTION:
Virchowgave'Omniscellulaacellula'theory.
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Q-12-13842029
The most likely method, used to determine the structural details of a
cell organelle is
(A)autoradiography
(B)microdissection
(C)electronmicroscopy
(D)phasecontrastmicroscopy.
CORRECTANSWER:C
SOLUTION:
Electronmicroscopeisthebestdevicetodetermine
thwestructuraldetailsofacell.Ifcanmagnifyobjects
upto250,000-400,000times.Itsresolvingpoweris
1000timesmorethanthelightmicroscope.This
resolutionisbecauseoflowwavelength of
electronbeamusedaslightsource.Electronmicroscope
iosmadeupofelectromagneticlenses.Thebeamof
(0.005nm)
el,ectronsisfocussedontheobjectswiththehelpofa
condenserlensandamagnifiedimageisfurther
magnifiedbyaprojectorlensandfinalimageis
producedonfluorescentscreen.
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Q-13-23779924
Who proposed the "Cell theory"
(A)Schwann
(B)Schleiden
(C)Swanson
(D)Jenssen
CORRECTANSWER:B
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Q-14-16189735
Pure fractions of cellular components can be isolated by
(A)Chromatography
(B)Scanningelectronmicroscopy
(C)X-raydiffraction
(D)Differentialcentrifugation
CORRECTANSWER:D
SOLUTION:
Differentialcentrifugation:Itisamechanicalsepartionof
individualsubcelluarcomponentfromhomogenatein
centrifugeatdifferentlowspeeds.Large/heavy/denser
particlessettledownfirstatlowerspeedswhilethe
lighter/smaller/lessdenserparticlesdosoathigher
speedsincentrifuge.
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Q-15-13842051
Polyribosomes are aggregation of
(A)ribosomesandrRNA
(B)peroxisomes
(C)severalribosomesheldtogetherbyastringofmRNA
(D)rRNA.
CORRECTANSWER:C
SOLUTION:
Ribosomesmayoccursinglyasmonosomesorin
rosettesandhelicalgroupscalledpolyribosomes.The
differentribosomesareformedduringperiodsofactive
proteinsynthesiswhenanumberofcopiesofthesame
polypeptidearerequired.
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Q-16-23779980
Functionally important dead cells are
(A)Corkcells
(B)Trachearyelements
(C)BothAandB
(D)Endothelialcells
CORRECTANSWER:C
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Q-17-13842221
Amitosis usually occurs in
(A)eukaryoticcells
(B)prokaryoticcells
(C)meristems
(D)sporemothercells.
CORRECTANSWER:B
SOLUTION:
Amitosisisamethodofdirectcelldivisioninwhichthe
nucleusdividesintotwodaughternucleiwithoutshowing
differentiationofchromosomesanddevelopmentof
spindle.Itiscommonlyseeninprokaryotes.
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Q-18-13842113
Which of the following represents the features of lysosomes ?
(A)AlowerpHthanthecytoplasm
(B)Redusedhydrolaseactivity
(C)Doublemembraneenvelope
(D)Allofthese
CORRECTANSWER:A
SOLUTION:
LysosomalenzymesfunctioninacidicmediumorpH
.ThispHislowerthanthatofcytoplasm.
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Q-19-23780028
4.5
Protoplasm is a
(A)Emulsion
(B)Complexcolloidalsolution
(C)Molecularsolution
(D)Suspension
CORRECTANSWER:B
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Q-20-13842119
Which of the following statements regarding sphaerosomes is not
correct ?
(A)Abundantintheendospermcellsofoilseeds
(B)Boundedbyasinglemembrane
(C)Takepartinsynthesisandstorageoflipids
(D)Takepartinphotorespiration
CORRECTANSWER:D
SOLUTION:
Sphaerosomesaresmallcellorganellsboundedby
singlemembranewhichtakepartinstorageand
synthesisoflipids.Sphaerosomesoccurabundantlyin
theendospermcellsofoilseeds.Chloroplast,
peroxisomeandmitochondriatakepartin
photorespiration.
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Q-21-13842111
Lysosomes are the reservoirs (store houses) of
(A)hydrolyticenzymes
(B)oxidativeenzymes
(C)secretoryglycoproteins
(D)RNAandproteins.
CORRECTANSWER:A
SOLUTION:
Lysosomesstorethehydrolysingenzymesofthecell.
Theimportantenzymesareacidphosphatases,
sulphatasesproteases,peptidases,nucleases,lipases
andglycosidases.
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Q-22-16189738
Which of the following is the exception of cell theory
(A)Bacteria
(B)Fungi
(C)Lichen
(D)Virus
CORRECTANSWER:D
SOLUTION:
Virusesarenotapplicabletocelltheory.Theyaremade
upofproteinsandoneofnucleicacidsi.e.,DNAorRNA.
Sotheylackprotoplasm,theessentialpartofthecell.
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Q-23-23779955
Cells which lose their nucleus during differentiation are
(A)Nervecells
(B)Musclecells
(C)Erthrocytes
(D)Leucocytes
CORRECTANSWER:C
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Q-24-13842084
Continuity of cytoplasm from cell is maintained through
cytoplasmic connection in plants called
(A)ER
(B)tightjunction
(C)gapjunction
(D)plasmodesmata.
CORRECTANSWER:D
SOLUTION:
Plasmodesmataarecytoplasmicbridgesbetween
adjacentplantcellswhichdevelopinminuteporesof
theirwalls.Theyformaprotoplasmiccontinuumcalled
symplast.Itprovideschannelsforcontrolledpassageof
smallsizedparticlesbetweenadjacentcellsaswellas
transferofsomespecificsignals.
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Q-25-16189761
Smallest known cell is
(A)Acetabularia
(B)Nostoc
(C)Chlamydomonas
(D)Pleuropneumonialikeorganism
CORRECTANSWER:D
SOLUTION:
Pleuro-pneumonialikeorganism(PPLO),Mycoplasma
gallisepticumishavinganaveragesizeof .
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Q-26-23780020
70S type of ribosome shows two units whose sedimentation
constants are
" " Or
Sub unit in prokaryotic ribosome is
0.150μ
(A)Sedimentationcoefficient
(B)Solubility
(C)Surfacearea
(D)Size
CORRECTANSWER:A
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Q-27-13842073
Who gave the lamellar or sandwich model of cell membrane ?
(A)SingerandNicolson
(B)DanielliandDavson
(C)J.Robertson
(D)Noneofthese
CORRECTANSWER:B
SOLUTION:
In1935,DanielliandDavsonproposedthatcell
membraneismadeofadoublelayerofphospholipid
moleculessandwichedbetweentwosinglelayersof
proteins.Thethreelayersareheldtogetherby
electrostaticforceswhilephospholipidlayersarekept
adheredbyvanderWaal'sforces.
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Q-28-16189736
Scientists were able to pinpoint the location of colour processing
centres in the visual cortex of the brain by means of
(A)PET
(B)NMR
(C)CT
(D)X-ray
CORRECTANSWER:A
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Q-29-23779936
Distinction of individual cells is absent in coenocytic organism
(A)Ultothrix
(B)Volvox
(C)Eshcerichia
(D)Rhizopus
CORRECTANSWER:D
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Q-30-13842033
Omnis cellula-e cellula' i.e., new cells arise from prexisting cells ,
this statement was given by
(A)SchleidenandSchwann
(B)RudolfVirchow
(C)RobertBrown
(D)RobertHooke.
CORRECTANSWER:B
SOLUTION:
RudolfVirchowmodifiedthecelltheoryandgavethe
conceptof'omniscellula-ecellula'-meansnewcells
developbydivisionofthepre-existingcells.Thisis
calledtheoryofcelllineageorcommonancestry.
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Q-31-23780001
The term protoplasm was coined by
(A)Corti
(B)Dujardin
(C)Purkinje
(D)Dutrochet
CORRECTANSWER:C
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Q-32-13842124
In which of the following parts of mitochondria succinic
dehydrogenase enzyme is located ?
(A)Perimitochondrialspace
(B)Outermembrane
(C)Matrix
(D)Innermembrane
CORRECTANSWER:D
SOLUTION:
Succinatedehydrogenaseisanenzymecomplex
involvedinTCAcycle,locatedininnermitochondrial
membrane.
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Q-33-16189751
Which one of the following pairs is not correctly matched
(A)Cristae""The"Shelves"formedbythefoldingofthe
innermembraneofthemitochondrion
(B)Plasmodesmata""Themembranesurroundingthe
vacuoleinplants
(C)Grann""Membranebounddiscsinchloroplaststhat
containchlorophyllsandcarrotenoids
(D)Middlelamella""Layerbetweenadjacentcellwalls
inplantsderivedfromcellplate
CORRECTANSWER:B
SOLUTION:
Becausethemembranewhichsurroundsthevacuoleis
knownastonoplast.
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Q-34-13842055
According to unit membrane structure, the thickness of plasma
membrane is about
(A)
(B)
(C)
(D)
CORRECTANSWER:C
SOLUTION:
AccordingtoRobertson'sconceptofunitmembrane,the
cellmembraneistrilaminar.Ithasathicknessofabout
withacentrallipidlayerof thcikandtwo
35 �
20 �
75 �
100 �
75 35
peripheralproteinlayersof each.
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Q-35-16189768
Middle lamella is made up of
(A)Cellulose
(B)Suberin
(C)Calciumandmagnesiumpectate
(D)Lignin
CORRECTANSWER:C
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Q-36-23779925
The living substance of cell was named sarcode by
20
(A)Corti
(B)Dujardin
(C)Lamarck
(D)Dutrochet
CORRECTANSWER:B
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Q-37-13842043
Glycocalyx (mucilage sheath) of a bacterial cell may occur in the
form of a loose sheath called _________ or it may be thick and
tough called ________.
(A)capsule,slimelayer
(B)slimelayer,capsule
(C)mesosome,capsule
(D)mesosome,slimelayer
CORRECTANSWER:B
SOLUTION:
Glycocalyx(mucilagesheath)istheoutermostlayerof
thebacterialwithcellenvelopewhichconsistsofnon-
cellulosicpolysaccharideswithorwithoutproteins.It
mayoccurinthefromofloosesheath,calledslimelayer.
Ifitisathickcovering,itiscalledcapsule.Glycocalyx
givesstickycharactertothecellandisnotabsolutely
essentialforsurvivalofbacteria.Itandvirusesand
servesinattachment.Itmaygiveselectiveadvantage
thoughincertainsituations.
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Q-38-23779944
Who proposed protoplasmic theory as opposed cell theory ?
(A)Virchow
(B)Schultze
(C)Sachs
(D)Strasburger
CORRECTANSWER:B
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Q-39-23779960
Morphogenesis in tissue culture was discovered by
(A)Gautheret
(B)SkoogandMiller
(C)Muiretal
(D)Stewardetal
CORRECTANSWER:B
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Q-40-13842045
Mesosomes are the infoldings of cell membrane, which
(i) are present in both prokaryotic and equkaryotic cells.
(ii) help in cell wall formation, DNA replication and respiration.
(iii) increase the surface area of plasma membrane.
(A)(i)and(ii)
(B)(ii)and(iii)
(C)(i)and(iii)
(D)(i),(ii)and(iii)
CORRECTANSWER:B
SOLUTION:
Mesosmesarepresentonlyinprokaryotes.
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Q-41-16189770
The internal layer joining the primary walls of the two adjacent cells
is known as
" " Or
The possibility of being outermost layer of cell is highest for which
of the following
(A)Plasmodesmata
(B)Middlelamella
(C)Periderm
(D)Casparianstrip
CORRECTANSWER:B
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Q-42-24359732
particles occur in
(A)Mitochondria
(B)Chloroplasts
(C)Ribosomes
(D)Roughendoplasmicreticulum
CORRECTANSWER:A
SOLUTION:
F1
particlesoccurinmitochondria.
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Q-43-13842066
Cell recognition and adhesion are facilitated by components of
plasma membrane. These components are generally
(A)proteinmoleculesalone
(B)lipidsalone
(C)bothlipidsandproteins
(D)glycolipidsandglycoproteins.
CORRECTANSWER:D
SOLUTION:
Prooteinshaveveryspecificshapeswhichmakethem
F1
idealasrececptormoleculesforchemicalsignalling
betweencells.Branchingsidechainglycolipidsonthe
outersurfaceofcellmembranesarealsoinvolvedin
cell-cellrecognition.
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Q-44-23779976
During defferentiation , RBCs lose
(A)Aerobicrespiration
(B)DNAreplication
(C)RNAsynthesis
(D)Alltheabove
CORRECTANSWER:D
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Q-45-16189808
Bulk drinking of fluid by cells is termed as
" " Or
The process of sucking of fluid from the cell surface is called
(A)Phagocytosis
(B)Pinocytosis
(C)Cyclosis
(D)Osmosis
CORRECTANSWER:B
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Q-46-13842062
Lipids are arranged within the membrane with
(A)polarheadstowardsinnersideandthehydrophobic
talistowardouterside
(B)bothheadsandtailstowardouterside
(C)headstowardoutersideandtailtowardsinside
(D)bothheadsandtailstowardsinnerside.
CORRECTANSWER:C
SOLUTION:
Inlipidbilayer,lipidsarearrangedwiththepolarhead
towardstheoutersideandthehydrophobic/non-polar
tailstowardstheinnerside.
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Q-47-23779967
Embryoids are
(A)Somaticembryo-likestructures
(B)Smallembryosthroughfertilisationinculture
(C)EarlyembryhostagesusedforPropagationintissue
culture
(D)Alltheabove
CORRECTANSWER:A
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Q-48-16189771
The strength and rigidity of a cell wall is due to the substance
known as
(A)Suberin
(B)Cellulose
(C)Lignin
(D)Pectin
CORRECTANSWER:C
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Q-49-23779941
A nucleus is absent in the mature
(A)Sievetubecells
(B)Mammalianerythrocytes
(C)Monocytes
(D)BothAandB
CORRECTANSWER:D
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Q-50-13842057
The best material for the study of structure of cell membrane is
(A)RBCofhuman
(B)livercell
(C)kidneycell
(D)musclecell.
CORRECTANSWER:A
SOLUTION:
RBCslacknucleusandmayothercellorganellesthus
theyarebestsuitedtostudycellmembranewithoutany
complication.
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Q-51-23779929
Micrographia was written by
(A)Grew
(B)Hooke
(C)Brown
(D)Lamarck
CORRECTANSWER:B
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Q-52-13842132
Which of the following is the correct match ?
(A)Amyloplasts-Storecarbohhydrates
(B)Elaioplasts-Storefastandoils
(C)Aleuroplasts-Storeproteins
(D)Allofthese
CORRECTANSWER:D
SOLUTION:
Leucoplastsarecolourlessplastidswhichgenerally
occurnewarthenucleusinthenon-greencellsand
possessinternallamellae.Therearethreetypesof
specialleucoplasts:
(i)amyloplastswhicharestarchcontainingleucoplasts,
e.g.,potatotuber.(ii)elaioplastsorlipidoplastsor
oleoplastswhicharecolourlessplastidsandstorelipids
e.g.,tuberose.(iii)aleuroplastsorproteoplastsor
proteinoplastswhichareproteinstoringplastids,e.g.,
aleuronecellsofmaizegrain,endospermcellsofcastor.
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Q-53-16189805
Which one of the following is not a constituent of cell membrane
(A)Cholesterol
(B)Glycolipids
(C)Proline
(D)Phospholipids
CORRECTANSWER:C
SOLUTION:
Prolineisasecondaryaminoacidwhichisnotfoundin
plasmamembrane.
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Q-54-13842064
The most abundant lipid in the cell membrane is
(A)cutin
(B)glycolipid
(C)steroid
(D)phosphoglycerides.
CORRECTANSWER:D
SOLUTION:
Thelipidcomponentofthecellmembranemainly
consistsofphosphoglycerides.
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Q-55-16189772
The most abundant substance of middle lamella is
(A)Suberin
(B)Cutin
(C)Lignin
(D)Pectin
CORRECTANSWER:D
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Q-56-16819765
[a=log12,b=log21,c=log11 and d=log22 then log((1)/(7)) can be
expr P(a-b)+Q(c-d) where P and Q are integers then the value of
(7P-Q) equals [ (A) 5, (D) 15]]
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Q-57-13842065
Which of the best way to separate intact chloroplast from green
leaves of angiospermic plant ?
(A)Petrol-ether
(B)Chloroform
(C)10%sucrosesolution
(D)Alcohol
CORRECTANSWER:D
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Q-58-23779943
A tissue having more non-living material than the living matter is
(A)Epithelialtissue
(B)Parenchyma
(C)Connectivetissue
(D)Nervoussystem
CORRECTANSWER:C
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Q-59-16189755
The size of most of the cells is best expressed in
(A)�
(B)Milimeters(mm)
(C)Nanometers(nm)
(D)Micrometers(μm)
CORRECTANSWER:D
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Q-60-13842071
According to the modern concept, cell membrane is
(A)solid
(B)quasifluid
(C)fluid
(D)solidifiedsheath.
CORRECTANSWER:B
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Q-61-23779974
Differentiated cells are
(A)Premitoticspecialised
(B)Post-mitoticspecialised
(C)Premeiotic-specialised
(D)Post-meioticspecialised
CORRECTANSWER:B
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Q-62-13842109
Which one of the mis-matched pair ?
(A)Largestisolated,singlecell-Eggofanostrich
(B)Golgiapparatus-DiscoveredbyAltman
(C)Mitochondria-NamewasgivenbyBenda
(D)Lysosomes-DiscoveredbydeDuve
CORRECTANSWER:B
SOLUTION:
GolgiapparatuswasdiscoveredbyCamilloGolginerve
cellsofbarnowlandcat.
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Q-63-24359704
Lysosomal enzymes are active at pH
(A)5
(B)7
(C)8
(D)Variable
CORRECTANSWER:A
SOLUTION:
LysosomeenzymesareactiveatacidicpH(lessthan7).
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Q-64-13842098
Which of the following cell organelles are named after the name of
its discoverer ?
(A)ER
(B)DNA
(C)Golgibodies
(D)Mitochondria
CORRECTANSWER:C
SOLUTION:
CamilloGolgifirstrecognisedthedenselystained
reticularstructuresnearthenucleusin1898.These
werelaternamedGolgibodiesafterhim.
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Q-65-16189781
The chemical substances found most abundantly in the middle
lamella is released into the phragmoplast by
(A)Endoplasmicreticulum
(B)Golgicomplex
(C)Spindlefragments
(D)Interzonalfibres
CORRECTANSWER:B
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Q-66-23780063
New cells have
(A)Bacterialfermentation
(B)Regenerationofoldcells
(C)Pre-existingcells
(D)Abioticmaterial
CORRECTANSWER:C
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Q-67-13842093
Mechanical support, enzyme circulation, protein synthesis and
detoxification of durgus are the function of
(A)dictyosomes
(B)chloroplast
(C)ribosomes
(D)ER.
CORRECTANSWER:D
SOLUTION:
ERfunctionascytoskeletonorskeletalframeworkby
providingmechanicalsupporttocolloidalcytoplasmic
matrix.Itconductsinformationfromcelltocell.RER
helpsinproteinsynthesis.SERtakespartin
detoxificationoftoxicchemicalinliver.
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Q-68-16189775
Identify the polysaccharide with -glycosidic bondsβ
(A)Starch
(B)Glycogen
(C)Sucrose
(D)Cellulose
CORRECTANSWER:D
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Q-69-13842101
These are the densely stained reticular stuctures present near the
nucleus, consisting of many flat, disc shaped cistemae of
diameter. These are
(A)chloroplasts
(B)endoplasmicreticulum
0.5 − 1.0μm
(C)mitochondria
(D)Golgiapparatus
CORRECTANSWER:D
SOLUTION:
CamilloGolgidiscoveredtheGolgiapparatusas
reticularstructure.Typically,itis in
diameterbutitsshapeandsizedependesuponthe
physiologicalstateofthecell.
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Q-70-16189787
Beet root if kept in cold water anthocyanin does not come out due
to plasma membrane
(A)Differentiallypermeable
0.5 − 1.0μm
(B)Impermeabletoanthocyanis
(C)Permeabletoanthocyanins
(D)Dead
CORRECTANSWER:B
SOLUTION:
Anthocyaninpigmentcannotcomeoutsidedueto
impermeabilityofplasmamembrane.
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Q-71-23780042
Living beings are made up of cells. This was first stated by
(A)Lamarck
(B)VonHelmont
(C)SchleidenandSachwann
(D)HugodeVires
CORRECTANSWER:B
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Q-72-13842096
Which organelle helps in the synthesis of lipids, chloesterol,
steroids and visual pigments in epithelial cells of retina ?
(A)Golgibodies
(B)RER
(C)SER
(D)Mitochondria
CORRECTANSWER:C
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Q-73-16189778
A protoplast is a cell
(A)Withoutnucleus
(B)Undergoingdivision
(C)Withoutcellwall
(D)Withoutplasmamembrane
CORRECTANSWER:C
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Q-74-23780056
Physical basis of life is
(A)Nucleoplasm
(B)Cytoplasm
(C)Plasmalemma
(D)Protoplasm
CORRECTANSWER:D
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Q-75-13842104
Which of the these is not a function of Golgi apparatus ?
(A)Siteofsynthesisofglycoproteinsandglycolipids
(B)Secrection
(C)Membranetransformation
(D)Siteofproteinsynthesis
CORRECTANSWER:D
SOLUTION:
TheGolgicomplexmodifies,sortsandpackages
proteinsandlipidscomingfromtheER.Packaging
involveswrappingthematerialbyamembrane,forming
secretoryvesicles.Siteofproteinsynthesisis
ribosomes.
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Q-76-16189779
What is the structural element of cell wall
(A)Matrix
(B)Microtubules
(C)Microfibrils
(D)Arabinogalactans
CORRECTANSWER:D
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Q-77-13842106
Cells which are secretory in function have abundant
(A)lysosomes
(B)endoplasmicreticulum
(C)dictyosomes
(D)osteosomes.
CORRECTANSWER:C
SOLUTION:
Dictyosomeisacup-shapedstructureofflattened
membranousvesiclesfoundinplantcell.Theymodify
proteinsfromtheER,andmayalsopolymerisesugarsto
polysaccharides.Theythenpackthesematerialsfor
deliverytodestinationswithinthecell,forsecretion,or
forstorage.
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Q-78-23780073
Who wrote the book ''Cells and Tissues'' and coined the term of
cytology
(A)RobertHooke
(B)Leeuwenhoek
(C)Hertwig
(D)Swammerdam
CORRECTANSWER:C
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Q-79-16189794
The type of cell juction which facilitates cell to cell communication
is
(A)Tightjunction
(B)Adheringjunction
(C)Gapjunction
(D)Desmosomes
CORRECTANSWER:C
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