《生命科学概论I》练习题

《生命科学概论I》练习题学号：3150105343 姓名：程臣成绩：Making choicesPlace your answer(s) in the space provided. Some questions may be have more than one correct answer.Chapter 231.The study of the diversity of organisms and their evolutionary relationships is ( C )a.taxonomy d.determinismb.nomenclature e.classificationC.systematics2.( D ) is the classification of organisms based on the number of characters they sharea.Taxonomy d.Pheneticsb.Phylogeny e Evolutionary systematicsc.Systematics3. Which of the following groups includes the largest number of organisms? ( d )a.class d.phylumb.phylum e.familyc.order4. The systematist would be most interested in ( c )a.lumping taxa d.ontogenyb.splitting taxa e.ancestriesc. evolutionary relationships5.Which organisms are placed in kingdom Prokaryotae? ( ad )a.bacteria d.archeab.plants e.protistsc.fungi6.Which classification scheme groups organisms into clades based on evolutionary relationships? ( e )a.barcode d.parsimonyb.phenetics e.PhyloCodee.cladism7.Shared ancestral characters ( a )a.can be used to determine when two groups diverged.b.can be used to distinguish various classes of vertebrates.c.are evidence of convergent evolution.d.will be homoplastic.e.are used in establishing barcodes.8.Which of the following is/are used extensively by the molecular biologist to determine relationships? ( bd )a.carbohydrates. d.proteins.b.nucleic acids. e.hormones.c.lipids.9.The system of binomial nomenclature was developed by ( b )a.Charles Darwin. d.Carl Woese.b.Carolus Linnaeus. e.Waston and Crick.c.Paul Hebert.10.Which statement is incorrect? ( e )a.A cladogram tells us how recently two groups shared a common ancestor.b.Systematists use statistical probability,maximum likelihood,in establishing taxonomicrelationships.c.A specific epithet can be used in more than one binomial classification.d.Protists are no longer placed in a single kingdom.e.A taxon is formal grouping of organisms that cannot be separated into subgroups.Chapter 241.Viruses ( abcde )a.are acellular. d.do not produce rRNA.b.do not carry on metabolic activities. e.are not included in any of the three domains.c.can only reproduce when occupying a cell.2.A virulent virus ( acd )a.has a lytic cycle. d.degrades its host cell’s nucleic acids.b.can reproduce outside of cells. e.invade but do not destroy their host cell.c.cause disease.3.Viruses ( a d e )a.can be cultured in the laboratory using bacteria.b.gave rise to prions.c.respond to treatment with antibiotics.d.are called prophages when their genome is integrated into the host DNA.e.may have an envelope made of the host-cell plasma membrane.4.When a host bacterium exhibits new properties because of a prophage,the phenomenon is called ( a )a.lysogenic conversion.() D.viroid induction.b.assembly. e.reverse transcription.c.transduction.5.Viruses are usually grouped (classified) ( ab d )a.from species to orders. d.into families with the suffix viridae.b.based on their host range. e.in the traditional Linnean system.n c.into cellular and acellular groups.6.The characteristic(s) of life that viruses do not exhibit is/are ( bde)a.presence of nucleic acids. d.a cellular structure.b.independent movement. e.independent metabolism.c.reproduction.7.A small,circular piece of DNA that is separate from the main chromosome is ( a )a.called a plasmid. d.found in archaebacteria and cyanobacteria,but not eubacteria.b.a mesosome. e.found in gram-negative,but not gram-positive bacteria.c.responsible for photosynthesis.8.Prions ( abce )a.are protein particles d.have either a DNA or RNA core.b.can arise spontaneously as the result of a mutation e.can cause cells to malfunctionc.induce PrP proteins to fold abnormally9.The coat surrounding the nucleic acid core of a virus is ( abe )a.a capsid. d.a viral envelope.b.made of protein. posed of capsomeres.c.a virion.10.An important difference between virulent and temperate viruses is that only the temperate virus ( c )a.destroys the host cell. d.contains DNA.b.lyses the host cell. e.infects eukaryotic cells.c.does not always lyse host cells in the lysogenic cycle.11.The virus that causes AIDS and some types of cancer is a/an ( de )a.paramyxovirus. d.retrovirus.b.herpesvirus. e.RNA virus.c.adenovirus.Chapter 251.Prokaryotes ( acd e )a.are cellular organisms. d.are divided into three domains.b.may have finmraie. e.may be gam-positive organisms.c.may transfer genetic information horizontally.2.Conjugation ( bde )a.is a form of asexual reproduction.. d.is an example of horizontal gene transfer.b.occurs in bacteria. e.contributes to genetic variation.c.is the exchange of plasmids.3.Autotrophs include ( e )a.the majority of prokaryotes. d..decomposersanisms relying on organic compounds as a carbon source. e.cyanobacteriac.most bacterial pathogens4.Prokaryote taxonomy relies on ( abde )a.genomic sequencing. d.molecular data.b.RNA sequencing. e.nutritional source.c.the use of bioflims.5.The pathogen responsible for causing stomach ulcers is ( e )a.Bordetella pertussis d.Yersinia pestisb.Bacillus anthracis e.Helicobacter pyloric.Salmonella typhi6.The disease MRSA is caused by ( ad )a.Staphylococcus aureusb.plasmid transfer between gram negative bacteria.c.normal microbiota.d.a drug resistant bacterium.e.a symbiotic relationship between S.pneumonia and E.coli7.The possible shape for a prokaryote organism is ( abcde )a.bacillus d.coccusb.vibrio e.spirillumc.spirochete8.The majority of bacteria are ( b )a.autotrophs. d.saprobes.b.heterotrophs. e.photosynthesizers.c.pathogens.9.Exchange of genetic material between bacteria sometimes occurs by ( bcde )a.fusion of gametes d.transfer of genes in bacteriophages.b.conjugation. e.transduction.c.incorporation by a bacterium of DNA fragments from another bacterium.10.A small,circular piece of DNA that is separate from the main chromosome is ( a )a.called a plasmid. d.found in archaebacteria and cyanobacteria,but not eubacteria.b.a mesosome. e.found in gram-negative,but not gram-positive bacteria.c.responsible for photosynthesis.11.Bacteria that retain crystal violet stain differ from those that do not retain the stain in having a( c )a.thick lipoprotein layer . d.cell wall.b.thick lipopolysaccharide layer. e.mesosomec.thicker peptidoglycan layer.12.Prokaryotic cells are distinguished from eukaryotic cells by ( a bc )a.absence of a nuclear envelope. d.absence of a plasma membrane.b.absence of mitochondria. e.bacteriorhodopsin in cell walls.c.absence of DNA in the genetic material.Chapter 261.Protists may be ( abcd )a.unicellular. d.eukayotic.b.colonial. e.Archaeac.simple multicellular organisms2.Mitochondria and chloroplasts are thought to have been derived from ( ce )plex viruses. d.intrasymbiotic eukaryotes.b.protozoa. e.aerobic bacteria.c.endosymbionts.3.Excavates ( cde )a.have ciliate d.obtain energy through fermentation.b.are colonial organisms. e.are flagellated.c.are generally endosymbionts.4.The Paramecium ( ab e )a.is a ciliate. d.possesses a pellicleb.is eukaryotic. e.has multiple nuclei.c.is colonial,sometimes multicellular.5.The parasite that causes malaria is in the phylum ( d )a.Ciliophora. d.Dinoflagellata.b.Apicomplexa. e.Euglenophytac.Sarcomastigophora6.A protozoan whose cells bear a striking resemblance to specialized cells in sponges is the( c )a.foraminiferan. d.ameba.b.diatom. e.radiolarian.c.choanoflagellate.7.One of the reasons that protists are placed in a separate kingdom is that many of them posses both plantlike and animal-like characteristics,which is particularly well-illustrated in the genus ( b )a.Paramecium d.Ameba.b.Euglena e.Didiniumc.Plasmodium8.Members of the genus Euglena ( ace )a.are flagellated. d.are heterotropic.b.do not possess a pellicle. e.are autotrophicc.possess chlorophyll.9.A symbiotic relationship in which both “partners”benefit is known as ( b )mensalism d.endosymbiosisb.mutualism. e.fraternism.C.parasitism10.A symbiotic relationship in which one “partner”benefits and the other is unaffected is known as ( a )mensalism d.endosymbiosisb.mutualism e.fraternismc.parasitism11.Protists can be found in the supergroup (ad )a.Chromalveolates d.Rhizariansb.Fungi e.Ciliatesc.Amoebozoas12.Red tide ( acd )a.is caused by a toxin produced by dinoflagellates.b.is caused by an organism in the supergroup excavates.c.is responsible for large fish kills.d.occurs in nutrient-rich,warm waters.e.occurs when apicomplexans infect marine invertebrates.13.The diploid stage of a Plasmodium life cycle occurs in ( e )a.humans d.miceb.red blood cells e.mosquitoesc.liver cells14.Because of their similarity to other organisms,water molds were once classified as ( c )a.bread molds d.algaeb.unikonts e.Rhizariansc.fungi15.Cellular slime molds ( acd )a.are unikonts d.are amoebozoab.reproduces by meiosis e.form a slug when conditions are not optimalc.reproduce using sporesChapter 271.Spores grow ( b )a.into gametophyte plants. d.to form a plant body by meiosis.b.into sporophyte plants. e.to form a plant body by mitosis.c.into a haploid plant.2.Plant all have ( a )a.chlorophyll a. d.carotene.b.chlorophyll b. e.yellow pigments.c.xanthophyll.3.A strobilus is ( ac d )a.on a diploid plant. d.found on horsetails.b.on a haploid plant. e.found on plants that do not have true leaves.c.on a vascular plant.4.The gametophyte generation of a plant ( bd )a.is diploid. d.produces haploid gametes by mitosis.b.is haploid. e.produces haploid gametes by meiosis.c.produces haploid spores.5.When a gamete produced by an archegonium fuses with a gamete produced by a male gametophyte plant,the result is ( bce )a.an anomaly. d.the first stage in the gametophyte generation.b.a diploid zygote. e.called fertilization.c.the first stage in the sporophyte generation.6.Plant sperm cells form in ( cd )a.diploid gametophyte plants. d.antheridiab.haploid sporophyte plants. e.archegoniac.haploid gametophyte plants.7.The leafy green part of a moss is the ( bd )a.sporophyte generation. d.product of buds from a protonema.b.gametophyte generation. e.thallus.c.rhizoid.8.The sporophyte generation of a plant ( ae )a.is diploid. d.produces haploid spores by mitosis.b.is haploid. e.produces haploid spores by meiosis.c.produces haploid gametes.9.Liverworts ( acd )a.are bryophytes. d.contain a medicine that cures liver disease.b.are vascular plants. e.are in the same class as hornwortsc.can produce archegonia and antheridia on a haploid gametophyte.10.The spore cases on a fern are (a c d )ually on the fronds. d.often arranged in a sorus.b.formed by the haploid generation. E.precursors to the fiddlehead.c.called sporangia.11.The leaves of vascular plants that evolved from stem branches ( ae )a.are megaphylls. d.contain one vascular strandb.are microphylls. e.contain more than one vascular strand.c.evolutionarily derived from stem tissue.nd plants are thought to have evolved from ( b )a.fungi. d.charophytes.b.green algae e.mossesc.bryophytes13.All plants ( abcde )a.have a cuticle covering the aerial portion of the plant. d.store starch.b.develop from multicellular embryos. e.evolved from a green algaec.are a monophyletic group.14.The water conducting portion of the plant vasculature is the ( d )a.phloem d.xylem.b.protonema e.gemmaec.microphyll15.Red algae,green algae,and land plants are collectively classified as ( b )a.charophytes. d.bryophytesb.archaeplastids e.Hepatophytac.Anthocerophyta16.Whisk ferns ( acde )a.are found mainly in the tropics and subtropics. d.are in phhlum Pteridophytab.are extinct. e.have vascularized stems.c.should be classified as reduced ferns.Chapter 281.The major difference between gymnosperms and angiosperms is that in gymnosperms( bc )a.self fertilization occurs. d.flowers generally have 4 or 5 sepals and petals.b.seeds are exposed(“naked”). e.the mature ovary is a fruit.c.there is no ovary wall surrounding ovules.2.The petals of a flower are collectively known as the ( a )a.corollab.androeciumb.calyx. e.florus perfecti.c.gynoecium.3.The sepals of a flower are collectively known as the ( b )a.corollab.androeciumb.calyx. e.florus perfecti.c.gynoecium.4.The triploid endosperm of angiosperms develops from fusion of ( a)a.two sperm and one polar nucleus. d.one diploid ovule and one haploid sperm.b.two polar nuclei and one sperm. e.one haploid egg and one diploid sperm.c.three polar nuclei.?5.Which of the following is/are correct about a pine tree? ( acde )a.Sporophyte generation is dominant. d.Nutritive tissue in seed is gametophyte tissue.b.Male gametophyte produces an antheridium. e.Pollen grain is an immature male gametophyte.c.Gametophyte is dependent on sporophyte for nourishment.6.A perfect flower has ( cde )a.stamens only. d.anthersb.carpels only. e.ovules.c.both stamens and carpels.7.In gymnosperms,the pollen grain develops from ( cd )a.microspore cells. d.the gametophyte generation.b.spores. e.meiosis of cells in the microsporangium.c.the male gametophyte.8.Dioecious plants with naked seeds,motile sperm,and whose pollen is carried by air or insects are ( be )a.ginkgoes d.gnetophytes.b.cycads. e.gymnospermsc.extinct.9.A pine tree has ( abcde )a.sporophylls. d.two sizes of spores in separate cones.b.megasporangia on the female cones. e.female cones that are larger than male cones.c.separate male and female parts on the same tree.10.In the angiosperms, of the four haploid megaspores that result from meiosis of the megasporemother cell,one of them becomes the ( bc )a.male gametophyte generation. d.archegonium.b.female gametophyte generation. e.antheridium.c.embryo sac.11.Seeds are reproductively superior to spores because seeds ( d )a.are single cells with stores nutrients. d.are protected by a seed coat.b.seeds live for an extended period of time. e.a seed is further developed than a spore.c.seeds have a reduced rate of metabolism.12.Like bryophytes and seedless plants,seed plants ( ae )a.have a life cycle with an alternation of generation. d.have a dominate sporophyte generation.b.have free living gametophytes. e.are heterosporous.c.a female gametophyte attached to the sporophyte generation.13.Humans use conifers ( abcde )a.for their wood. d.for medical purposesb.for the production of chemicals. e.for landscapingc.in some cases as a source of food.14.Many botanists think that female cones are modified ( d )a.megasporangia. d.branch systems.b.sporophylls. e.cycads.c.sieve tubes.15.The ancestors of all other flowering plants are thought to be ( c )a.seed ferns d.core angiospermsb.progymnosperms e.magnoliidsc.basal angiosperms.Chapter 291.Fungi ( acde )a.are heterotrophs. d.posses cell walls.b.are photoautotrophs. e.digest food outside their bodies.c.are eukaryotes.2.Fungal hyphae that contain two genetically distinct nuclei within each cell are known as ( ce )a.dihaploid. d.2n.b.disomic. e.n+n.c.dikaryotic.3.A lichen can be composed of a/an ( abcde )a.alga and fungus. d.alga and basidiomyceteb.photoautotroph and fungus. e.alga and ascomycete.c.cyanobacterium and ascomycete.4.A common fungal infection of the mucous membranes of the mouth,throat,or vagina is (e)a.an autoimmune response. d.ergotismb.St.Anthony’s fire. e.candidiasisc.histoplasmosis.5.Fungi can reproduce ( abce d )a.sexually. d.by simple divisionb.asexually. e.by budding.c.by spore formation6.The black fungus growing on a piece of bread ( ace )a.is heterothallic. d.has sporangia on the tips of stolons.b.has male and female strains. e.is in the phylum Zygomycota.c.has coenocytic hyphae.7.The genus Penicillium ( abd )a.is an ascomycete. d.produces the antibiotic penicillin.b.is a sac fungus. e.produces the flavor in Brie cheese.c.produces the flavor in Roquefort cheese.8.Lichens can be used as indicators of air pollution because they ( ad )a.cannot excrete absorbed elements. d.do not grow well in pollutes areas.b.tolerate sulfur dioxide. e.overgrow polluted areas.c.can endure large quantities of toxins.9.A mass of filamentous hyphae is called a ( b )a.hypha d.thallus.b.mycelium. e.ascocarp.c.conidium.10.Yeast participates in the brewing of beer by ( bd )a.adding vital amino acids. d.producing ethyl alcohol.b.fermenting grain sugars. e.converting barley to hops.c.fermenting fruit sugars.11.If you eat just any mushroom that you find in the wild,there’s a chance that you will abcdea.die. d.not become nauseated or die.b.become intoxicated. e.ingest the hallucinogenic drug psilocybin.c.see colors that aren’t really there.12.A fungus infection throughout the body obtained by exposure to bird dropping is likely( c )a.an autoimmune response. d.ergotism.b.St.Anthony’s fire. e.candidiasis.C.histoplasmosis.13.Chytrids(aka chytridiomycetes) ( acd )a.are fungi. d.have flagellated spores.b.are funguslike protists. e.are among the latest in their kingdom to evolve.c.inhabit damp or wet environments.14.Fungi can be found growing ( abcde )a.in moist habitats. d.where organic material is available.b.in tree and plant roots. e.in the wood of building.c.in the grasses of geothermal hot spring.15.The cell walls of fungi contain ( ae )a.carbohydrates. d.cutinaseb.lignin. e.chitinc.cellulose16.Coenocytic fungi ( a bc )a.are elongated d.roundb.multinucleated. e.have a single nucleus.ck septa.17.The clade opisthokonts includes ( bde )a.plants d.animals.b.fungi. e.choanoflagellates.c.amoebozoa.18.Terms associated with sexual reproduction in fungi include ( abd )a.plasmogamy. d.zygote nucleus.b.karyogamy. e.conidia.c.conidiophore.19.Features some fungi share with some plants include ( abce )a.a cell wall. d.active growth in dry condition.b.growth to enormous size. e.alternation of generation.c.asexual reproduction.20.Microsporidia ( abcde )a.infect eukaryotic cells. d.are opportunistic pathogens.b.were once assigned to protozoa. e.have two developmental stages.c.produce a polar tube.21.Species of yeast that are self-fertile are referred to as being ( e )a.heterothallic. d.multithallic.b.polythallic. e.homothallicc.unithallic.22.Terms associated with basidiomycetes include ( abcde )a.primary mycelium. d.gills.b.cytoplasmic streaming. e.”fairy rings”c.karyogamy.23.Mycorrhizae are symbiotic associations between ( d )a.fungi and bacteria. d.fungi and plant roots.b.fungi and grasses. e.fungi and grains.c.fungi and fruits.Chapter 331.Plants with the potential for living more than two years are called ( d )a.annuals. d.perennials.b.biennials. e.polyannuals.c.triennials.2.The most common type of cell and tissue found throughout the plant body is the ( a )a.parenchyma. d.vascular tissue.b.sclerenchyma. e.xylem.c.collenchyma.3.The kind of growth that results in an increase in the girth of the plant is known as ( e )a.differentiation. d.primary growth.b.elongation. e.secondary growth.c.apical meristem growth.4.All plant cells have ( ad )a.cell walls. d.primary cell walls.b.secondary growth. e.secondary cell walls.c.the capacity to form a complete plant.5.Hairlike outgrowths of plant epidermis are called ( d )a.periderm. d.trichomes.b.fiber elements. panion cells.teral buds.6.The types of cells in phloem include ( cde )a.tracheids. d.sieve tube elements.b.vessel elements. e.fiber cells.c.parenchyma.7.The cell type found throughout the plant body that often functions in photosynthesis,secretion, and storage is called ( c )a.sclerenchyma. panion cells.b.collenchyma. e.a tracheid.c.parenchyma.8.Increase in the girth of a plant is due to growth of the ( a be )a.vascular cambium. d.area of cell elongation.b.cork cambium. teral meristems.c.area of cell maturation.9.Localized areas of cell division resulting in plant growth are called ( b )a.primordia. d.primary growth centers.b.mitotic zones. e.secondary growth centers.c.meristems.10.The types of cells in xylem include ( abce )a.tracheids. d.sieve tube members.b.vessel elements. e.fiber cells.c.parenchyma.11.The soft tissue part of a plant and those that are often edible consist of ( b )a.sclerenchyma. d.collenchyma.b.parenchyma. e.lignin.c.periderm.12.Terms associated with collenchymal cells include ( d )a.storage. d.support.b.dead. e.thick primary cell walls.c.secretion.13.The most abundant polymer in the world is ( b )a.lignin. d.pectin.b.cellulose. e.lectin.c.suberin.14.In plants,the vascular tissue system ( abced )a.is embedded in the ground tissue. d.includes the xylem and phloem.b.vessel elements. e.has parts composed of dead cells.c.transports carbohydrates.15.Plasmodesmota are ( ab )a.connect cells of the phloem. d.connect cells of the xylem.b.are cytoplasmic connections. panion cells.c.are located in the periderm.16.Stomata allow the passage of ( bde )a.carbohydrates. d.carbon dioxide.b.water vapor. e.oxygen.c.glucose.17.Cork cambium ( acde )a.is composed of meristematic cell. d.is located in the outer bark.b.is part of the vascular cambium. e.is part of the periderm.c.contains storage cells.Chapter 341.Loss of water by evaporation from aerial plant parts is called ( a )a.transpiration. d.activation.b.guttation. e.aspiration.c.abscission.2.The “cement” that holds the primary cell walls of adjacent cells together is called the ( d )a.abscission zone. d.middle lamella.b.leaf scar. e.glial substance.c.adhesion layer.3.The portion of mesophyll that is usually composed of loosely and irregularly arranged cells is( bce )a.the palisade layer. d.toward the leaf’s upperside.b.the spongy layer. e.an area of photosynthesis.c.toward the leaf’s underside.4.The process by which plants secrete water as a liquid is ( c )a.evaporation. d.the potassium ion mechanism.b.transpiration. e.found only in monocots.c.guttation.5.The leaves of eudicots usually have ( bce )a.bulliform cells. d.special subsidiary cells.ted venation. e.bean-shaped guard cells.c.differentiated palisade and spongy tissues.6.Trichomes are found on/in the ( d )a.palisade layer. d.epidermis.b.spongy layer. e.guard cells.c.entire mesophyll.7.Facilitated diffusion of potassium ions into guard cells ( ade )a.requires ATP. d.occurs more in daylight than at night.b.closes stomates. e.indirectly causes pores to open.c.causes guard cells to shrink and collapse.8.In general,leaf epidermal cells ( abe )a.are living. d.are absent on the lower leaf surface.ck chloroplast. e.have a cuticle.c.protect mesophyll cells from sunlight.9.Factors that tend to affect the amount of transpiration include ( abcde )a.the cuticle. d.relative humidity.b.wind velocity. e.amount of light.c.ambient temperature.10.Guard cells generally (abc )a.have chloroplasts. d.are found only in monocots.b.form a pore. e.are found only in dicots.c.are found in the epidermis.11.Red water-soluble pigments in leaves are ( c )a.carotenoids. d.rhodophylls.b.xanthophylls. e.found only in monocots.c.anthocyanins.12.Proton pumps in the plasma membranes of guard cells are activated by ( ae )a.blue light. d.wavelengths in the 800-1,000 nm range.b.ultraviolet light. e.wavelengths in the 400-500 nm range.c.red light.13.Water diffuses into guard cells by means of ( e )a.voltage-activated ion channels. d.facilitated diffusion.b.proton pumps. e.osmosis.c.active transport.14.Monocots leaves ( ab ced )a.a palisade layer. d.have a spongy layer.b.have parallel veins. e.may have guard cells shaped like dumbbells.c.have evenly spaced veins on cross section.15.Terms associated with a leaf include ( bcde )a.axillary bud. d.stipules.b.blade. e.veins.c.petiole.16.Venation patterns may be ( ec )a.simple. d.alternate.b.opposite. e.pinnately netted.c.parallel.17.The bundle sheath is composed of ( ae )a.sclerenchyma cells. d.mesohyl.b.cambium. e.parenchyma cells.c.cork cambium.18.Water required for photosynthesis is obtained from ( b )a.reverse transpiration. d.subsidiary cells.b.soil. e.the interstitial space.c.guard cells.Chapter 351.Secondary xylem and phloem are derived from ( c )a.cork parenchyma. d.periderm.b.cork cambium. e.epidermis.c.vascular cambium.2.The outer portion of bark is formed primarily from ( d )a.cork parenchyma. d.periderm.b.cork cambium. e.epidermis.c.vascular cambium.3.If soil water contains 0.1% dissolved materials and root water contains 0.2% dissolved materials,one would expect ( abcd )a.a negative water potential in soil water. d.water to flow from soil into root.b.a negative water potential in root water. e.water to flow from root into soil.c.less water potential in roots than in soil.4.When water is plentiful,wood formed by the vascular cambium is ( ad )a.springwood. posed of large diameter conducting cells.b.summerwood. posed of thick-walled vessels.te summerwood.5.One daughter cell from a mother cell in the vascular cambium remains as part of the vascular Cambium,the other divides to form ( bd )a.secondary xylem or phloem. d.secondary tissue.b.wood or inner bark. e.primary xylem and phloem.c.outer bark.6.If a plant is placed in a beaker of pure distilled water,then ( bde )a.water will move out of the plant. d.water potential in the beaker is zero.b.water will move into the plant. e.water potential in the plant is less than zero.c.water pressure in the plant is positive relative to water in the beaker.7.The pull of water up through a plant is due in part to ( abcde )a.cohesion. d.transpiration.b.adhesion. e.a water potential gradient between the soil and the root.c.the low water potential in the atmosphere.8.Which of the following is/are true of monocot stems? ( abd )a.stem covered with epidermis. d.vascular bundles scattered through the stem.b.vascular tissues embedded in ground tissue. e.vascular bundles arranged in circles.c.stem has distinct cortex and pith.9.Which of the following is/are true of eudicot stems? ( ace )a.stem covered with epidermis. d.vascular bundles scattered through the stem.b.vascular tissues embedded in ground tissue. e.vascular bundles arranged in circles.c.stem has distinct cortex and pith.10.The area on a stem where each leaf is attached is called the ( b )a.bud scale. d.leaf scar.b.node. e.lenticel.teral bud.11.Sites of loosely arranged cells along the bark of a woody twig allow gases to diffuse into theStem.These are called ( e )a.bud scales. d.leaf scars.b.nodes. e.lenticels.teral buds.12.Terms associated with secondary growth include ( acde )a.an increase in girth. teral meristem.b.apical meristem. e.woody stems.。