Angiosperm Questions

Angio spermatozoon QuestionsJump to AnswersIdentify the letter of the choice that best completes the statement or answers the question.1. The products of meiosis in plants ar always which of the following?a.sporesb.eggsc. spermd. originse.both B and C2. Which of the following is the correct sequence during alternation of generations in a florescence plant?a.sporophyte-meiosis-gametophyte-gametes- salad dressing-diploid fertilized ovumb.sporophyte-mitosis-gametophyte-meiosis-sporophytec.haploid gametophyte-gametes-meiosis-fertilization-diploid sporophyted.sporophyte-spores-meiosis-gametophyte-gametese.haploid sporophyte-spores-fertilization-diploid gametophyte3. Which of the following is true in plants?a.Meiosis occurs in gametophytes to produce gametes.b.Meiosis occurs in sporophytes to produce spores.c.The gametophyte is the dominant generation in floweringing plants.d.Plants exist continually as any sporophytes or gametophytes.e.Male gametophytes and female gametophytes have th e very(prenominal) structure.4. All of the following are features of angiosperms shut outa.a polyploid endosperm.b.an ovary that becomes a fruit.c. sentient being pollination.d.a small (reduced) sporophyte.e.double fertilization.5. All of the following floral parts are directly involved in pollination or fertilization except thea.stigma.b.anther.c.sepal.d.carpel.e.style.6. A mutation in which of the following floral parts would have the greatest impact on pollination?a.sepalb.petalc.stamend.carpele.either C or D7. A mutation in which of the following floral parts would have the greatest potential impact on fertilization?a.sepalb.petalc. stamend.carpele.either C or D8. Which of the following is the correct order of floral organs from the outside to the inside of a complete flower?a.petals-sepals-stamens-carpelsb. sepals-stamens-petals-carpelsc.spores-gametes-zygote- embryod.sepals-petals-stamens-carpelse.male gametophyte-female gametophyte-sepals-petals9. All of the following are primary functions of flowers excepta. pollen production.b.photosynthesis.c.meiosis.d.egg production.e.sexual reproduction.10. Meiosis occurs at heart all of the following flower parts except thea.ovule.b.style.c.megasporangium.d.anther.e.ovary.11. A perfect flower is fertile, but may be either complete or incomplete. Which of the following correctly describes a perfect flower?a.It has no sepals.b.It has fused carpels.c.It is on a dioecious plant.d.It has no endosperm.e.It has both stamens and carpels.12. Which of the following types of plants is not able to self-pollinate?a.dioeciousb.monoeciousc.completed.wind-pollinatede. insect-pollinated13. In flowering plants, pollen is released from thea.anther.b.stigma.c.carpel.d.filament.e.pollen pipage.14. In the life cycle of an angiosperm, which of the following stages is diploid?a.macrosporeb.generative nucleus of a pollen grainc. pivotal nuclei of the embryo sacd.microsporocytee.both megaspore and polar nuclei15. Where does meiosis oc cur in flowering plants?a.megasporocyteb.microsporocytec.endospermd.pollen tubee.megasporocyte and microsporocyte16. Which of the following is a correct sequence of processes that takes place when a flowering plant reproduces?a.meiosis-fertilization-ovulation-germinationb.fertilization-meiosis-nuclear fusion-formation of embryo and endospermc.meiosis-pollination-nuclear fusion-formation of embryo and endospermd.growth of pollen tube-pollination-germination-fertilizatione.meiosis-mitosis-nuclear fusion-pollen17. Which of these is incorrectly paired with its life-cycle generation?a.anther-gametophyteb.pollen-gametophytec.embryo sac-gametophyted.stamen-sporophytee.embryo-sporophyte18. Which of the following is the correct sequence of events in a pollen sac?a.sporangia-meiosis- both haploid cells-meiosis-two pollen grains per cellb.pollen grain-meiosis-two generative cells-two tube cells per pollen grainc.two haploid cells-meiosis-generative cell-tube cell-fertilization-pollen graind.po llen grain-mitosis-microspores-meiosis-generative cell plus tube celle.microsporocyte-meiosis-microspores-mitosis-two haploid cells per pollen grain19. Which of the following occurs in an angiosperm ovule?a.An antheridium forms from the megasporophyte.b.A megaspore mother cell undergoes meiosis.c.The egg nucleus is usually diploid.d.A pollen tube emerges to accept pollen after pollination.e.The endosperm surrounds the megaspore mother cell.20. Where and by which process are sperm produced in plants?a.meiosis in pollen grainsb. meiosis in anthersc.mitosis in male gametophytesd.mitosis in the micropylee.mitosis in the embryo sac21. In which of the following pairs are the two terms equivalent?a.ovule-eggb.embryo sac-female gametophytec.endosperm-male gametophyted.seed-zygotee.microspore-pollen grain22. Which of the following is the male gametophyte of a flowering plant?a.ovuleb.microsporocytec.pollen graind.embryo sace.stamenThe following questions refer to the plat of an embryo sac of an angiosperm.23. Which cell(s), after fertilization, give(s) rise to the embryo plant?a.Ab.Bc.Cd.De.E24. Which cell(s) become(s) the triploid endosperm?a.Ab.Bc.Cd.De.E25. What is the relationship between pollination and fertilization in flowering plants?a.Fertilization precedes pollination.b.Pollination easily occurs between plants of different species.c.Pollen is formed deep down megasporangia so that male and female gametes are near each other.d.Pollination brings gametophytes together so that fertilization can occur.e.If fertilization occurs, pollination is unnecessary.26. Genetic repugnance does not affect thea.attraction of a suitable insect pollinator.b.germination of the pollen on the stigma.c.growth of the pollen tube in the style.d.membrane permeability of cells.e.different individuals of the same species.27. The integuments of an ovule function to do what?a.protect against animal predationb.ensure double fertilizationc.form a seed coatd.both A and Be.both A and C28. A fruit includesa.one or more seeds.b.the ovary wall.c.fleshy cells sizeable in sugars.d.brightly colored pigments to attract animal dispersers.e.both A and B29. Which of the following is not an advantage of an extended gametophyte generation in plants?a.Male gametophytes can travel more easily inwardly spore walls.b.The protection of female gametophytes within ovules keeps them from drying out.c.The lack of need for swimming sperm makes life on land easier.d.Female gametophytes develop egg cells, which are fertilized within an ovule that will become a seed.e.Endosperm forms a protective seed coat.30. What is typically the result of double fertilization in angiosperms?a.The endosperm develops into a diploid nutrient tissue.b.A triploid zygote is formed.c.Both a diploid embryo and triploid endosperm are formed.d.Two embryos develop in every seed.e.The fertilized antipodal cells develop into the seed coat.31. Which of the following statements regarding the endosperm is false?a.Its nut rients may be absorbed by the cotyledons in the seeds of eudicots.b.It develops from a triploid cell.c.Its nutrients are digested by enzymes in monocotyledon seeds following hydration.d.It develops from the fertilized egg.e.It is rich in nutrients, which it provides to the embryo.32. What is the embryonic root called?a. plumuleb. hypocotylc.epicotyld.radiclee.shoot33. Which of the following vegetables is botanically a fruit?a.potatob. lettucec.radishd.celerye.green beans34. Which of these structures is unique to the seed of a monocot?a.cotyledonb.endospermc.coleoptiled.radiclee.seed coat35. Fruits develop froma.microsporangia.b.receptacles.c.fertilized eggs.d.ovaries.e.ovules.36. The first step in the germination of a seed is usuallya.pollination.b.fertilization.c.imbibition of water.d.hydrolysis of starch and other victuals reserves.e. emergence of the radicle.37. When seeds germinate, the radicle emerges before the shoot. This allows the seedling to quicklya.obtain a dependable w ater supply.b.mobilize stored carbohydrates.c.protect the emerging coleoptile.d.avoid etiolation.e.initiate photosynthesis.38. In plants, which of the following could be an advantage of sexual reproduction as opposed to asexual reproduction?a.genetic variationb.mitosisc.stable populationsd. rapid population increasee. greater longevity39. Regardless of where in the world a vineyard is located, in order for the winery to produce a Burgundy, it must use varietal grapes that originated in Burgundy, France. The most effectual way for a new California grower to plant a vineyard to produce Burgundy is toa.plant seeds obtained from French varietal Burgundy grapes.b.transplant varietal Burgundy plants from France.c.root cuttings of varietal Burgundy grapes from France.d.cross French Burgundy grapes with native American grapes.e.graft varietal Burgundy grape scions onto native (Californian) root stocks.40. Which of the following is not a scientific concern relating to creating genetically modify crops?a.Herbicide defense may spread to weedy species.b.Insect pests may evolve resistance to toxins more rapidly.c.Nontarget species may be affected.d.The monetary costs of growing genetically modified plants are significantly greater than traditional breeding techniques.e.Genetically modified plants may lead to unknown risks to human health.Angiosperm Reproduction QuestionsAnswer sectionalisationMULTIPLE CHOICE1. autonomic nervous system A poll apprehension 38.12. autonomic nervous system A hand excogitation 38.13. autonomic nervous system B TOP design 38.14. ANS D TOP Concept 38.15. ANS C TOP Concept 38.16. ANS E TOP Concept 38.17. ANS E TOP Concept 38.18. ANS D TOP Concept 38.19. ANS B TOP Concept 38.110. ANS B TOP Concept 38.111. ANS E TOP Concept 38.112. ANS A TOP Concept 38.113. ANS A TOP Concept 38.114. ANS D TOP Concept 38.115. ANS E TOP Concept 38.116. ANS C TOP Concept 38.117. ANS A TOP Concept 38.118. ANS E TOP Concept 38.119. ANS B TOP Concept 38.120. ANS C TOP Concept 38.121. ANS B TOP Concept 38.122. ANS C TOP Concept 38.123. ANS B TOP Concept 38.124. ANS C TOP Concept 38.125. ANS D TOP Concept 38.126. ANS A TOP Concept 38.127. ANS C TOP Concept 38.228. ANS E TOP Concept 38.229. ANS E TOP Concept 38.230. ANS C TOP Concept 38.231. ANS D TOP Concept 38.232. ANS D TOP Concept 38.233. ANS E TOP Concept 38.234. ANS C TOP Concept 38.235. ANS D TOP Concept 38.236. ANS C TOP Concept 38.237. ANS A TOP Concept 38.238. ANS A TOP Concept 38.339. ANS E TOP Concept 38.340. ANS D TOP Concept 38.4EABDCBDDBBEAA