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Table 23.2. THE DISTINGUISHING FEATURES OF FERNS
Table 23.2. THE DISTINGUISHING FEATURES OF EQUISETUMS
Answer to MCQ 1.Fern trees occur whereas moss trees do not because a.ferns do not require swimming sperm b.the moss sporophyte grows taller than the gametophyte c.the fern tree is a sporophyte, and the gametophyte grows low on the ground while the moss gametophyte grows relatively tall d.the fern spores are catapulted away from the sporophyte 2.The plant life cycle is categorized as a.Haplodiplontic b.Diplontic c.Haplontic d.Triplontic 3.The sporophytes of the hornworts a.are entirely independent of the gametophyte b.provide all of the nutrition for the gametophyte c.are entirely dependent upon the gametophyte d.provide part of the nutrition for the gametophyte 4.The mature male gametophyte of pine is a.as pollen grain b.the germinated pollen grain containing two sperm c.a tree bearing pollen d.the pollen producing cone 5.The mature female gametophyte of an angiosperm is a.the archegonium and its egg cell b.the ovule inside the ovary c.the carpel after pollination d.an embryo sac with eight nuclei and seven cells 6.Seedless vascular plants include a.Anthophyta b.Ginkophyta c.Cycadophyta d.Lycophyta e.Gnetophyta 7.In which of the following phyla are the sperm not motile? a.Cycadophyta b.Gnetophyta c.Ginkophyta d.Lycophyta e.Psilophyta 8.The plant classification level sometimes called division corresponds to the level of _______________ . a.Phylum b.Class c.Order d.Family e.Division 9.Which of the following is part of the gynoecium? a.Anther b.Filament c.Carpel d.Stamen e.Sepal 10.Which of the following do not have nutritionally independent gametophytes? a.Masses b.Iverworts c.Gnetophytes d.Hornworts e.Bryophytes 11.The specialized pores called _______________ allow carbon dioxide to enter a plant with a minimum loss of moisture. a.Setae b.Opercula c.Stomata d.Hornworts e.Styles 12.The process of double fertilization is unique to a.Angiosperms b.Cycads c.Gymnosperms d.Ginkos e.Ferns 13.In plant life cycles, which of the following sequences is correct? a.sporophyte, mitosis, spores, gametophyte b.spores, meiosis, gametophyte, mitosis c.gametophyte, meiosis, gametes, zygote d.zygote, sporophyte, meiosis, spores 14.Which of the following is not a vascular plant group? a.Gnetophyta b.Anthocerotophyta c.Psilophyta d.Sphenophyta e.Cycadophyta 15.In the Arctic, _______________ are the most abundant plants. a.Mosses b.Liverworts c.Hornworts d.Conifers e.Angiosperms 16.A characteristic feature of mosses, liverworts and hornworts is the presence of usually colorless projections called a.Rhizoids b.Micorrhizae c.Rhizomes d.Roots e.root hairs 17.The development of a vascular system in plants allowed: a.water to move from the roots to the leaves b.carbohydrates to move from the leaves to the roots c.a rigid structure that enabled plants to grow taller d.both a and b e.a, b, and c 18.The phylum of plants that includes mosses is: a.Hepaticophyta b.Anthocerophyta c.Bryophyta d.Pterophyta e.Lycophyta 19.Which of the following is not a characteristic of ferns? a.Ferns are seedless. b.Ferns are small plants. c.Most ferns grow in the tropics. d.Ferns need water for reproduction. e.All of the above are correct. Date: 2016-01-03; view: 1184
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