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Basic Biology Practice Test: Plant Diversity - The Evolution of Seed Plants
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Basic Biology Practice Test: Plant Diversity - The Evolution of Seed Plants
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25 Questions

1. Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1.sporophyte dominance, gametophyte independence 2.sporophyte dominance, gametophyte dependence 3.gametophyte dominance, sporophyte dependence
2. Which trait(s) is (are) shared by many modern gymnosperms and angiosperms? 1.pollen transported by wind 2.lignified xylem 3.microscopic gametophytes 4.sterile sporophylls, modified to attract pollinators 5.endosperm
3. Over human history, which process has been most important in improving the features of plants that have long been used by humans as staple foods?
4. Reptilian embryos are protected from desiccation by a leathery shell. Similarly, which pair of structures protects seed plants' embryos and male gametophytes, respectively, from desiccation?
5. Where in an angiosperm would you find a megasporangium?
6. Which of the following are structures of angiosperm gametophytes?
7. Which of the following sex and generation combinations most directly produces the fruit?
8. Given the differences between angiosperms and gymnosperms in the development of the integument(s), which of these statements is the most logical consequence?
9. Which of the following is true concerning flowering plants?
10. In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg?1.micropyle 2.style 3.ovary 4.stigma
11. Gymnosperms and angiosperms have the following in common except
12. The seeds of orchids are among the smallest known, with virtually no endosperm and with miniscule seed leaves. Consequently, what should one expect to be true of such seeds?
13. In addition to seeds, which of the following characteristics are unique to the seed-producing plants?
14. Carpels and stamens are
15. Within a gymnosperm megasporangium, what is the correct sequence in which the following should appear during development, assuming that fertilization occurs? 1.sporophyte embryo 2.female gametophyte 3.egg cell 4.megaspore
16. Which of the following sex and generation combinations most directly produces the pollen tube?
17. Hypothetically, one of the major benefits of double fertilization in angiosperms is to
18. In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a
19. Gymnosperms differ from both extinct and extant (living) ferns because they
20. Which of the following is a characteristic of all angiosperms?
21. Which of the following statements is true of the pine life cycle?
22. All of the following cellular structures are functionally important in cells of the gametophytes of both angiosperms and gymnosperms except
23. A botanist discovers a new species of land plant with a dominant sporophyte, chlorophylls a and b, and cell walls made of cellulose. In assigning this plant to a phylum, which of the following, if present, would be least useful?
24. Angiosperms are the most successful terrestrial plants. Which of the following features is unique to them and helps account for their success?
25. Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore?

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