__1. Which of the following is NOT true concerning plants?
a. There are at least 295,000 kinds of existing plants.
b. Plants affect the composition of the atmosphere.
c. Almost 750 plant species in the United States alone are now on the endangered list.
d. The colonization of the land by plants made it possible for animals to live and evolve on land.
e. Plants resupply atmospheric oxygen by splitting CO2 during photosynthesis.
__2. All of the following are characteristics of Monocots. Select the Exception:
a. leaf venation is web netted c. produces one cotyledons b. the vascular tissue is irregular d. flowers have 3 sets of petals
__2. All of the following are characteristics of Gymnosperms. Select the exception:
a. produce cones c. some have needle like leaves b. produce pollen d. have ovaries and ovules in the cone
__4. Which of the following is TRUE of xylem?
a. conducts water up the plant c. connects with phloem b. conducts nutrients up the plant d. connects with soil
__5. Which of the following is TRUE of phloem?
a. conducts water up the plant
b. conducts mineral ions up the plant e. transports plant-manufactured organic products
c. have nothing to do with roots
d. have noting to do with leaves
__6. The cuticle of a plant is primarily for
a. retention of water. c. absorption of carbon dioxide.
b. conduction of water. d. protection from strong sunlight.
__7. Which of the following is(are) specialization(s) that evolved in land plants that was(were) unnecessary in their aquatic ancestors?
a. xylem b. stomata c. roots d. all of the above
__8. Which of the following is NOT true of gametophytes?
a. They are haploid plants. d. They are a stage in the life cycle of plants.
b. They produce gametes. e. Their gametes are either male or female.
c. They are the result of sexual reproduction.
__9. Which of the following is TRUE of sporophytes?
a. They are haploid plants.
b. They produce gametes.
c. They are the result of sexual reproduction.
d. They are a minor stage in the life cycle of all plants.
e. all of these
__10. Which of the following are NOT seed-bearing plants?
a. cycads b. ferns c. ginkgos d. gnetophytes
__11. Gymnosperms
a. are heterosporous. c. produce megaspores.
b. produce microspores. d. produce male and female gametophytes.
__12. The key innovation that helped seed-bearing plants radiate to high, dry environments is
a. pollen. b. the cuticle. c. xylem. d. phloem. e. lignin.
__13. Which of the following is NOT true of seedless vascular plants?
a. Sporophytes are independent of gametophytes. c. Sporophytes have vascular tissue.
b. Water is not needed for gamete transport. d. They cannot exist in dry habitats.
____14. In horsetails, lycophytes, and whisk ferns,
a. spores give rise to gametophytes.
b. the main plant body is a gametophyte.
c. the sporophyte bears sperm- and egg-producing organs.
d. the gametophyte is the dominant stage in the life cycle.
e. all of these
__15. The various forms of algae, even though they do photosynthesis and have similar characteristics as plants; however are NOT considered plants because they
a. are not multicellular.
b. lack strengthened cell walls.
c. never have specialized tissues.
d. lack modifications that protect the gametes and zygote from drying out.
e. All of the above are differences that separate the algae from plants.
__16. Gymnosperm microspores mature directly into
a. ovules. b. seeds. c. pollen grains. d. cones. e. sperm cells.
17. Gymnosperm megaspores are produced
a. within ovules. c. by pollen grains. e. by the union of egg and sperm cells.
b. within seeds. d. by the gametophyte.
__18. Which of the following plants is NOT a Gymnosperm?
a. cycad b. spruce c. palm d. ginkgo e. gnetophyte
__19. A pine tree is
a. an angiosperm. c. a sporophyte.
b. a gametophyte. d. the dependent stage in the conifer life cycle.
__20. The first group with flowers are the
a. algae. b. fern allies. c. ferns. d. angiosperms. e. gymnosperms.
__21. Angiosperms are more advanced than gymnosperms because gymnosperms lack which structure found in angiosperms?
a. independent sporophyte b. flowers c. seeds d. pollen grains e. spores
__22. The rapid expansion of angiosperms late in the Mesozoic era appears to be related to their coevolution with
a. dinosaurs. b. gymnosperms. c. insects. d. mammals. e. birds.
__23. All of the following are characteristics of Angiosperms,EXCEPT:
a. are the most successful of all plants.
b. are the most diverse of all plants.
c. do not produce pollen
d. have embryos that are provided with food by an endosperm, a unique structure found only within the angiosperms.
e. produce flowers
__24. The life cycle of flowering plants includes all of the following EXCEPT:
a. formation of pollen. c. formation of cones e. fertilization.
b. formation of eggs. d. formation of seeds.
__25. Double fertilization produces a triploid tissue. This tissue is known as:
a. sperm tissue b. the embryo c. endosperms d. fruit
__26. The Liverworts belong to the group known as:
a. Sphenophyta b. Bryophyta c. Lycophyta d. Psilotophyta e. Gymnosperms
__27. The Horstails belong to the group known as:
a. Sphenophyta b. Bryophyta c. Lycophyta d. Psilotophyta e. Gymnosperms
__28. The Club Moss include both the:
a. Whisk fern/ferns b. horstails/ground pine c. hornworms/liverworts d. pines/ginkgos
__29. In the life cycle of the fern, the the__ is dominant, while in the life cycle of the moss, the ______ is kdominant.
a. gametophyte/sporophyte c. sporophyte/sporophyte
b. sporophyte/gametophyte d. gametophyte/gametophyte
__30. In the ___ the sporophyte is completely dependent on the gametopyte.
a. hornworts b. liverworts c. moss d. all of these e. none of these