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Chapter 30: Plant Diversity II: The Evolution of Seed Plants
 
Pre-Test
 

Pre-Test


1 .       Which one of the following organisms has both gametophyte and sporophyte stages in its life cycle but spends the largest fraction of that life cycle in the gametophyte stage? (Concept 30.1E-Book) [Hint]

 moss
 green alga (Ulva)
 gymnosperms
 angiosperms
 fern
2 .       When you look at a pine or maple tree, the plant you see is _____. (Concept 30.1E-Book) [Hint]

 haploid sporophyte
 diploid sporophyte
 haploid gametophyte
 diploid gametophyte
 none of the above
3 .       All seed plants _____. (Concept 30.1E-Book) [Hint]

 produce flowers
 are heterosporous
 produce antheridia and archegonia on the same gametophyte
 exhibit a dominant gametophyte generation
 are nonvascular
4 .       The adaptation that made possible the colonization of dry environments by seed plants is most likely the result of the evolution of _____. (Concept 30.1E-Book) [Hint]

 ovules
 pollen
 heterospory
 sporophylls
 cones
5 .       Gymnosperms were most abundant during the _____. (Concept 30.2E-Book) [Hint]

 Paleozoic
 Precambrian
 Cenozoic
 Carboniferous
 Mesozoic
6 .       In pine, the embryo develops within the _____. (Concept 30.2E-Book) [Hint]

 female gametophyte
 male gametophyte
 manogametophyte
 microsporophyll
 staminate cone
7 .       The major difference between angiosperms and gymnosperms comes from the _____. (Concept 30.3E-Book) [Hint]

 presence or absence of a protective covering over the ovule
 presence or absence of vascular structures
 presence or absence of alternation of generations
 dominance or lack of dominance of the sporophyte generation
 production of microspores versus megaspores
8 .       Angiosperms are different from all other plants because only they have _____. (Concept 30.3E-Book) [Hint]

 a vascular system
 flowers
 a life cycle that involves alternation of generations
 seeds
 a sporophyte phase
9 .       Unlike most angiosperms, grasses are pollinated by wind. As a consequence, some unnecessary parts of grass flowers have almost disappeared. Which of the following parts would you expect to be most reduced in a grass flower? (Concept 30.3E-Book) [Hint]

 ovaries
 petals
 anthers
 carpels
 stamens
10 .       Human survival literally depends on the produce of _____. (Concept 30.4E-Book) [Hint]

 angiosperms
 gymnosperms
 ginkgoes
 cycads
 gnetophytes





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