UW Madison Bio 152 Exam 1 (Plants)
Questions And Answers 100% Pass
1. In both bryophytes and vascular plants, meiosis occurs in the dominant or most conspicuous
phase of the life cycle.
a) true
b) false - ANS b
In the life cycles of mosses and ferns, which of the structures are diploid? Select all that apply.
a) sporophyte
b) gametophyte
c) zygote
d) sperm
e) eggs - ANS a, c
Diploid (2n) cells in the _____ of mosses, ferns, gymnosperms, and angiosperms divide
meiotically and form haploid (1n) spores.
a) sporangium
b) gonad
c) zygote
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d) gametophyte - ANS a
Which of these is unique to flowering plants?
a) a dominant sporophyte generation
b) an embryo surrounded by nutritive tissue
c) haploid gametophytes
d) double fertilization
e) pollen production - ANS d
The male gametophytes of flowering plants are also referred to as...
a) sperm
b) carpels
c) pollen
d) stamen
e) angiosperms - ANS c
A stamen consists of...
a) anther and filament
b) stigma and style
c) stigma and anther
d) stigma and filament
e) ovary and sepal - ANS a
A pistil consists of...
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a) ovary, ovule, and anther
b) ovule, spore, and anther
c) zygote, anther, and endosperm
d) stigma, style, and ovary
e) petal, sepal, and stamen - ANS d
Both gymnosperms and angiosperms form seeds that can travel over long distances via wind or
water. Which of the options are benefits of seed production and dispersal? Select all that apply.
a) Seeds can introduce offspring into environments with ample light.
b) Seeds can introduce offspring into pathogen-free environments.
c) Seeds can introduce offspring into nutrient-rich environments.
d) Seeds can introduce offspring into environments beyond the range of spores. - ANS a, b, c
Which of the animals can serve as pollinators for some types of angiosperm? Select all that
apply.
a) Birds
b) Butterflies
c) Bats
d) Moths
e) Fish - ANS a, b, c, d
The pollen of seed-bearing plants and the spores of seedless vascular plants are both
transported by air. How do these structures differ? Select all that apply.
a) Spores are diploid individuals, whereas pollen grains are haploid.