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1

Which of these traits does not characterize plants?
A)cellulose cell walls
B)autotrophic
C)glycogen as a nutrient reserve
D)chlorophylls a and b
2

During alternation of generations, a plant alternates between ______________.
A)gametophyte and sporophyte
B)diploid and haploid
C)gamete-producer and spore-producer
D)All of these are correct.
3

One of the main criteria used to differentiate between major plant groups is ____________.
A)color
B)type of chlorophyll
C)presence of vascular tissue to transport water and nutrients
D)flower type
4

Plants most likely evolved from what group?
A)freshwater green algae called charophytes
B)red and brown algae
C)Chrysophyta
D)All of these groups gave rise to at least one group of land plants.
5

What trait(s) enabled plants to colonize dry land?
A)lignin reinforcing cell walls
B)vascular tissue
C)waterproof cuticle and stomata
D)All of these are correct.
6

At what point in evolutionary history did the coevolution of flowers and insects become important?
A)at the beginning of the Cambrian
B)during the Devonian period
C)about 90 million years ago
D)recently, around 100,000 years ago
7

The archegonium of a moss produces a(n) ___________.
A)abundant supply of sperm cells
B)flower
C)egg
D)spore
8

True or false. Most bryophyte reproduction occurs asexually.
A)True
B)False
9

What do bryophytes and ferns require for successful reproduction that other more complex plants do not?
A)high summer temperatures
B)a period of dormancy
C)free water in which sperm can swim to eggs
D)freezing temperatures to activate sperm cells
10

The bryophyte that has a thalloid life form and reproduces asexually by gemmae is the _________.
A)moss
B)liverwort
C)hornwort
D)All of these are correct.
11

How are the cells of hornworts different from the cells of other bryophytes?
A)interlocking
B)thick-walled
C)one chloroplast per cell
D)All of these are correct.
12

Peat moss is economically important because it is a significant ____________.
A)source of fertilizer
B)renewable energy source
C)habitat for other organisms
D)ecosystem
13

How do seedless vascular plants differ from bryophytes?
A)well-developed cuticle
B)vascular tissue
C)different life cycle
D)Both a and b are correct.
14

The largest group of seedless vascular plants are the ___________.
A)true ferns
B)horsetails
C)club mosses
D)whisk ferns
15

The simplest seedless vascular plants with no true leaves and no roots are the ______________.
A)true ferns
B)horsetails
C)club mosses
D)whisk ferns
16

True or false. One of the most significant events in the evolution of vascular plants was the origin of the seed.
A)True
B)False
17

The spores of a seed-bearing plant can give rise to a ______________.
A)male gametophyte
B)female gametophyte
C)sporophyte
D)Both a and b are correct.
18

The oldest living tree species is a ____________.
A)gingko
B)conifer
C)Gnetophyte
D)pine tree
19

True or false. The pine life cycle is so rapid that new seeds are sprouting only three months after pollination.
A)True
B)False
20

Angiosperms are the only plants that produce _____________.
A)pinnate leaves
B)flowers
C)sperm
D)seeds
21

The extinction of dinosaurs in the Tertiary period _____________.
A)coincided with a great loss of plant diversity
B)led to the rapid evolution of the cycads
C)was followed by an explosion of angiosperm evolution
D)was followed by a distinct increase in gymnosperm populations





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