1
Created by Boundless
What adaptation have plants evolved that aids in their ability to colonize areas
away from the parent plant?
A
seed dispersal
B
pollen tubes
C
spore formation
D
protective coatings
2
Created by Boundless
Which of these has the evolution of seeds allowed plants to no longer be
dependent upon for reproduction?
A
water
B
spores
C
oxygen
D
sunlight
3
Created by Boundless
Which piece of evidence supports the hypothesis that angiosperms reached their
peak of evolution during the mid­Cretaceous period?
A
The discovery of fossilized pollen grains.
B
The disappearance of the dinosaurs from the fossil
record.
C
The appearance of many pollinating insects at the same
time.
D
The presence of small, woody bushes and tropical
grasses.
4
Created by Boundless
What structure does an angiosperm use to attract pollinators?
A
fruits
B
spores
C
seeds
D
flowers
5
Created by Boundless
Why were gymnosperms best able to withstand the very dry Permian period?
6
A
Dinosaurs used them as their primary food source.
B
Gymnosperms have bigger leaves that allow for more
transpiration.
C
The dry conditions put them into a state of dormancy.
D
The development of seeds reduced their reliance upon
water.
Created by Boundless
Gymnosperm seeds are:
A
enclosed and held within flesh structures called fruits
B
unenclosed and carried on structures called cones
C
enclosed and called microspores in their unfertilized state
D
unenclosed and called pollen in their unfertilized state
7
Created by Boundless
Which of these describes a plant that is monoecious?
A
Male & female gametophytes develop from sporophytes.
B
Male & female gametophytes develop from the same
cones.
C
Male & female gametophytes are made by separate
cones on different plants.
D
Male & female gametophytes are made by separate
cones on the same plant.
8
Created by Boundless
Which of these describes what happens during conifer reproduction immediately
after the pollen lands on the female cone?
A
Pollen grains are formed from the microspore
B
A megaspore undergoes meoisis
C
The diploid egg gives rise to the embryo
D
A pollen tube begins to grow
9
Created by Boundless
Why are conifers well­suited for living in cold, dry climates?
A
Their vast numbers offer many opportunities for
reproduction.
B
They have broad, wide leaves that encourage
transpiration.
C
Their green color offers them a lot of protection against
herbivores.
D
They have needle­like leaves that reduce evaporation.
10
Created by Boundless
What do gnetophytes have that show that they are closely related to angiosperms?
A
microspores
B
needle­like leaves
C
flowers
D
vessel elements
11
Created by Boundless
What is the main advantage that fruit development has provided angiosperms?
A
dispersal
B
flower production
C
ornamentalism
D
12
human agriculture
Created by Boundless
Key features used to classify Angiosperms as monocots or dicots do NOT include:
A
photosynthesis capability
B
flower arrangement
C
cotyledons
D
pollen grains
13
Created by Boundless
Which of the following structures do NOT form part of (or have any relation to) the
sexual organs inside a flower?
A
styles, stigmas, and ovules
B
gynoecium and stamens
C
megaspores and gametophytes
D
peduncles and sepals
14
Created by Boundless
In double fertilization, unique to the angiosperm lifecycle, the end result is:
A
synergids.
B
a zygote and endosperm.
C
the development of a diploid cell.
D
the combination of two sperm and three eggs.
15
Created by Boundless
Cross­pollination is:
A
mostly achieved by only a few monoecious species.
B
mediated by wind or water.
C
aided by self pollination.
D
responsible for decreasing genetic diversity.
16
Created by Boundless
Which of the following is NOT a threat to plant biodiversity?
17
A
industrialization
B
heirloom seed sequestration
C
rapid deforestation
D
species extinction
Created by Boundless
Which of the following statements on the importance of seed plants is NOT
correct?
A
Plant secondary metabolites have been instrumental in
the development of therapeutic drugs.
B
A large portion of plant crops are exhausted on animal
agriculture.
C
Plants form the basis for many diets worldwide.
D
Human reliance on seed plants is a fairly modern
development.
18
Created by Boundless
Plants have developed:
A
a successful relationship with water pollination.
B
specialized adaptations to enable them to attract suitable
pollinators.
C
the ability to quickly adapt to the extinction of its
pollinator.
D
the ability to self­pollinate in over 80% of plant species.