Name: 
 

Chapter 30



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Plants with a dominant sporophyte are successful on land partly because
a.
having no stomata, they lose less water.
b.
they all disperse by means of seeds.
c.
diploid plants experience fewer mutations than do haploid plants.
d.
their gametophytes are protected by, and obtain nutrition from, the sporophytes.
e.
eggs and sperm need not be produced.
 

 2. 

Seeds commonly provide for each of the following except
a.
a choice of germination location.
b.
dispersal.
c.
dormancy.
d.
a nutrient supply for the embryo.
e.
desiccation resistance.
 

 3. 

Which of the following most closely represents the male gametophyte of seed-bearing plants?
a.
ovule
b.
microspore mother cell
c.
pollen grain
d.
embryo sac
e.
fertilized egg
 

 4. 

Which of these is most important in making the typical seed more resistant to adverse conditions than the typical spore?
a.
a different type of sporopollenin
b.
an internal reservoir of liquid water
c.
integument(s)
d.
ability to be dispersed
e.
waxy cuticle
 

 5. 

Gymnosperms differ from both extinct and extant ferns because they
a.
are woody.
b.
have macrophylls.
c.
have pollen.
d.
have sporophylls.
e.
have spores.
 

 6. 

Which of the following statements does not describe a portion of the pine life cycle?
a.
Female gametophytes use meiosis to produce eggs.
b.
Seeds are produced in ovulate (ovule-bearing) cones.
c.
Meiosis occurs in sporangia.
d.
Pollen grains contain male gametophytes.
e.
A pollen tube enters an ovule through a micropyle in the single integument.
 

 7. 

Arrange the following structures, which can be found on male pine trees, from the largest structure to the smallest structure (or from most inclusive to least inclusive).

1.
sporophyte
2.
microspores
3.
microsporangia
4.
pollen cone
5.
pollen nuclei
a.
1, 4, 3, 2, 5
b.
1, 4, 2, 3, 5
c.
1, 2, 3, 5, 4
d.
4, 1, 2, 3, 5
e.
4, 3, 2, 5, 1
 

 8. 

Which trait(s) is (are) shared by modern gymnosperms and angiosperms?

1.
pollen transported by wind
2.
tracheids
3.
microscopic gametophytes
4.
sterile sporophylls, modified to attract pollinators
5.
endosperm
a.
1
b.
1 and 3
c.
1, 2, and 3
d.
1, 3, and 5
e.
2, 4, and 5
 

 9. 

What is true of stamens, sepals, petals, and pine cone scales?
a.
They are female reproductive parts.
b.
None are capable of photosynthesis.
c.
They are modified leaves.
d.
They are found on flowers.
e.
They are found on angiosperms.
 

 10. 

Which of these would have been the most likely dietary staple for a 20-foot-tall, bipedal, herbivorous dinosaur of about 100 million years ago?
a.
moss gametophytes (Bryophyta)
b.
corn plants (Zea maize)
c.
cycads (Cycadophyta)
d.
giant club mosses (Lycophyta)
e.
watermelons (Anthophyta)
 

 11. 

Which of the following statements is not true of monocots?
a.
They are currently thought to be polyphyletic.
b.
The veins of their leaves are parallel to each other.
c.
They, along with the eudicots and basal angiosperms, are currently placed in the phylum Anthophyta.
d.
They possess a single cotyledon.
e.
All of the statements are true.
 

 12. 

Arrange the following structures from largest to smallest, assuming that they belong to two generations of the same angiosperm.

1.
ovary
2.
ovule
3.
egg
4.
carpel
5.
embryo sac
a.
4, 2, 1, 5, 3
b.
4, 5, 2, 1, 3
c.
5, 4, 3, 1, 2
d.
5, 1, 4, 2, 3
e.
4, 1, 2, 5, 3
 

 13. 

Hypothetically, one of the major benefits of double fertilization in angiosperms is to
a.
decrease the potential for mutation by insulating the embryo with other cells.
b.
increase the number of fertilization events and offspring produced.
c.
promote diversity in flower shape and color.
d.
coordinate developmental timing between the embryo and its food stores.
e.
emphasize embryonic survival by increasing embryo size.
 

 14. 

All of the following are found in angiosperms except
a.
tracheids.
b.
triploid endosperm tissues.
c.
fruits.
d.
flagellated sperm.
e.
carpels.
 

 15. 

A plant whose reproductive parts produce nectar should be expected to
a.
have brightly colored reproductive parts.
b.
produce sweet-tasting fruit.
c.
rely on wind pollination.
d.
have no parts that can perform photosynthesis.
e.
suffer significant seed loss to sugar-seeking insects.
 
 
For the following questions, match the adaptations of the various fruits below with the most likely means used by the fruit to disperse the seeds contained within the fruit (A-E).

A.
animal skin, fur, or feathers
B.
animal digestive tract
C.
water currents
D.
gravity and terrain
E.
air currents
 

 16. 

The fruit is made of material high in calories.
a.
A
b.
B
c.
C
d.
D
e.
E
 

 17. 

The fruit is covered with spines or hooks.
a.
A
b.
B
c.
C
d.
D
e.
E
 

 18. 

The fruit contains an air bubble.
a.
A
b.
B
c.
C
d.
D
e.
E
 

 19. 

The fruit has a heavy weight and spheroidal shape.
a.
A
b.
B
c.
C
d.
D
e.
E
 

 20. 

The fruit has light, fibrous plumes or puffs.
a.
A
b.
B
c.
C
d.
D
e.
E
 



 
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