Ch.22 Vascular Plants

Question 1

The _____ is a colorless flap that protects the sorus in some members of the Pterophyta.
a. indusium
b. annulus
c. sporocarp
d. prothallus

Answer 1

indusium

Question 2

How do ferns reproduce?
a. By producing seeds.
b. By producing spores.
c. Through fragmentation.
d. Through branching roots.

Answer 2

By producing spores

Question 3

Spores of the ground pine are contained within what structure?
a. Xylem.
b. Strobilus.
c. Rhizomes.
d. Zygote.

Answer 3

Strobilus

Question 4

Horsetails in ancient cultures were commonly used to treat which of the following?
a. Fluid retention.
b. Skin irritations.
c. Diarrhea.
d. All of the above.

Answer 4

All of the above

Question 5

Fronds in ferns develop from which structure?
a. Rhizomes.
b. Leaves.
c. Pinnae.
d. Sori.

Answer 5

Rhizomes

Question 6

Calamite fossils are associated with _____.
a. mosses
b. aquatic ferns
c. coal deposits
d. conifers

Answer 6

coal deposits

Question 7

Microspores of ferns are contained in what structure?
a. Archegonium.
b. Microsporangium.
c. Antheridium.
d. Siphonostele.

Answer 7

Microsporangium

Question 8

Why is the air fern, Polypodium, able to survive very dry conditions?
a. It has a thick stem that retains water.
b. It has waxy leaves that retain water.
c. It dries up in drought but is revitalized with water.
d. It collects moisture from the bark of the host plant.

Answer 8

It dries up in drought but is revitalized with water.

Question 9

Psilotum has a horizontal underground rhizome that develops _____.
a. antheridia
b. synangia
c. lateral branches
d. an aerial stem

Answer 9

an aerial stem

Question 10

Seedless vascular plants include all of the following EXCEPT _____.
a. Lycophyta
b. Bryophyta
c. Sphenophyta
d. Psilotophyta

Answer 10

Bryophyta

Question 11

If you see a fern with brown spots on the underside of the frond, you can conclude that _____.
a. the fern has a fungus
b. insects have laid eggs on the frond
c. the fern has produced spores
d. the fern has produced eggs

Answer 11

the fern has produced spores

Question 12

Based on the uses of horsetails during pioneer days, the “tail” of this dried plant can be best described as _______.
a. abrasive
b. malleable
c. stringy
d. limp

Answer 12

abrasive

Question 13

The lignin in vascular plants is responsible for what plant characteristic?
a. Ability to conduct water.
b. Ability to grow to great heights.
c. Ability to conduct nutrients.
d. Branching stems.

Answer 13

ability to grow into great heights

Question 14

____ are homosporous because they produce only one kind of spore.
a. Psilotum spp.
b. Magnoliophyta spp.
c. Selaginella spp.
d. Marsilea spp.

Answer 14

Pislotum spp.

Question 15

Which of the following is true of Selaginella spp.?
a. They are homosporous.
b. They produce female megaspores and male microspores.
c. They produce male megaspores and female microspores.
d. Their reproductive sporangia are located on the surface of the leaves.

Answer 15

They produce female megaspores and male microspores

Question 16

The whisk fern lacks which of the following?
a. Sporophytes.
b. Roots.
c. Aerial axis.
d. Stele.

Answer 16

Roots

Question 17

______ have elaters that help the wind carry their spores.
a. Horsetails
b. Whisk ferns
c. Ground pines
d. Club mosses

Answer 17

Horsetails

Question 18

Spores in the horsetail are released from the _____.
a. air canal
b. sporangiophore
c. immature strobilus
d. leaf sheath

Answer 18

sporangiophore

Question 19

Horsetails are characterized by _____.
a. green spores
b. hollow pith in the stem
c. internodes
d. all of the above
e. A and B

Answer 19

all of the above

Question 20

Fern spores germinate to produce the gametophytes, which are anchored to the substrate by ________.
a. sporocarps
b. rhizoids
c. prothalli
d. indusia

Answer 20

rhizoids

Question 21

Which of the following are parts of the sorus?
a. Sporangium.
b. Annulus.
c. Indusium.
d. All of the above.
e. A and B.

Answer 21

All of the above

Question 22

Which of the following is true for ferns, which are members of the phylum Pterophyta?
a. Utilized extensively by florists and in landscaping.
b. Filter formaldehyde and other toxins from the air.
c. Used medicinally for treatments such as leprosy, worms, and other ailments.
d. All of the above.

Answer 22

All of the above

Question 23

The genus Psilotum is most commonly found in what area of the United States?
a. Southern states.
b. Northern states.
c. Midwestern states.
d. Western states.

Answer 23

Southern states

Question 24

Name this simple vascular plant that lacks true leaves and roots.

a. Fern.
b. Whisk fern.
c. Horsetail.
d. Club moss.

Answer 24

Whisk fern

Question 25

The endodermis within the Selaginella spp. stem surrounds what structure?
a. Strobilus.
b. Protostele.
c. Ligule.
d. Cortex.

Answer 25

Protostele

Question 26

The gametophyte in the life cycle of the club moss produces _____.
a. meiospores
b. sporophytes
c. sporangium
d. archegonium

Answer 26

archegonium

Question 27

Which of the following is heterosporous?
a. Lycophyta.
b. Selaginella spp.
c. Psilotophyta.
d. Pterophyta.

Answer 27

Selaginella spp.

Question 28

The zygote in horsetails forms the _____.
a. antheridium
b. sporophyte generation
c. gametophyte generation
d. archegonium

Answer 28

sporophyte generation

Question 29

If you are looking under the microscope at a fern, what would you expect to find in the microsporangium?
a. Female microspores.
b. Male microspores.
c. Seeds.
d. Male or female gametophytes.

Answer 29

Male microspores

Question 30

The last life cycle stage in the sporophyte (2n) generation of the fern is the _____.
a. gametophyte
b. zygote
c. archegonium
d. prothallus

Answer 30

zygote