Ch.22 Vascular Plants Flashcards
The _____ is a colorless flap that protects the sorus in some members of the Pterophyta.
a. indusium
b. annulus
c. sporocarp
d. prothallus
indusium
How do ferns reproduce?
a. By producing seeds.
b. By producing spores.
c. Through fragmentation.
d. Through branching roots.
By producing spores
Spores of the ground pine are contained within what structure?
a. Xylem.
b. Strobilus.
c. Rhizomes.
d. Zygote.
Strobilus
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.
All of the above
Fronds in ferns develop from which structure?
a. Rhizomes.
b. Leaves.
c. Pinnae.
d. Sori.
Rhizomes
Calamite fossils are associated with _____.
a. mosses
b. aquatic ferns
c. coal deposits
d. conifers
coal deposits
Microspores of ferns are contained in what structure?
a. Archegonium.
b. Microsporangium.
c. Antheridium.
d. Siphonostele.
Microsporangium
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.
It dries up in drought but is revitalized with water.
Psilotum has a horizontal underground rhizome that develops _____.
a. antheridia
b. synangia
c. lateral branches
d. an aerial stem
an aerial stem
Seedless vascular plants include all of the following EXCEPT _____.
a. Lycophyta
b. Bryophyta
c. Sphenophyta
d. Psilotophyta
Bryophyta
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
the fern has produced spores
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
abrasive
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.
ability to grow into great heights
____ are homosporous because they produce only one kind of spore.
a. Psilotum spp.
b. Magnoliophyta spp.
c. Selaginella spp.
d. Marsilea spp.
Pislotum spp.
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.
They produce female megaspores and male microspores
The whisk fern lacks which of the following?
a. Sporophytes.
b. Roots.
c. Aerial axis.
d. Stele.
Roots
______ have elaters that help the wind carry their spores.
a. Horsetails
b. Whisk ferns
c. Ground pines
d. Club mosses
Horsetails
Spores in the horsetail are released from the _____.
a. air canal
b. sporangiophore
c. immature strobilus
d. leaf sheath
sporangiophore
Horsetails are characterized by _____.
a. green spores
b. hollow pith in the stem
c. internodes
d. all of the above
e. A and B
all of the above
Fern spores germinate to produce the gametophytes, which are anchored to the substrate by ________.
a. sporocarps
b. rhizoids
c. prothalli
d. indusia
rhizoids
Which of the following are parts of the sorus?
a. Sporangium.
b. Annulus.
c. Indusium.
d. All of the above.
e. A and B.
All of the above
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.
All of the above
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.
Southern states
Name this simple vascular plant that lacks true leaves and roots.
a. Fern.
b. Whisk fern.
c. Horsetail.
d. Club moss.
Whisk fern
The endodermis within the Selaginella spp. stem surrounds what structure?
a. Strobilus.
b. Protostele.
c. Ligule.
d. Cortex.
Protostele
The gametophyte in the life cycle of the club moss produces _____.
a. meiospores
b. sporophytes
c. sporangium
d. archegonium
archegonium
Which of the following is heterosporous?
a. Lycophyta.
b. Selaginella spp.
c. Psilotophyta.
d. Pterophyta.
Selaginella spp.
The zygote in horsetails forms the _____.
a. antheridium
b. sporophyte generation
c. gametophyte generation
d. archegonium
sporophyte generation
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.
Male microspores
The last life cycle stage in the sporophyte (2n) generation of the fern is the _____.
a. gametophyte
b. zygote
c. archegonium
d. prothallus
zygote
