Question 1

A eustele has a pith, but a siphonostele does not.

Accepted Answer

A) True 
 B)False

Question 2

The great height reached by some vascular plants was made possible by the evolution of the ability to synthesize lignin.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following statements about sporophylls in the club mosses is FALSE?

Accepted Answer

A)   They are modified leaves.
B)   They are borne on the gametophyte.
C)   They bear sporangia.
D)   They may be interspersed among sterile microphylls.
E)   They may be grouped into strobili.F) C) and E)
G) A) and E)

Question 4

Which of the following statements about quillworts is FALSE?

Accepted Answer

A)   They have a short, fleshy above-ground stem.
B)   They have a specialized cambium.
C)   Some obtain carbon for photosynthesis from sediments.
D)   Some have CAM photosynthesis.
E)   Each leaf is a potential sporophyll.F) B) and E)
G) C) and D)

Question 5

Which of the following is NOT a characteristic shared by bryophytes and vascular plants?

Accepted Answer

A)   multicellular embryos
B)   a charophycean-alga-like ancestor
C)   a monophyletic lineage
D)   dominant gametophytes
E)   an alternation of heteromorphic generationsF) None of the above
G) A) and D)

Question 6

The vascular tissue system is embedded in the ground tissue system.

Accepted Answer

A) True 
 B)False

Question 7

Each leaf of Isoetes is a potential sporophyll, capable of bearing either megasporangia or microsporangia.

Accepted Answer

A) True 
 B)False

Question 8

Microphylls differ from megaphylls in that microphylls:

Accepted Answer

A)   occur in most vascular plants.
B)   are associated with leaf gaps.
C)   are associated with protosteles.
D)   have branched veins.
E)   evolved from branch systems.F) A) and B)
G) A) and C)

Question 9

The blade of a megaphyll contains only a single vein.

Accepted Answer

A) True 
 B)False

Question 10

Roots.

Accepted Answer

A)   Ophioglossum
B)   Botryichium
C)   Tmesipteris
D)   Zostera
E)   LycopodiumF) A) and B)
G) C) and D)

Question 11

In contrast to a eusporangium, a leptosporangium:

Accepted Answer

A)   arises from a single initial cell.
B)   produces more spores.
C)   has a tapetum that is one cell layer thick.
D)   is larger.
E)   arises from one or more surface cells.F) A) and D)
G) C) and D)

Question 12

Three of the phyla of seedless vascular plants-Rhyniophyta, Zosterophyllophyta, and Trimerophytophyta-had become extinct by the end of the Devonian period.

Accepted Answer

A) True 
 B)False

Question 13

The innermost wall layer of a eusporangium is called the:

Accepted Answer

A)   rachis.
B)   tapetum.
C)   annulus.
D)   lip cell.
E)   sporocarp.F) A) and E)
G) B) and D)

Question 14

Which of the following statements about primary growth is FALSE?

Accepted Answer

A)   It occurs close to the tips of stems and roots.
B)   It is initiated by the apical meristems.
C)   It primarily leads to thickening of the plant body.
D)   It gives rise to primary tissues.
E)   It gives rise to the primary plant body.F) None of the above
G) A) and E)

Question 15

In the Selaginella life cycle, the archegonia:

Accepted Answer

A)   protrude through the megasporophyll.
B)   protrude through a rupture in the megaspore wall.
C)   develop on the microsporophyll.
D)   develop from the suspensor.
E)   cause the microsporangial wall to rupture.F) None of the above
G) A) and E)

Question 16

The annulus is most directly involved in:

Accepted Answer

A)   providing mineral ions to the capsule.
B)   discharging spores.
C)   protecting against dessication.
D)   water uptake.
E)   photosynthesis.F) C) and D)
G) A) and C)

Question 17

The vertical growth of the plant is an example of primary growth.

Accepted Answer

A) True 
 B)False

Question 18

Carinal canals and conspicuously jointed stems are characteristic of the:

Accepted Answer

A)   club mosses.
B)   quillworts.
C)   whisk ferns.
D)   horsetails.
E)   resurrection plants.F) A) and E)
G) A) and D)

Question 19

In ferns, antheridiogens induce antheridia in _______ gametophytes.

Accepted Answer

A)   all
B)   larger, less mature
C)   smaller, less mature
D)   larger, more mature
E)   smaller, more matureF) B) and D)
G) B) and C)

Question 20

Which of the following statements about the Equisetum life cycle is FALSE?

Accepted Answer

A)   Sporangia are borne along the margins of sporangiophores.
B)   Spore dispersal is facilitated by elaters similar to those of Marchantia.
C)   Gametophytes may be bisexual.
D)   Sperm are multiflagellated.
E)   Gametophytes are green and free-living.F) A) and E)
G) B) and C)

Exam 17: Seedless Vascular Plants

Which of the following statements about the Equisetum life cycle is FALSE?

Correct AnswerverifiedShow Answer

Three of the phyla of seedless vascular plants-Rhyniophyta, Zosterophyllophyta, and Trimerophytophyta-had become extinct by the end of the Devonian period.

Correct AnswerverifiedShow Answer

The vertical growth of the plant is an example of primary growth.

Correct AnswerverifiedShow Answer

In ferns, antheridiogens induce antheridia in _______ gametophytes.

Correct AnswerverifiedShow Answer

The vascular tissue system is embedded in the ground tissue system.

Correct AnswerverifiedShow Answer

Which of the following statements about sporophylls in the club mosses is FALSE?

Correct AnswerverifiedShow Answer

The great height reached by some vascular plants was made possible by the evolution of the ability to synthesize lignin.

Correct AnswerverifiedShow Answer

Which of the following is NOT a characteristic shared by bryophytes and vascular plants?

Correct AnswerverifiedShow Answer

In contrast to a eusporangium, a leptosporangium:

Correct AnswerverifiedShow Answer

Each leaf of Isoetes is a potential sporophyll, capable of bearing either megasporangia or microsporangia.

Correct AnswerverifiedShow Answer

The blade of a megaphyll contains only a single vein.

Correct AnswerverifiedShow Answer

The annulus is most directly involved in:

Correct AnswerverifiedShow Answer

In the Selaginella life cycle, the archegonia:

Correct AnswerverifiedShow Answer

Roots.

Correct AnswerverifiedShow Answer

Microphylls differ from megaphylls in that microphylls:

Correct AnswerverifiedShow Answer

Which of the following statements about primary growth is FALSE?

Correct AnswerverifiedShow Answer

Which of the following statements about quillworts is FALSE?

Correct AnswerverifiedShow Answer

Carinal canals and conspicuously jointed stems are characteristic of the:

Correct AnswerverifiedShow Answer

A eustele has a pith, but a siphonostele does not.

Correct AnswerverifiedShow Answer

The innermost wall layer of a eusporangium is called the:

Correct AnswerverifiedShow Answer

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