Question 1

In the moss life cycle,the ______ is the dominant generation.

Accepted Answer

A)  haploid gametophyte
B)  diploid gametophyte
C)  haploid sporophyte
D)  diploid sporophyteE) None of the above
F) C) and D)

Question 2

Only lycophytes have true roots,stems,and leaves.

Accepted Answer

A) True 
 B)False

Question 3

Seedless vascular plants include all of the following EXCEPT

Accepted Answer

A)  Psilotum-Pteridophytes
B)  horsetails-Sphenophyta.
C)  Sphagnum-Bryophyta.
D)  whisk ferns-Psilotophyta.E) C) and D)
F) A) and D)

Question 4

When a moss spore lands on an appropriate site,it germinates into the first stage of the gametophyte called a(n)

Accepted Answer

A)  antheridium.
B)  rhizoid.
C)  archegonium.
D)  protonema.
E)  thallus.F) A) and D)
G) A) and E)

Question 5

The first plants to colonize land were the

Accepted Answer

A)  gametophytes.
B)  bryophytes.
C)  pteridophytes.
D)  lycophytes.E) B) and D)
F) A) and D)

Question 6

Among adaptations of plants to a terrestrial environment are all of the following adaptations EXCEPT

Accepted Answer

A)  a dominant sporophyte with vascular tissue.
B)  a cuticle to prevent water loss from exposed parts of the plant.
C)  stomata to regulate gas exchange with the atmosphere.
D)  All of the choices are adaptations.E) A) and B)
F) A) and C)

Question 7

A microspore develops into a(n)

Accepted Answer

A)  seed.
B)  sporophyte.
C)  male gametophyte.
D)  female gametophyte.
E)  ovule.F) B) and D)
G) C) and D)

Question 8

Which portion of the plant life cycle is haploid?

Accepted Answer

A)  gametophyte
B)  sporophyte
C)  both sporophyte and gametophyte are haploid
D)  zygoteE) A) and B)
F) None of the above

Question 9

Which of the following features would have helped early plant ancestors evolve to a terrestrial existence?

Accepted Answer

A)  cellulose in the cell walls
B)  apical cells
C)  plasmodesmata
D)  placenta
E)  all of these features would have helpedF) A) and B)
G) A) and D)

Question 10

Bryophytes

Accepted Answer

A)  can be found from the Antartic to the tropics.
B)  produce peat that can be used as fuel.
C)  erode rocks to produce soil.
D)  All of the above choices are true regarding bryophytes.E) B) and D)
F) A) and B)

Question 11

Which benefit did the lycophytes derive from their evolution of megaphylls?

Accepted Answer

A)  An increased ability to capture more solar energy.
B)  Increased ability to produce greater stores of food.
C)  Their fitness would have increased due to a greater ability to photosynthesize.
D)  All of the above are benefits they would have received.
E)  They would not have received any of these benefits.F) A) and D)
G) A) and E)

Question 12

The largest and oldest trees in the world that are pollinated by animals are conifers.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following descriptions applies to megaphylls?

Accepted Answer

A)  Can be found in both the pteridophytes and seed plants.
B)  Are broad leaves with strands of vascular tissues.
C)  These allowed early plants to photosynthesize more efficiently.
D)  None of these statements apply to megaphylls.
E)  All of the above apply to megaphylls.F) B) and C)
G) A) and E)

Question 14

The first fossil evidence of vascular tissue is seen in the

Accepted Answer

A)  green algae.
B)  tracheophytes.
C)  rhyniophytes.
D)  bryophytes.
E)  tree ferns.F) B) and C)
G) A) and B)

Question 15

Molecular data suggests that hornworts,liverworts,and mosses

Accepted Answer

A)  share common ancestry but do not form a monophyletic group.
B)  do not share common ancestry and form a polyphyletic group.
C)  share common ancestry,but form a monophyletic group.
D)  None of the above are true.E) A) and C)
F) All of the above

Question 16

Identify the species that is not classified as a pteridophyte.

Accepted Answer

A)  Marchantia
B)  Equisetum
C)  Hart's tongue
D)  PsilotumE) All of the above
F) None of the above

Question 17

Flagellated sperm and a sporophyte that is dependent on the gametophyte are characteristics of

Accepted Answer

A)  gymnosperm.
B)  angiosperm.
C)  liverworts.
D)  moss.
E)  liverworts and mosses.F) A) and C)
G) C) and D)

Question 18

Which of the following structures is a male reproductive structure?

Accepted Answer

A)  archegonia
B)  megaspore
C)  pollen cone
D)  pistilE) A) and B)
F) B) and C)

Question 19

In the fern life cycle,the ______ generation is dominant.

Accepted Answer

A)  haploid gametophyte
B)  diploid gametophyte
C)  haploid sporophyte
D)  diploid sporophyteE) A) and D)
F) A) and C)

Question 20

As plants invaded the land,there was

Accepted Answer

A)  greater availability of light for photosynthesis.
B)  greater concentrations of carbon dioxide.
C)  increased threat of desiccation of unprotected cells.
D)  All of the above.E) B) and C)
F) None of the above

Exam 23: Plant Evolution and Diversity

The first plants to colonize land were the

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Identify the species that is not classified as a pteridophyte.

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Flagellated sperm and a sporophyte that is dependent on the gametophyte are characteristics of

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The largest and oldest trees in the world that are pollinated by animals are conifers.

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Molecular data suggests that hornworts,liverworts,and mosses

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When a moss spore lands on an appropriate site,it germinates into the first stage of the gametophyte called a(n)

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In the moss life cycle,the ______ is the dominant generation.

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Which benefit did the lycophytes derive from their evolution of megaphylls?

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Which of the following features would have helped early plant ancestors evolve to a terrestrial existence?

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Which of the following structures is a male reproductive structure?

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Which portion of the plant life cycle is haploid?

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As plants invaded the land,there was

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Seedless vascular plants include all of the following EXCEPT

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Bryophytes

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Only lycophytes have true roots,stems,and leaves.

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A microspore develops into a(n)

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In the fern life cycle,the ______ generation is dominant.

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The first fossil evidence of vascular tissue is seen in the

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Among adaptations of plants to a terrestrial environment are all of the following adaptations EXCEPT

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Which of the following descriptions applies to megaphylls?

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