Question 1

Azolla filiculoides is a small aquatic fern that is typically 1-2 cm tall.How would a botanist distinguish it from a bryophyte?

Accepted Answer

A)  It produces seeds.
B)  It has xylem tissue.
C)  It has a gametophyte.
D)  It has chloroplasts.E) A) and D)
F) All of the above

Question 2

Well-developed vascular systems are absent in all of the following except

Accepted Answer

A)  mosses.
B)  liverworts.
C)  hornworts.
D)  Charophytes.
E)  Pterophytes.F) A) and B)
G) C) and E)

Question 3

Which of the following represents a monophyletic group?

Accepted Answer

A)  mosses,liverworts,and hornworts
B)  ferns and club mosses
C)  ferns,whisk ferns,and horsetails
D)  liverworts and hornworts
E)  Charophytes and mossesF) A) and E)
G) A) and D)

Question 4

Which one of the following structures in the moss life cycle is not haploid?

Accepted Answer

A)  germinating spore
B)  antheridium
C)  sperm
D)  spore mother cell
E)  rhizoid tissueF) B) and E)
G) A) and D)

Question 5

A bryologist (a scientist that studies mosses,and their allies) gives a lecture to your biology class.In her lecture,she makes a reference to fern reproduction.She says,"Fern spores germinate into ________."

Accepted Answer

A)  gametophytes,which are often heart-shaped and have rhizoids that anchor the fern to the substrate
B)  gametophytes,which are often heart-shaped and have roots that anchor the fern to the substrate
C)  sporophytes,which are often heart-shaped and have rhizoids that anchor the fern to the substrate
D)  sporophytes,which are often heart-shaped and have roots that anchor the fern to the substrateE) All of the above
F) B) and C)

Question 6

The first plants clearly evolved from an organism that,if it existed today,would be classified as a multicellular green ________.

Accepted Answer

The answer of The first plants clearly evolved from an...

Question 7

In tracheophyte plants,water and dissolved minerals are conducted away from roots by

Accepted Answer

A)  water vessels.
B)  stomata.
C)  phloem tubes.
D)  xylem tubes.
E)  chloroplasts.F) A) and B)
G) B) and D)

Question 8

The aquatic ancestry of bryophytes is most clearly demonstrated by what character?

Accepted Answer

A)  the use of flagellated motile sperm
B)  mycorrhizal associations with fungi
C)  a nutritionally dependent sporophyte
D)  the production of a sporangiumE) None of the above
F) B) and C)

Question 9

Whisk ferns,club mosses,and horsetails have all the following characteristics in common with ferns except

Accepted Answer

A)  all of these plants are seedless tracheophyte plants.
B)  all of these plants produce flagellated sperm.
C)  all of these plants form antheridia and archegonia.
D)  all of these plants require free water for the process of fertilization to occur.
E)  all of these plants have no vascular tissue.F) B) and C)
G) B) and E)

Question 10

Plant success on the terrestrial landscape is linked to the evolution of all of the following except

Accepted Answer

A)  specialized roots.
B)  stems.
C)  specialized reproductive features.
D)  increased area for photosynthesis in the leaves.
E)  gas-filled air spaces.F) A) and D)
G) B) and E)

Question 11

Plants as well as brown,green,and red algae show a basic life cycle which involves the alternation of generations between a(n)

Accepted Answer

A)  spore and pollen.
B)  megaspore and a microspore.
C)  seed and a cone.
D)  sporophyte and a gametophyte.
E)  egg and a sperm.F) B) and C)
G) A) and E)

Question 12

Bryophytes,like ferns and certain other tracheophyte plants,require

Accepted Answer

A)  air to reproduce sexually.
B)  water to reproduce sexually.
C)  soil to reproduce sexually.
D)  shade to reproduce sexually.
E)  sunlight to reproduce sexually.F) B) and E)
G) A) and D)

Question 13

Which one of the following traits would be found in a typical fern but not a moss?

Accepted Answer

A)  homospory
B)  tracheids
C)  gametophytes with rhizoids
D)  antheridia
E)  a sporophyte generationF) A) and B)
G) D) and E)

Question 14

To reproduce sexually,bryophytes require

Accepted Answer

A)  heterospory.
B)  free water external to the plant.
C)  high temperatures.
D)  solar energy.
E)  insect pollination.F) A) and E)
G) B) and D)

Question 15

Plants lacking well-developed conducting systems such as mosses,liverworts,and hornworts have been called

Accepted Answer

A)  gametophytes.
B)  sporophytes.
C)  angiosperms.
D)  gymnosperms.
E)  bryophytes.F) All of the above
G) A) and B)

Question 16

Plants have a ________ life cycle in which the haploid and diploid stages are multicellular.

Accepted Answer

The answer of Plants have a ________ life cycle in...

Question 17

Which of the following features are common to both moss leaves and true leaves?

Accepted Answer

A)  vascular strands
B)  chlorophyll a and b
C)  all the cells are haploid
D)  except at the midrib only one cell thick
E)  stomataF) A) and B)
G) C) and E)

Question 18

Which of the following groups is most closely related to the tracheophytes?

Accepted Answer

A)  Bryophytes
B)  Charophytes
C)  Rhodophytes
D)  ChlorophytesE) B) and C)
F) A) and D)

Question 19

How do lycophytes differ from bryophytes?

Accepted Answer

A)  Lycophytes have tracheids.
B)  Lycophytes produce seeds.
C)  Lycophytes use flowers for reproduction.
D)  The dominant stage in a lycophyte is the gametophyte.E) B) and C)
F) A) and C)

Question 20

Why are most bryophytes less than 10 cm tall?

Accepted Answer

A)  They have underdeveloped stomata.
B)  They are seedless.
C)  They lack a cuticle.
D)  The have conducting cells instead of tracheids.
E)  They have no H2O transport mechanisms.F) A) and D)
G) A) and C)

Exam 29: Seedless Plants

Azolla filiculoides is a small aquatic fern that is typically 1-2 cm tall.How would a botanist distinguish it from a bryophyte?

Correct AnswerverifiedShow Answer

A bryologist (a scientist that studies mosses,and their allies) gives a lecture to your biology class.In her lecture,she makes a reference to fern reproduction.She says,"Fern spores germinate into ________."

Correct AnswerverifiedShow Answer

Which one of the following structures in the moss life cycle is not haploid?

Correct AnswerverifiedShow Answer

Well-developed vascular systems are absent in all of the following except

Correct AnswerverifiedShow Answer

Plants as well as brown,green,and red algae show a basic life cycle which involves the alternation of generations between a(n)

Correct AnswerverifiedShow Answer

Plants have a ________ life cycle in which the haploid and diploid stages are multicellular.

Correct AnswerverifiedShow Answer

Which of the following features are common to both moss leaves and true leaves?

Correct AnswerverifiedShow Answer

Whisk ferns,club mosses,and horsetails have all the following characteristics in common with ferns except

Correct AnswerverifiedShow Answer

How do lycophytes differ from bryophytes?

Correct AnswerverifiedShow Answer

To reproduce sexually,bryophytes require

Correct AnswerverifiedShow Answer

Plant success on the terrestrial landscape is linked to the evolution of all of the following except

Correct AnswerverifiedShow Answer

The aquatic ancestry of bryophytes is most clearly demonstrated by what character?

Correct AnswerverifiedShow Answer

Which of the following groups is most closely related to the tracheophytes?

Correct AnswerverifiedShow Answer

Plants lacking well-developed conducting systems such as mosses,liverworts,and hornworts have been called

Correct AnswerverifiedShow Answer

The first plants clearly evolved from an organism that,if it existed today,would be classified as a multicellular green ________.

Correct AnswerverifiedShow Answer

Which of the following represents a monophyletic group?

Correct AnswerverifiedShow Answer

Why are most bryophytes less than 10 cm tall?

Correct AnswerverifiedShow Answer

Bryophytes,like ferns and certain other tracheophyte plants,require

Correct AnswerverifiedShow Answer

In tracheophyte plants,water and dissolved minerals are conducted away from roots by

Correct AnswerverifiedShow Answer

Which one of the following traits would be found in a typical fern but not a moss?

Correct AnswerverifiedShow Answer

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