Question 1

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) C) and D)
F) A) and D)

Question 2

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) B) and C)
F) C) and D)

Question 3

Survival on land for organisms is difficult because of the problem of

Accepted Answer

A)  desiccation.
B)  pollination.
C)  syngamy.
D)  spore germination.E) A) and D)
F) B) and C)

Question 4

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

Accepted Answer

A)  Bryophytes
B)  Charophytes
C)  Rhodophytes
D)  ChlorophytesE) All of the above
F) B) and D)

Question 5

For which of the following organisms is the sporophyte stage the dominant stage in the life cycle?

Accepted Answer

A)  charophyte
B)  fern
C)  green alga Chlamydomonas
D)  mossE) B) and D)
F) All of the above

Question 6

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) A) and B)
F) B) and D)

Question 7

The colorless rootlike projections of mosses, liverworts, and hornworts, which anchor them to the substrate are called

Accepted Answer

A)  rhizoids.
B)  tap roots.
C)  fibrous roots.
D)  specialized roots.E) C) and D)
F) B) and D)

Question 8

In all seed plants, male and female ___________ develop within the parent sporophyte and are completely dependent on it for nutrition and water.

Accepted Answer

The answer of In all seed plants, male and female...

Question 9

The most abundant group of seedless tracheophyte plants are the

Accepted Answer

A)  club mosses.
B)  horse tails.
C)  angiosperms.
D)  ferns.E) A) and B)
F) B) and C)

Question 10

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) None of the above
F) C) and D)

Question 11

Which one of the following statements about haplodiplontic life cycles is false?

Accepted Answer

A)  For each gene, cells of the gametophyte stage have a single allele.
B)  Spore mother cells produce haploid spores by meiosis.
C)  The gametophyte stage produces gametes by mitosis.
D)  The zygote is the only diploid cell in the sporophyte stage.E) A) and B)
F) A) and C)

Question 12

Hornworts differ from mosses and liverworts in containing

Accepted Answer

A)  small leaves.
B)  sporophytes.
C)  photosynthetic sporophytes.
D)  gametophytes.E) None of the above
F) A) and B)

Question 13

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 hornwortsE) A) and B)
F) A) and C)

Question 14

Why is a rhizoid not considered a true root?

Accepted Answer

A)  Rhizoids lack the capacity to anchor mosses into the substrate.
B)  Rhizoids are not capable of absorbing water.
C)  True roots have mycorrhizal fungi.
D)  Rhizoids lack xylem tissue.E) A) and B)
F) A) and C)

Question 15

A waxy cuticle prevents desiccation.What is the cost of this adaptation?

Accepted Answer

A)  Lowered light absorption
B)  Reduced gas permeability
C)  Slower H2O transport
D)  Increased exposure to damaging UV radiationE) A) and B)
F) None of the above

Question 16

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) All of the above
F) B) and D)

Question 17

Plants and their predecessors, green algae, do not share the property of

Accepted Answer

A)  containing chlorophylls a and b, and carotenoids.
B)  containing cellulose-rich cell walls.
C)  containing a system of roots and stems.
D)  containing starch as the primary food storage product.E) A) and B)
F) All of the above

Exam 30: Seedless Plants

Why are most bryophytes less than 10 cm tall?

Correct Answer
verified

For which of the following organisms is the sporophyte stage the dominant stage in the life cycle?

Correct Answer
verified

Survival on land for organisms is difficult because of the problem of

Correct Answer
verified

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

Correct Answer
verified

Plants and their predecessors, green algae, do not share the property of

Correct Answer
verified

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

Correct Answer
verified

A waxy cuticle prevents desiccation.What is the cost of this adaptation?

Correct Answer
verified

The most abundant group of seedless tracheophyte plants are the

Correct Answer
verified

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 Answer
verified

Bryophytes, like ferns and certain other tracheophyte plants, require

Correct Answer
verified

The colorless rootlike projections of mosses, liverworts, and hornworts, which anchor them to the substrate are called

Correct Answer
verified

Which one of the following statements about haplodiplontic life cycles is false?

Correct Answer
verified

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

Correct Answer
verified

Which of the following represents a monophyletic group?

Correct Answer
verified

In all seed plants, male and female ___________ develop within the parent sporophyte and are completely dependent on it for nutrition and water.

Correct Answer
verified

Hornworts differ from mosses and liverworts in containing

Correct Answer
verified

Why is a rhizoid not considered a true root?

Correct Answer
verified

Exam 30: Seedless Plants

Why are most bryophytes less than 10 cm tall?

Correct AnswerverifiedShow Answer

For which of the following organisms is the sporophyte stage the dominant stage in the life cycle?

Correct AnswerverifiedShow Answer

Survival on land for organisms is difficult because of the problem of

Correct AnswerverifiedShow Answer

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

Plants and their predecessors, green algae, do not share the property of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A waxy cuticle prevents desiccation.What is the cost of this adaptation?

Correct AnswerverifiedShow Answer

The most abundant group of seedless tracheophyte plants are the

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

Bryophytes, like ferns and certain other tracheophyte plants, require

Correct AnswerverifiedShow Answer

The colorless rootlike projections of mosses, liverworts, and hornworts, which anchor them to the substrate are called

Correct AnswerverifiedShow Answer

Which one of the following statements about haplodiplontic life cycles is false?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following represents a monophyletic group?

Correct AnswerverifiedShow Answer

In all seed plants, male and female ___________ develop within the parent sporophyte and are completely dependent on it for nutrition and water.

Correct AnswerverifiedShow Answer

Hornworts differ from mosses and liverworts in containing

Correct AnswerverifiedShow Answer

Why is a rhizoid not considered a true root?

Correct AnswerverifiedShow Answer

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