Question 1

The earliest land plants appeared in the fossil record:

Accepted Answer

A)   about 500 million years ago
B)   about 300 million years ago
C)   about 100 million years ago
D)   a billion years ago
E)   about 10 million years agoF) A) and B)
G) None of the above

Question 2

Which of the following best describes the advantages of retaining the young sporophyte as an embryo within the parent?

Accepted Answer

A)   The embryo is protected from desiccation.
B)   The embryo grows better because of nutrients supplied by parental tissues.
C)   The embryo is protected from pathogens.
D)   The embryo is protected from ultraviolet light.
E)   All of the choices provided are correct.F) D) and E)
G) A) and B)

Question 3

Organisms in the same clade are:

Accepted Answer

A)   monophyletic
B)   convergent
C)   divergent
D)   polyphyletic
E)   syntopicF) D) and E)
G) A) and B)

Question 4

Which of the following comparisons between the moss life cycle and fern life cycle is NOT valid?

Accepted Answer

A)   Both kinds of plants have flagellated sperm that need water to reach the female gamete.
B)   The sporophyte generation is much larger than the gametophyte generation in ferns but is smaller than the gametophyte generation in mosses.
C)   The spores are produced in capsules on stalks in mosses but in small structure called sori on the underside of leaves in ferns.
D)   Both kinds of plants depend on wind for dispersal of spores.
E)   The gametes are produced in gametangia in mosses but on the underside of leaves in ferns.F) A) and B)
G) A) and C)

Question 5

Which of the following statements is NOT true of the stomata on the leaves of vascular plants?

Accepted Answer

A)   They regulate intake of carbon dioxide needed for photosynthesis.
B)   They regulate release of oxygen to the air.
C)   They regulate loss of water.
D)   They are open or closed depending on environmental conditions.
E)   They regulate the absorption of light by the chlorophyll.F) A) and C)
G) A) and E)

Question 6

The polyester polymer on the leaves of vascular plants that protects them from pathogens is called:

Accepted Answer

A)   lignin
B)   cutin
C)   chitin
D)   cellulose
E)   All of the other choices offered are incorrectF) B) and E)
G) B) and D)

Question 7

Which of the following statements best describes the female gamete of mosses?

Accepted Answer

A)   It is haploid.
B)   It lacks flagella.
C)   It is produced by the gametophyte generation.
D)   It is larger than the male gamete.
E)   All of the other choices provided are correct.F) A) and E)
G) A) and D)

Question 8

Gametophytes that are completely enclosed within the walls of a spore are known as:

Accepted Answer

A)   endosperm
B)   endosporic gametophytes
C)   micropyles
D)   rosettes
E)   phragmoplastsF) B) and D)
G) None of the above

Question 9

Which of the following statements is NOT true of megaspores?

Accepted Answer

A)   Megaspores produce female gametophytes.
B)   Megaspores are larger than microspores.
C)   A megaspore is a kind of spore of a seed plant.
D)   The cells of the walls of the megasporangium are diploid but the megaspores themselves are haploid.
E)   Megaspores are diploid.F) B) and E)
G) A) and C)

Question 10

Which of the following is NOT an adaptation of mosses for living on land?

Accepted Answer

A)   delayed meiosis
B)   enclosure of gametes in gametangia
C)   enclosure of zygotes in the gametophyte
D)   wind dispersal of gametes
E)   wind dispersal of sporesF) A) and E)
G) B) and E)

Question 11

Which of the following statements best characterizes a euphyll?

Accepted Answer

A)   It differs from a lycophyll by having a branched, rather than a single, vascular system.
B)   It is believed to have evolved from a branch that flattened and developed photosynthetic tissue between the branches.
C)   It is also called a megaphyll because it is large compared to a lycophyll.
D)   It evolved separately from the photosynthetic appendages of moss gametophytes.
E)   All of the choices provided are correct.F) C) and D)
G) A) and B)

Question 12

Which of the following comparisons of the cellular features of complex charophycean algae and land plants is NOT true?

Accepted Answer

A)   Land plants inherited phragmoplasts from complex charophyceans.
B)   Land plants inherited plasmodesmata from complex charophyceans.
C)   Land plants inherited xyloglucans from complex charophyceans.
D)   Land plants inherited the ability to make cellulose from complex charophyceans.
E)   Land plants inherited CesA genes from complex charophyceans.F) C) and D)
G) C) and E)

Exam 29: Plants and the Conquest of Land

Gametophytes that are completely enclosed within the walls of a spore are known as:

Correct Answer
verified

Which of the following is NOT an adaptation of mosses for living on land?

Correct Answer
verified

Which of the following statements best characterizes a euphyll?

Correct Answer
verified

Which of the following comparisons between the moss life cycle and fern life cycle is NOT valid?

Correct Answer
verified

The polyester polymer on the leaves of vascular plants that protects them from pathogens is called:

Correct Answer
verified

Organisms in the same clade are:

Correct Answer
verified

Which of the following best describes the advantages of retaining the young sporophyte as an embryo within the parent?

Correct Answer
verified

The earliest land plants appeared in the fossil record:

Correct Answer
verified

Which of the following statements is NOT true of megaspores?

Correct Answer
verified

Which of the following statements is NOT true of the stomata on the leaves of vascular plants?

Correct Answer
verified

Which of the following comparisons of the cellular features of complex charophycean algae and land plants is NOT true?

Correct Answer
verified

Which of the following statements best describes the female gamete of mosses?

Correct Answer
verified

Exam 29: Plants and the Conquest of Land

Gametophytes that are completely enclosed within the walls of a spore are known as:

Correct AnswerverifiedShow Answer

Which of the following is NOT an adaptation of mosses for living on land?

Correct AnswerverifiedShow Answer

Which of the following statements best characterizes a euphyll?

Correct AnswerverifiedShow Answer

Which of the following comparisons between the moss life cycle and fern life cycle is NOT valid?

Correct AnswerverifiedShow Answer

The polyester polymer on the leaves of vascular plants that protects them from pathogens is called:

Correct AnswerverifiedShow Answer

Organisms in the same clade are:

Correct AnswerverifiedShow Answer

Which of the following best describes the advantages of retaining the young sporophyte as an embryo within the parent?

Correct AnswerverifiedShow Answer

The earliest land plants appeared in the fossil record:

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true of megaspores?

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true of the stomata on the leaves of vascular plants?

Correct AnswerverifiedShow Answer

Which of the following comparisons of the cellular features of complex charophycean algae and land plants is NOT true?

Correct AnswerverifiedShow Answer

Which of the following statements best describes the female gamete of mosses?

Correct AnswerverifiedShow Answer

Correct Answer
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