Question 1

If a plant has vascular tissue, megaphylls, and seeds, but not flowers, then it is a(n)

Accepted Answer

A)   angiosperm.
B)   gymnosperm.
C)   lycophyte.
D)   fern.
E)   bryophyte.F) B) and D)
G) None of the above

Question 2

What would you predict as a likely consequence of eradicating all fungi from soil before sowing it with plant seeds?

Accepted Answer

A)   Although the plants might grow, they would be unlikely to thrive due to the lack of mycorrhizal fungi.
B)   The plants would grow much more vigorously because they would not have to compete with fungi for nutrients.
C)   The plants would grow much more vigorously because they would not need to fight off fungal diseases.
D)   No plants would be able to grow because mycorrhizal fungi are essential for the germination of seeds.
E)   The plants would grow as normal because the presence or absence of fungi has no impact on plants.F) A) and B)
G) A) and C)

Question 3

Some scientists estimate that over half of the world's rainforest has already been lost, mostly due to human activities. What would you predict as a consequence of the massive loss of plant life?

Accepted Answer

A)   a decline in atmospheric carbon dioxide
B)   reduced incidence of flooding
C)   an increase in atmospheric carbon dioxide
D)   a decline in soil erosion
E)   a drop in average temperatures worldwideF) D) and E)
G) C) and D)

Question 4

Pollen grains are

Accepted Answer

A)   female gametophytes.
B)   embryonic sporophytes.
C)   male gametophytes.
D)   megaspores.
E)   encapsulated ovules.F) C) and D)
G) All of the above

Question 5

Beekeepers and scientists are very troubled by a recent decline in bee populations around the world. What would you predict as a likely consequence of the widespread disappearance of bees?

Accepted Answer

A)   loss of crop productivity
B)   decline in conifer numbers
C)   disappearance of mosses and ferns
D)   inability of plants to obtain enough nitrogen
E)   increase in prevalence of seedless vascular plantsF) B) and D)
G) B) and C)

Question 6

Which of the following have microscopically small gametophytes?

Accepted Answer

A)   mosses
B)   ferns
C)   angiosperms
D)   gymnosperms
E)   both angiosperms and gymnospermsF) A) and E)
G) A) and D)

Question 7

________ is the vascular tissue that conducts water and minerals from a plant's roots to its leaves.

Accepted Answer

A)   Endosperm
B)   Phloem
C)   Hypha
D)   Xylem
E)   CorollaF) A) and B)
G) A) and E)

Question 8

Which of these was the first to have well-developed vascular tissue?

Accepted Answer

A)   charophytes
B)   bryophytes
C)   lycophytes
D)   ferns
E)   gymnospermsF) C) and E)
G) C) and D)

Question 9

Which statement about the plant alternation-of-generations life cycle is incorrect?

Accepted Answer

A)   Spores are produced by meiosis.
B)   The zygote is diploid.
C)   The zygote undergoes mitosis to produce the sporophyte plant.
D)   Gametes are only produced by meiosis.
E)   Both gametes and spores are haploid.F) All of the above
G) None of the above

Question 10

Which of these is found in the moss life cycle?

Accepted Answer

A)   double fertilization
B)   pollen
C)   megaspore
D)   flagellated sperm
E)   microsporeF) B) and E)
G) A) and B)

Question 11

Which of these is mismatched?

Accepted Answer

A)   ovule - seed
B)   ovary - fruit
C)   microspore mother cell - pollen
D)   embryo - male gametophyte
E)   megaspore mother cell - female gametophyteF) B) and C)
G) A) and E)

Question 12

How is the mycelium a valuable adaptation for a fungus?

Accepted Answer

A)   It provides a strong anchor for the fungus.
B)   It provides a large surface area for the absorption of nutrients and moisture.
C)   It discourages animals from feeding on the fungus.
D)   It provides a vast surface area for the generation of spores.
E)   It provides physical support for the fragile sporophyte generation.F) D) and E)
G) A) and E)

Question 13

The gametophyte is the dominant generation in

Accepted Answer

A)   angiosperms.
B)   gymnosperms.
C)   ferns.
D)   mosses.
E)   all land plants.F) B) and C)
G) A) and E)

Question 14

Which statement about chytrids is incorrect?

Accepted Answer

A)   They have flagellated spores and gametes.
B)   They are obligate parasites.
C)   Some are unicellular, while others form hyphae.
D)   Some have an alternation-of-generations life cycle.
E)   Some stages of their life cycle are motile.F) B) and E)
G) C) and D)

Question 15

By definition, a fruit is derived from the

Accepted Answer

A)   archegonium.
B)   corolla.
C)   calyx.
D)   ovary.
E)   stamen.F) A) and B)
G) C) and D)

Question 16

Which statement does not apply to all fungi?

Accepted Answer

A)   Fungi are chemoheterotrophic by absorption.
B)   Fungi produce gametes that are motile.
C)   Adult fungal cells are haploid.
D)   Fungal cell walls are composed of chitin.
E)   Fungi are thought to be descendants of a flagellated protist.F) None of the above
G) C) and D)

Question 17

Which feature possessed by most land plants is missing in mosses, which grow low to the ground in damp, shaded areas?

Accepted Answer

A)   vascular tissue, so they must grow along the ground in damp areas to supply water to the cells
B)   cell walls, so they cannot stand upright
C)   a protected zygote, so they must grow in damp areas to supply the zygote with moisture
D)   chlorophyll b, so they can only use filtered light for photosynthesis
E)   starch production, so they only produce small amounts of glucose since any beyond what they use immediately cannot be storedF) B) and D)
G) C) and E)

Question 18

Apples, oranges, peanuts, and rice grains are produced by

Accepted Answer

A)   gymnosperms.
B)   bryophytes.
C)   angiosperms.
D)   charophytes.
E)   lycophytes.F) A) and D)
G) B) and C)

Question 19

In a fungal life cycle, which of the following is/are diploid?

Accepted Answer

A)   the zygote only
B)   the spores only
C)   the hyphae only
D)   the hyphae and spores but not the zygote
E)   the zygote, spores, and hyphaeF) A) and B)
G) A) and E)

Question 20

Which of these is mismatched?

Accepted Answer

A)   bryophytes - flagellated sperm
B)   lycophytes - microphylls
C)   ferns - megaphylls
D)   gymnosperms - fruits
E)   angiosperms - seedsF) A) and D)
G) B) and D)

Exam 18: Plants and Fungi

What would you predict as a likely consequence of eradicating all fungi from soil before sowing it with plant seeds?

Correct AnswerverifiedShow Answer

If a plant has vascular tissue, megaphylls, and seeds, but not flowers, then it is a(n)

Correct AnswerverifiedShow Answer

Some scientists estimate that over half of the world's rainforest has already been lost, mostly due to human activities. What would you predict as a consequence of the massive loss of plant life?

Correct AnswerverifiedShow Answer

________ is the vascular tissue that conducts water and minerals from a plant's roots to its leaves.

Correct AnswerverifiedShow Answer

Apples, oranges, peanuts, and rice grains are produced by

Correct AnswerverifiedShow Answer

By definition, a fruit is derived from the

Correct AnswerverifiedShow Answer

Which of these is found in the moss life cycle?

Correct AnswerverifiedShow Answer

The gametophyte is the dominant generation in

Correct AnswerverifiedShow Answer

Which statement does not apply to all fungi?

Correct AnswerverifiedShow Answer

Beekeepers and scientists are very troubled by a recent decline in bee populations around the world. What would you predict as a likely consequence of the widespread disappearance of bees?

Correct AnswerverifiedShow Answer

Which statement about the plant alternation-of-generations life cycle is incorrect?

Correct AnswerverifiedShow Answer

Which of these is mismatched?

Correct AnswerverifiedShow Answer

Pollen grains are

Correct AnswerverifiedShow Answer

In a fungal life cycle, which of the following is/are diploid?

Correct AnswerverifiedShow Answer

Which feature possessed by most land plants is missing in mosses, which grow low to the ground in damp, shaded areas?

Correct AnswerverifiedShow Answer

Which statement about chytrids is incorrect?

Correct AnswerverifiedShow Answer

Which of the following have microscopically small gametophytes?

Correct AnswerverifiedShow Answer

Which of these is mismatched?

Correct AnswerverifiedShow Answer

How is the mycelium a valuable adaptation for a fungus?

Correct AnswerverifiedShow Answer

Which of these was the first to have well-developed vascular tissue?

Correct AnswerverifiedShow Answer

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