Question 1

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 plants Most of our crop plants are angiosperms, and many of their flowers are adapted to bees as pollinators.F) C) and D)
G) B) and C)

Question 2

The gametophyte is the dominant generation in

Accepted Answer

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

Question 3

Which group of organisms is attacked by Batrachochytrium dendrobatidis, a parasitic chytrid that causes a cutaneous infection called chytridiomycosis?

Accepted Answer

A)   amphibians
B)   bats
C)   humans
D)   rice
E)   corn Batrachochytrium dendrobatidis is a parasitic chytrid that causes a cutaneous infection called chytridiomycosis in frogs around the world. The disease is thought to have originated in South Africa. It began to spread in the 1930s after African clawed frogs were captured and sold as pets and for use in medicine and research. Chytridiomycosis has recently decimated frog populations in Australia and Central and South America.F) A) and B)
G) C) and E)

Question 4

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 gametophyte The embryo is the immature sporophyte, which grows into the sporophyte plant.F) A) and E)
G) C) and D)

Question 5

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

Accepted Answer

A)   gymnosperms.
B)   bryophytes.
C)   angiosperms.
D)   charophytes.
E)   lycophytes. Apples, oranges, peanuts, and rice grains are all fruits, which are characteristic of angiosperms.F) None of the above
G) A) and B) C

Question 6

In black bread mold, spores are produced in structures called

Accepted Answer

A)   clublike structures of the gills.
B)   sporangia.
C)   carpels.
D)   sori.
E)   mycorrhizae. Spores are produced in the sporangia of black bread molds by mitosis.F) A) and B)
G) A) and C)

Question 7

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

Accepted Answer

A)   charophytes
B)   bryophytes
C)   lycophytes
D)   ferns
E)   gymnosperms Lycophytes were among the first group of land plants to have well-developed vascular tissue.F) None of the above
G) B) and E)

Question 8

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. Because the gametophyte is haploid, it is able to produce gametes by mitosis, not meiosis.F) D) and E)
G) All of the above

Question 9

Which structure is a characteristic found only in angiosperms?

Accepted Answer

A)   vascular tissue
B)   seed
C)   leaf
D)   flower
E)   megaphyllF) A) and B)
G) All of the above

Question 10

You discover a green, filamentous multicellular eukaryote growing at the edge of a pond. How could you determine if the organism is a green alga or a plant?

Accepted Answer

A)   Test for the presence of chlorophylls a and b.
B)   Examine the cell walls to see if they are composed of cellulose.
C)   See if the organism stores its excess carbohydrates in the form of starch.
D)   Determine if the organism protects its zygotes.
E)   Determine if the organism protects and nourishes its embryos. Only plants protect and nourish the embryo.F) A) and B)
G) A) and C)

Question 11

Most fungi in the environment function as

Accepted Answer

A)   parasites.
B)   saprotrophs.
C)   photoautotrophs.
D)   producers.
E)   predators. Fungi along with bacteria)  are major saprotrophic decomposers.F) D) and E)
G) A) and E) B

Question 12

Which of these is mismatched?

Accepted Answer

A)   mushroom - fruiting body
B)   angiosperm - flower
C)   lycophyte - microphyll
D)   charophyte - hypha
E)   gymnosperm - seed Hyphae make up the bodies of fungi, not charophytes.F) C) and D)
G) A) and C)

Question 13

A plant has vascular tissue and true roots, stems, and leaves, but it does not produce seeds. The plant has microphylls and bears its sporangia in strobili. This plant is a

Accepted Answer

A)   bryophyte.
B)   fern.
C)   lycophyte.
D)   gymnosperm.
E)   angiosperm. Lycophytes are seedless vascular plants with microphylls and strobili.F) C) and D)
G) A) and C)

Question 14

Which structure is the ovary?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   E A and B are the anther and filament. C and D are the stigma and style. E is the ovary.F) None of the above
G) A) and D)

Question 15

A unicellular, eukaryotic organism has flagella and cell walls of chitin. What is it?

Accepted Answer

A)   charophyte
B)   lycophyte
C)   mycorrhizal fungus
D)   black bread mold
E)   chytridF) B) and E)
G) A) and B)

Question 16

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 stored Mosses lack vascular tissue and therefore need to grow in places where they are constantly bathed in water. This limits mosses to damp, shaded areas and prevents the plant from growing upward away from the water used to bathe the cells of the plant.F) C) and D)
G) B) and C)

Question 17

The body of a typical fungus is termed an)

Accepted Answer

A)   antheridium.
B)   mycorrhiza.
C)   sporangium.
D)   hypha.
E)   mycelium. The body of a fungus is usually a network of hyphae known as a mycelium.F) A) and D)
G) C) and E)

Question 18

Which structure is the anther?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   E A and B are the anther and filament. C and D are the stigma and style. E is the ovary.F) D) and E)
G) B) and C) A

Question 19

The fermentation capabilities of ________ are used to produce bread and alcoholic beverages.

Accepted Answer

A)   yeasts
B)   chytrids
C)   lichens
D)   mycorrhizal fungi
E)   molds Yeasts can ferment sugar, producing alcohol and carbon dioxide. This process is used to make bread, wine, beer, and even distilled spirits.F) None of the above
G) A) and B)

Question 20

In ferns, the dominant generation is the

Accepted Answer

A)   haploid gametophyte.
B)   diploid gametophyte.
C)   haploid sporophyte.
D)   diploid sporophyte.
E)   triploid endosperm. The dominant generation in ferns is the sporophyte, which is diploid.F) B) and C)
G) C) and D)

Exam 18: The Plants and Fungi

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

The gametophyte is the dominant generation in

Correct AnswerverifiedShow Answer

Which group of organisms is attacked by Batrachochytrium dendrobatidis, a parasitic chytrid that causes a cutaneous infection called chytridiomycosis?

Correct AnswerverifiedShow Answer

Which of these is mismatched?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

In black bread mold, spores are produced in structures called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which structure is a characteristic found only in angiosperms?

Correct AnswerverifiedShow Answer

You discover a green, filamentous multicellular eukaryote growing at the edge of a pond. How could you determine if the organism is a green alga or a plant?

Correct AnswerverifiedShow Answer

Most fungi in the environment function as

Correct AnswerverifiedB

Which of these is mismatched?

Correct AnswerverifiedShow Answer

A plant has vascular tissue and true roots, stems, and leaves, but it does not produce seeds. The plant has microphylls and bears its sporangia in strobili. This plant is a

Correct AnswerverifiedShow Answer

Which structure is the ovary?

Correct AnswerverifiedShow Answer

A unicellular, eukaryotic organism has flagella and cell walls of chitin. What is it?

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

The body of a typical fungus is termed an)

Correct AnswerverifiedShow Answer

Which structure is the anther?

Correct AnswerverifiedA

The fermentation capabilities of ________ are used to produce bread and alcoholic beverages.

Correct AnswerverifiedShow Answer

In ferns, the dominant generation is the

Correct AnswerverifiedShow Answer

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C

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B

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A

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