Question 1

Which phylum includes members that are considered by many researchers to be the living plants most closely related to the first land plants, based on morphology and mitochondrial gene sequence data?

Accepted Answer

A)  Hepatophyta
B)  Bryophyta
C)  Pterophyta
D)  Anthocerophyta

Question 2

When was the Carboniferous period?

Accepted Answer

A)  about 17 million years ago
B)  about 125 million years ago
C)  about 250 million years ago
D)  about 1.5 billion years ago

Question 3

What is the name for the phylum of seedless vascular plants that has about 1000 known living species, including those in the genera Lycopodium and Selaginella?

Accepted Answer

A)  Bryophyta
B)  Anthocerophyta
C)  Pterophyta
D)  Lycophyta

Question 4

Suppose you are a botanist and you discover a plant that has a small free-living gametophyte that requires external water for fertilization and a large free-living sporophyte. The free-living sporophyte eventually releases spores from sporangia on the margins of its leaves. Into which group should you classify this plant?

Accepted Answer

A)  gymnosperms
B)  angiosperms
C)  seedless vascular plants
D)  bryophytes

Question 5

Which phylum of vascular, seed-bearing plants includes pines, spruces, and firs?

Accepted Answer

A)  Gnetophyta
B)  Cycadophyta
C)  Ginkgophyta
D)  Coniferophyta

Question 6

Which term best describes the relationship between angiosperms and animal pollinators?

Accepted Answer

A)  The plants coevolved with the animals.
B)  The plants competed with the animals.
C)  The plants have been driven to extinction by the animals.
D)  The plants had antagonistic relationships with the animals.

Question 7

Which of the following describes the pine life cycle?

Accepted Answer

A)  Gametophytes are free living and photosynthetic, but are replaced by a dominant sporophyte generation.
B)  Sporophytes originate within and are dependent upon gametophytes.
C)  Gametophytes originate within and are dependent upon sporophytes.
D)  Both gametophytes and sporophytes are totally independent from each other and are equally dominant.

Question 8

Which phylum of vascular, seed-bearing plants has only about 70 living species in three genera, including Welwitschia and Ephedra?

Accepted Answer

A)  Anthophyta
B)  Ginkgophyta
C)  Gnetophyta
D)  Coniferophyta

Question 9

Which phylum of vascular, seed-bearing plants has over 260 000 known living species, and is the dominant group of land plants today?

Accepted Answer

A)  Cycadophyta
B)  Ginkgophyta
C)  Gnetophyta
D)  Anthophyta

Question 10

An embryo sporophyte is surrounded by nutritive tissue and then by a tough, protective outer coat that shelters the embryo from drought, cold, and other adverse conditions. What is the name of the protective coat?

Accepted Answer

A)  seed
B)  strobilus
C)  ovule
D)  spore

Question 11

Which phylum of nonvascular plants has about 10 000 known living species, including those in the genus Sphagnum?

Accepted Answer

A)  Pterophyta
B)  Hepatophyta
C)  Lycophyta
D)  Bryophyta

Question 12

What were the most direct ancestors of modern plants?

Accepted Answer

A)  cyanobacteria
B)  fungi
C)  green algae
D)  sponges

Question 13

Which term refers to a young moss gametophyte?

Accepted Answer

A)  antheridium
B)  capsule
C)  protonema
D)  prothallus

Question 14

Which term refers to the specialized male gametophyte of seed plants, such as gymnosperms?

Accepted Answer

A)  pollen grain
B)  strobilus
C)  sporopollenin
D)  ovule

Question 15

In which plants is the sporophyte generation clearly larger, more complex, and longer living than the gametophyte generation?

Accepted Answer

A)  in seedless plants
B)  in seed plants
C)  in bryophytes
D)  in all vascular plants

Question 16

Which of the following are the likely pollinators of a red flower with very little odour?

Accepted Answer

A)  bats
B)  butterflies
C)  birds
D)  flies

Question 17

Match each plant structure or stage of the plant life cycle with the term that best describes the cells in that structure or stage. Each term may be used once, more than once, or not at all.
-zygote

Accepted Answer

A)  haploid (n) 
B)  diploid (2n) 
C)  some haploid and some diploid cells
D)  triploid (3n)

Question 18

Which phylum of vascular, seed-bearing plants is limited to one living species that is a deciduous tree with fan-shaped leaves?

Accepted Answer

A)  Gnetophyta
B)  Anthophyta
C)  Cycadophyta
D)  Ginkgophyta

Question 19

Consider a plant in which a multicellular generation is able to make both sperm and eggs. Which term describes such a plant?

Accepted Answer

A)  bryophyte
B)  homosporous
C)  heterosporous
D)  lycophyte

Question 20

Which phylum includes club mosses and their close relatives?

Accepted Answer

A)  Lycophyta
B)  Pterophyta
C)  Anthocerophyta
D)  Bryophyta

Exam 26: Plants

Correct Answer
verified

What were the most direct ancestors of modern plants?

Correct Answer
verified

Which phylum includes members that are considered by many researchers to be the living plants most closely related to the first land plants, based on morphology and mitochondrial gene sequence data?

Correct Answer
verified

Which term refers to a young moss gametophyte?

Correct Answer
verified

Which phylum of vascular, seed-bearing plants includes pines, spruces, and firs?

Correct Answer
verified

Which of the following are the likely pollinators of a red flower with very little odour?

Correct Answer
verified

In which plants is the sporophyte generation clearly larger, more complex, and longer living than the gametophyte generation?

Correct Answer
verified

An embryo sporophyte is surrounded by nutritive tissue and then by a tough, protective outer coat that shelters the embryo from drought, cold, and other adverse conditions. What is the name of the protective coat?

Correct Answer
verified

Which phylum includes club mosses and their close relatives?

Correct Answer
verified

Which phylum of vascular, seed-bearing plants is limited to one living species that is a deciduous tree with fan-shaped leaves?

Correct Answer
verified

Match each plant structure or stage of the plant life cycle with the term that best describes the cells in that structure or stage. Each term may be used once, more than once, or not at all. -zygote

Correct Answer
verified

Which term best describes the relationship between angiosperms and animal pollinators?

Correct Answer
verified

Which phylum of nonvascular plants has about 10 000 known living species, including those in the genus Sphagnum?

Correct Answer
verified

When was the Carboniferous period?

Correct Answer
verified

What is the name for the phylum of seedless vascular plants that has about 1000 known living species, including those in the genera Lycopodium and Selaginella?

Correct Answer
verified

Which phylum of vascular, seed-bearing plants has over 260 000 known living species, and is the dominant group of land plants today?

Correct Answer
verified

Which term refers to the specialized male gametophyte of seed plants, such as gymnosperms?

Correct Answer
verified

Which of the following describes the pine life cycle?

Correct Answer
verified

Consider a plant in which a multicellular generation is able to make both sperm and eggs. Which term describes such a plant?

Correct Answer
verified

Which phylum of vascular, seed-bearing plants has only about 70 living species in three genera, including Welwitschia and Ephedra?

Correct Answer
verified

Exam 26: Plants

Correct AnswerverifiedShow Answer

What were the most direct ancestors of modern plants?

Correct AnswerverifiedShow Answer

Which phylum includes members that are considered by many researchers to be the living plants most closely related to the first land plants, based on morphology and mitochondrial gene sequence data?

Correct AnswerverifiedShow Answer

Which term refers to a young moss gametophyte?

Correct AnswerverifiedShow Answer

Which phylum of vascular, seed-bearing plants includes pines, spruces, and firs?

Correct AnswerverifiedShow Answer

Which of the following are the likely pollinators of a red flower with very little odour?

Correct AnswerverifiedShow Answer

In which plants is the sporophyte generation clearly larger, more complex, and longer living than the gametophyte generation?

Correct AnswerverifiedShow Answer

An embryo sporophyte is surrounded by nutritive tissue and then by a tough, protective outer coat that shelters the embryo from drought, cold, and other adverse conditions. What is the name of the protective coat?

Correct AnswerverifiedShow Answer

Which phylum includes club mosses and their close relatives?

Correct AnswerverifiedShow Answer

Which phylum of vascular, seed-bearing plants is limited to one living species that is a deciduous tree with fan-shaped leaves?

Correct AnswerverifiedShow Answer

Match each plant structure or stage of the plant life cycle with the term that best describes the cells in that structure or stage. Each term may be used once, more than once, or not at all. -zygote

Correct AnswerverifiedShow Answer

Which term best describes the relationship between angiosperms and animal pollinators?

Correct AnswerverifiedShow Answer

Which phylum of nonvascular plants has about 10 000 known living species, including those in the genus Sphagnum?

Correct AnswerverifiedShow Answer

When was the Carboniferous period?

Correct AnswerverifiedShow Answer

What is the name for the phylum of seedless vascular plants that has about 1000 known living species, including those in the genera Lycopodium and Selaginella?

Correct AnswerverifiedShow Answer

Which phylum of vascular, seed-bearing plants has over 260 000 known living species, and is the dominant group of land plants today?

Correct AnswerverifiedShow Answer

Which term refers to the specialized male gametophyte of seed plants, such as gymnosperms?

Correct AnswerverifiedShow Answer

Which of the following describes the pine life cycle?

Correct AnswerverifiedShow Answer

Consider a plant in which a multicellular generation is able to make both sperm and eggs. Which term describes such a plant?

Correct AnswerverifiedShow Answer

Which phylum of vascular, seed-bearing plants has only about 70 living species in three genera, including Welwitschia and Ephedra?

Correct AnswerverifiedShow Answer

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