Question 1

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.
-true leaf

Accepted Answer

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

Question 2

What is the name of the phylum of nonvascular plants that produces hornlike sporophytes?

Accepted Answer

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

Question 3

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.
-protonema

Accepted Answer

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

Question 4

Much of the world's coal reserves were formed from the buried remains of the dominant plants of the Carboniferous period. What were the dominant plants of the period?

Accepted Answer

A)  gymnosperms and angiosperms
B)  angiosperms only
C)  gymnosperms only
D)  seedless vascular plants

Question 5

Which phylum consists of vascular, seed-bearing plants and has about 185 known living species?

Accepted Answer

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

Question 6

Which phrase refers to an advantage that angiosperms have in the form of a nutritive tissue produced during fertilization?

Accepted Answer

A)  a unique triploid pollen sac
B)  a unique triploid endosperm
C)  a unique triploid ovary
D)  a unique triploid ovule

Question 7

Describe the major differences between seedless vascular plants, gymnosperms, and angiosperms.

Accepted Answer

Gymnosperms and angiosperms (seed plants...

Question 8

Which sentence best describes the relationship between sporophyte and gametophyte in the moss life cycle?

Accepted Answer

A)  Gametophytes originate within and are dependent upon sporophytes.
B)  Gametophytes are photosynthetic and partially independent from the sporophytes.
C)  Both gametophytes and sporophytes are totally independent from each other and are equally dominant.
D)  Sporophytes originate within and are dependent upon gametophytes.

Question 9

What is the name of the lignified, tubelike structures that branch throughout the body of some plants, conducting water and solutes?

Accepted Answer

A)  root systems
B)  rhizomes
C)  shoot systems
D)  vascular tissues

Question 10

Which sentence describes the relationship between sporophyte and gametophyte in the fern life cycle?

Accepted Answer

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

Question 11

When a plant is heterosporous, what does this mean?

Accepted Answer

A)  It has both sporophyte and gametophyte generations.
B)  It has male and female gametes.
C)  It has two spore types.
D)  It has separate male and female plants.

Question 12

This group is one of the two main angiosperm clades. This group has about 200 000 species, and most have two cotyledons. What is the name of this plant group?

Accepted Answer

A)  eudicots
B)  monocots
C)  magnoliids
D)  orchids

Question 13

What did Darwin famously refer to as an "abominable mystery"?

Accepted Answer

A)  the associations between specific types of flowers and specific animal pollinators
B)  the alternation of generations in plants
C)  the sudden appearance and immediate diversification of flowering plants in the fossil record
D)  the development of vascular plants

Question 14

Suppose you are a botanist and you discover a plant that has large blue flowers and a woody fruit. Into which group should you classify this plant?

Accepted Answer

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

Question 15

Which term refers to a structure with stems and leaves that arise from apical meristems?

Accepted Answer

A)  protonema
B)  rhizome
C)  shoot system
D)  vascular system

Question 16

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.
-pollen grain

Accepted Answer

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

Question 17

Which phylum of vascular, seed-bearing plants comprises about 80% of all living gymnosperms?

Accepted Answer

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

Question 18

From which generation does the pollen grain develop?

Accepted Answer

A)  from the female gametophyte
B)  from the female sporophyte
C)  from the male sporophyte
D)  from the male gametophyte

Question 19

Which term refers to a haploid organism that produces gametes?

Accepted Answer

A)  spore
B)  gametophyte
C)  gamete
D)  sporophyte

Question 20

Suppose you are a botanist and you discover a plant that has a dominant gametophyte, but no xylem or phloem. Into which group should you classify this plant?

Accepted Answer

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

Exam 26: Plants

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. -protonema

Correct AnswerverifiedShow Answer

Describe the major differences between seedless vascular plants, gymnosperms, and angiosperms.

Correct AnswerverifiedGymnosperms and angiosperms (seed plants...View AnswerShow Answer

What is the name of the phylum of nonvascular plants that produces hornlike sporophytes?

Correct AnswerverifiedShow Answer

Which phylum of vascular, seed-bearing plants comprises about 80% of all living gymnosperms?

Correct AnswerverifiedShow Answer

When a plant is heterosporous, what does this mean?

Correct AnswerverifiedShow Answer

What did Darwin famously refer to as an "abominable mystery"?

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. -pollen grain

Correct AnswerverifiedShow Answer

Which phrase refers to an advantage that angiosperms have in the form of a nutritive tissue produced during fertilization?

Correct AnswerverifiedShow Answer

Which sentence describes the relationship between sporophyte and gametophyte in the fern life cycle?

Correct AnswerverifiedShow Answer

This group is one of the two main angiosperm clades. This group has about 200 000 species, and most have two cotyledons. What is the name of this plant group?

Correct AnswerverifiedShow Answer

Suppose you are a botanist and you discover a plant that has a dominant gametophyte, but no xylem or phloem. Into which group should you classify this plant?

Correct AnswerverifiedShow Answer

Which sentence best describes the relationship between sporophyte and gametophyte in the moss life cycle?

Correct AnswerverifiedShow Answer

Which term refers to a haploid organism that produces gametes?

Correct AnswerverifiedShow Answer

What is the name of the lignified, tubelike structures that branch throughout the body of some plants, conducting water and solutes?

Correct AnswerverifiedShow Answer

Which phylum consists of vascular, seed-bearing plants and has about 185 known living species?

Correct AnswerverifiedShow Answer

From which generation does the pollen grain develop?

Correct AnswerverifiedShow Answer

Much of the world's coal reserves were formed from the buried remains of the dominant plants of the Carboniferous period. What were the dominant plants of the period?

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. -true leaf

Correct AnswerverifiedShow Answer

Suppose you are a botanist and you discover a plant that has large blue flowers and a woody fruit. Into which group should you classify this plant?

Correct AnswerverifiedShow Answer

Which term refers to a structure with stems and leaves that arise from apical meristems?

Correct AnswerverifiedShow Answer

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Gymnosperms and angiosperms (seed plants...
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