Campbell Biology 8th Ed Test Bank Chapter 32, An Introduction to Animal Diversity
1) The sporophytes of mosses depend on the gametophytes for water and nutrition. In seed
plants, the reverse is true. From which seed plant sporophyte structure(s) do the immature
(unfertilized) gametophytes directly gain water and nutrition?
A) sporophylls
B) embryos
C) sporangia
D) sporopollenin
E) ovary - (answer)C
Topic: Concept 30.1
: Knowledge/Comprehension
2) The result of heterospory is
A) the existence of male and female sporophytes.
B) the existence of male and female gametophytes.
C) the absence of sexuality from both plant generations.
D) both (A) and (B) above. - (answer)B
Topic: Concept 30.1
: Application/Analysis
3) Which of the following is an ongoing trend in the evolution of land plants?
A) decrease in the size of the leaf
B) reduction of the gametophyte phase of the life cycle
C) elimination of sperm cells or sperm nuclei
D) increasing reliance on water to bring sperm and egg together
E) replacement of roots by rhizoids - (answer)B
Topic: Concept 30.1
,Campbell Biology 8th Ed Test Bank Chapter 32, An Introduction to Animal Diversity
: Knowledge/Comprehension
615
4) All of the following cellular structures are functionally important in cells of the
gametophytes of both angiosperms and gymnosperms, except
A) haploid nuclei.
B) mitochondria.
C) cell walls.
D) chloroplasts.
E) peroxisomes. - (answer)D
Topic: Concept 30.1
: Application/Analysis
5) Plants with a dominant sporophyte are successful on land partly because
A) having no stomata, they lose less water.
B) they all disperse by means of seeds.
C) diploid plants experience fewer mutations than do haploid plants.
D) their gametophytes are completely enclosed within sporophyte tissue.
E) eggs and sperm need not be produced. - (answer)D
Topic: Concept 30.1
: Knowledge/Comprehension
6) The seed coatʹs most important function is to provide
A) a nonstressful environment for the megasporangium.
B) the means for dispersal.
C) dormancy.
D) a nutrient supply for the embryo.
E) desiccation resistance. - (answer)E
,Campbell Biology 8th Ed Test Bank Chapter 32, An Introduction to Animal Diversity
Topic: Concept 30.1
: Knowledge/Comprehension
7) In addition to seeds, which of the following characteristics are unique to the
seed-producing plants?
A) sporopollenin
B) lignin present in cell walls
C) pollen
D) use of air currents as a dispersal agent
E) megaphylls - (answer)C
Topic: Concept 30.1
: Knowledge/Comprehension
616 Chapter 30, Plant Diversity II: The Evolution of Seed Plants
8) Which of the following most closely represents the male gametophyte of seed-bearing
plants?
A) ovule
B) microspore mother cell
C) pollen grain interior
D) embryo sac
E) fertilized egg - (answer)C
Topic: Concept 30.1
: Knowledge/Comprehension
9) Suppose that the cells of seed plants, like the skin cells of humans, produce a pigment upon
increased exposure to UV radiation. Rank the cells below, from greatest to least, in terms of
the likelihood of producing this pigment.
, Campbell Biology 8th Ed Test Bank Chapter 32, An Introduction to Animal Diversity
1. cells of sporangium
2. cells in the interior of a subterranean root
3. epidermal cells of sporophyte megaphylls
4. cells of a gametophyte
A) 3, 4, 1, 2
B) 3, 4, 2, 1
C) 3, 1, 4, 2
D) 3, 2, 1, 4
E) 3, 1, 2, 4 - (answer)C
Topic: Concept 30.1
: Synthesis/Evaluation
Chapter 30, Plant Diversity II: The Evolution of Seed Plants 617
The following questions refer to the generalized life cycle for land plants shown in Figure 30.1. Each
number within
a circle or square represents a specific plant or plant part, and each number over an arrow represents
either meiosis,
mitosis, or fertilization.
Figure 30.1
10) Which number represents the mature gametophyte?
A) 1
B) 3
C) 5
D) 7
E) 11 - (answer)D
Topic: Concept 30.1
: Knowledge/Comprehension
1) The sporophytes of mosses depend on the gametophytes for water and nutrition. In seed
plants, the reverse is true. From which seed plant sporophyte structure(s) do the immature
(unfertilized) gametophytes directly gain water and nutrition?
A) sporophylls
B) embryos
C) sporangia
D) sporopollenin
E) ovary - (answer)C
Topic: Concept 30.1
: Knowledge/Comprehension
2) The result of heterospory is
A) the existence of male and female sporophytes.
B) the existence of male and female gametophytes.
C) the absence of sexuality from both plant generations.
D) both (A) and (B) above. - (answer)B
Topic: Concept 30.1
: Application/Analysis
3) Which of the following is an ongoing trend in the evolution of land plants?
A) decrease in the size of the leaf
B) reduction of the gametophyte phase of the life cycle
C) elimination of sperm cells or sperm nuclei
D) increasing reliance on water to bring sperm and egg together
E) replacement of roots by rhizoids - (answer)B
Topic: Concept 30.1
,Campbell Biology 8th Ed Test Bank Chapter 32, An Introduction to Animal Diversity
: Knowledge/Comprehension
615
4) All of the following cellular structures are functionally important in cells of the
gametophytes of both angiosperms and gymnosperms, except
A) haploid nuclei.
B) mitochondria.
C) cell walls.
D) chloroplasts.
E) peroxisomes. - (answer)D
Topic: Concept 30.1
: Application/Analysis
5) Plants with a dominant sporophyte are successful on land partly because
A) having no stomata, they lose less water.
B) they all disperse by means of seeds.
C) diploid plants experience fewer mutations than do haploid plants.
D) their gametophytes are completely enclosed within sporophyte tissue.
E) eggs and sperm need not be produced. - (answer)D
Topic: Concept 30.1
: Knowledge/Comprehension
6) The seed coatʹs most important function is to provide
A) a nonstressful environment for the megasporangium.
B) the means for dispersal.
C) dormancy.
D) a nutrient supply for the embryo.
E) desiccation resistance. - (answer)E
,Campbell Biology 8th Ed Test Bank Chapter 32, An Introduction to Animal Diversity
Topic: Concept 30.1
: Knowledge/Comprehension
7) In addition to seeds, which of the following characteristics are unique to the
seed-producing plants?
A) sporopollenin
B) lignin present in cell walls
C) pollen
D) use of air currents as a dispersal agent
E) megaphylls - (answer)C
Topic: Concept 30.1
: Knowledge/Comprehension
616 Chapter 30, Plant Diversity II: The Evolution of Seed Plants
8) Which of the following most closely represents the male gametophyte of seed-bearing
plants?
A) ovule
B) microspore mother cell
C) pollen grain interior
D) embryo sac
E) fertilized egg - (answer)C
Topic: Concept 30.1
: Knowledge/Comprehension
9) Suppose that the cells of seed plants, like the skin cells of humans, produce a pigment upon
increased exposure to UV radiation. Rank the cells below, from greatest to least, in terms of
the likelihood of producing this pigment.
, Campbell Biology 8th Ed Test Bank Chapter 32, An Introduction to Animal Diversity
1. cells of sporangium
2. cells in the interior of a subterranean root
3. epidermal cells of sporophyte megaphylls
4. cells of a gametophyte
A) 3, 4, 1, 2
B) 3, 4, 2, 1
C) 3, 1, 4, 2
D) 3, 2, 1, 4
E) 3, 1, 2, 4 - (answer)C
Topic: Concept 30.1
: Synthesis/Evaluation
Chapter 30, Plant Diversity II: The Evolution of Seed Plants 617
The following questions refer to the generalized life cycle for land plants shown in Figure 30.1. Each
number within
a circle or square represents a specific plant or plant part, and each number over an arrow represents
either meiosis,
mitosis, or fertilization.
Figure 30.1
10) Which number represents the mature gametophyte?
A) 1
B) 3
C) 5
D) 7
E) 11 - (answer)D
Topic: Concept 30.1
: Knowledge/Comprehension
