Question 1

In alternation of generations,two haploid gametes fuse in fertilization to form a ____ zygote.

Accepted Answer

A)   tetraploid
B)   haploid
C)   gametophytic
D)   diploid
E)   triploidF) A) and B)
G) A) and C)

Question 2

The part of the vascular plant that is a waxy coating to minimize water loss from leaves is the

Accepted Answer

A)   stomata.
B)   cuticle.
C)   root.
D)   xylem.
E)   phloem.F) A) and B)
G) B) and C)

Question 3

Openings in the plant leaves,as shown in the image below,are called ___ and allow for the exchange of carbon dioxide and oxygen.

Accepted Answer

A)   root.
B)   xylem.
C)   cuticle.
D)   stomata.
E)   phloem.F) B) and D)
G) C) and D)

Question 4

The adaptations that are most responsible for gymnosperms and angiosperms being able to live and reproduce in much drier habitats than bryophytes and plants such as club mosses are the production of

Accepted Answer

A)   seeds, spores, and fronds.
B)   All of the answer choices are correct.
C)   spores and gemmae.
D)   vascular tissue, spores, fronds, and gemmae.
E)   pollen grains and seeds.F) A) and D)
G) B) and D)

Question 5

Production of the lignin molecule in xylem cells is an adaptation that gives what terrestrial plant benefit to vascular plants?

Accepted Answer

A)   Lignin provides strength for the plant to grow tall, and with branches.
B)   Lignin allows the xylem to transport the sugars produced in photosynthesis, without reaction that would break them apart.
C)   Lignin is a waxy molecule that reduces water loss to the atmosphere, as water is pumped throughout the plant.
D)   Lignin works within the xylem cells to promote active transport pumping of water and nutrients in each cell.
E)   Lignin reacts with CO2 in the water, transforming it to O2, which is necessary for photosynthesis.F) C) and D)
G) B) and C)

Question 6

Figuer: 
-In suggesting alternative hypotheses to explain in the figure above,your lab partner states that perhaps mosses didn't evolve until recently,which is why they increase after herbs and shrubs.Which of the following would be the best response to your lab partner?

Accepted Answer

A)   Mammoths probably ate the mosses, so they did not appear until after the mammoths went extinct.
B)   If you look carefully at the graph, there were a few mosses present 300,000 years ago, so they probably arose then.
C)   Moss increases in more recent years indicate an environmental shift to wetter growing conditions.
D)   Mosses were actually the first land plants to appear.
E)   Mosses are better adapted to dry climates.F) D) and E)
G) B) and E)

Question 7

The organelle that contains chlorophyll a and carries out photosynthesis in plants is the

Accepted Answer

A)   mitochondria.
B)   cell membrane.
C)   Golgi body.
D)   chloroplast.
E)   central vacuole.F) B) and E)
G) All of the above

Question 8

Fossil evidence places the origin of angiosperms in the early Cretaceous period,at least 130 million years ago.By 100 million years ago,all of today's major lineages of angiosperms were in place.Angiosperms make up 95% of all modern plant species.Which of the following may help explain the rapid success of angiosperms?

Accepted Answer

A)   use of the wind to disperse pollen and seeds
B)   Animals eating the plants helped to disperse both pollen and seeds.
C)   use of the wind to disperse spores
D)   use of water to disperse pollen and seeds
E)   Flowers and fruits help protect and disperse both pollen and seeds.F) A) and C)
G) B) and D)

Question 9

The first land plants were bryophytes,which then branched into ferns,gymnosperms,and finally angiosperms.What advantage did angiosperms have over gymnosperms?

Accepted Answer

A)   Angiosperms produce pollen and do not require water to reproduce.
B)   Angiosperms go through alternation of generations.
C)   Angiosperms have a vascular system, which allowed them to grow taller.
D)   Angiosperms can produce flowers and fruits to aid in seed dispersal.
E)   The angiosperms can produce spores which are more stable than seeds from gymnosperms.F) A) and B)
G) B) and E)

Question 10

A gaseous hormone produced by plants that helps control fruit ripening is

Accepted Answer

A)   dextrose.
B)   carbon dioxide.
C)   chlorophyll.
D)   ethylene.
E)   carotene.F) All of the above
G) B) and D)

Question 11

Why did the authors choose to look for the rubisco gene in the DNA samples taken from permafrost?

Accepted Answer

A)   Plant cells do not have mitochondria.
B)   It is used in respiration by all plants.
C)   It is used in photosynthesis by all plants.
D)   Plant cells do not have a nucleus.
E)   It is only present in angiosperms (flowering plants) .F) D) and E)
G) C) and D)

Question 12

The adaptive benefit of flowers in the angiosperms is that they

Accepted Answer

A)   are structures of plants that are only ornamental and have no reproductive value in plants.
B)   produce egg cells only.
C)   produce pollen only.
D)   are produced by both gymnosperms and angiosperms.
E)   produce both pollen and egg cells.F) A) and E)
G) A) and B)

Question 13

Molecular evidence suggests that plants and green algae do not descend from a common ancestor.

Accepted Answer

A) True 
 B)False

Question 14

Plants and algae most recently shared a common ancestor 480 million years ago,and plants colonized land shortly after that.Light,water,minerals,and dissolved gases surround the whole body of a submerged green alga,and the buoyancy of water provides physical support.What adaptation did plants make in taking up water and minerals when they moved to dry land?

Accepted Answer

A)   production of lignin
B)   production of a cuticle
C)   production of pollen
D)   development of vascular tissue
E)   development of stomataF) C) and E)
G) A) and B)

Exam 19: Plants

Figuer: -In suggesting alternative hypotheses to explain in the figure above,your lab partner states that perhaps mosses didn't evolve until recently,which is why they increase after herbs and shrubs.Which of the following would be the best response to your lab partner?

Correct Answer
verified

In alternation of generations,two haploid gametes fuse in fertilization to form a ____ zygote.

Correct Answer
verified

The first land plants were bryophytes,which then branched into ferns,gymnosperms,and finally angiosperms.What advantage did angiosperms have over gymnosperms?

Correct Answer
verified

The adaptive benefit of flowers in the angiosperms is that they

Correct Answer
verified

The adaptations that are most responsible for gymnosperms and angiosperms being able to live and reproduce in much drier habitats than bryophytes and plants such as club mosses are the production of

Correct Answer
verified

Why did the authors choose to look for the rubisco gene in the DNA samples taken from permafrost?

Correct Answer
verified

The organelle that contains chlorophyll a and carries out photosynthesis in plants is the

Correct Answer
verified

The part of the vascular plant that is a waxy coating to minimize water loss from leaves is the

Correct Answer
verified

Production of the lignin molecule in xylem cells is an adaptation that gives what terrestrial plant benefit to vascular plants?

Correct Answer
verified

Molecular evidence suggests that plants and green algae do not descend from a common ancestor.

Correct Answer
verified

A gaseous hormone produced by plants that helps control fruit ripening is

Correct Answer
verified

Correct Answer
verified

Openings in the plant leaves,as shown in the image below,are called ___ and allow for the exchange of carbon dioxide and oxygen.

Correct Answer
verified

Correct Answer
verified

Exam 19: Plants

Figuer: -In suggesting alternative hypotheses to explain in the figure above,your lab partner states that perhaps mosses didn't evolve until recently,which is why they increase after herbs and shrubs.Which of the following would be the best response to your lab partner?

Correct AnswerverifiedShow Answer

In alternation of generations,two haploid gametes fuse in fertilization to form a ____ zygote.

Correct AnswerverifiedShow Answer

The first land plants were bryophytes,which then branched into ferns,gymnosperms,and finally angiosperms.What advantage did angiosperms have over gymnosperms?

Correct AnswerverifiedShow Answer

The adaptive benefit of flowers in the angiosperms is that they

Correct AnswerverifiedShow Answer

The adaptations that are most responsible for gymnosperms and angiosperms being able to live and reproduce in much drier habitats than bryophytes and plants such as club mosses are the production of

Correct AnswerverifiedShow Answer

Why did the authors choose to look for the rubisco gene in the DNA samples taken from permafrost?

Correct AnswerverifiedShow Answer

The organelle that contains chlorophyll a and carries out photosynthesis in plants is the

Correct AnswerverifiedShow Answer

The part of the vascular plant that is a waxy coating to minimize water loss from leaves is the

Correct AnswerverifiedShow Answer

Production of the lignin molecule in xylem cells is an adaptation that gives what terrestrial plant benefit to vascular plants?

Correct AnswerverifiedShow Answer

Molecular evidence suggests that plants and green algae do not descend from a common ancestor.

Correct AnswerverifiedShow Answer

A gaseous hormone produced by plants that helps control fruit ripening is

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Openings in the plant leaves,as shown in the image below,are called ___ and allow for the exchange of carbon dioxide and oxygen.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct Answer
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