Question 1

The four phyla of the gymnosperms are

Accepted Answer

A)   mosses, liverworts, club mosses, and hornworts.
B)   horsetails, true ferns, whisk ferns, and club mosses.
C)   conifers, monocotyledons, dicotyledons, and cycads.
D)   monocotyledons, dicotyledons, conifers, and cycads.
E)   conifers, cycads, ginkgos, and gnetophytes.F) A) and E)
G) None of the above

Question 2

The tissue of the vascular plant that conducts water and dissolved minerals from the roots to the leaves is the

Accepted Answer

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

Question 3

In bryophytes,the sporophyte is conspicuous or dominant.

Accepted Answer

A) True 
 B)False

Question 4

Plants and algae most recently shared a common ancestor 480 million years ago,and plants colonized land shortly after that.In sexual reproduction,an alga simply releases gametes into the water,and the current carries the sex cells to another individual.What adaptation did plants make in reproduction when they moved to dry land?

Accepted Answer

A)   production of lignin
B)   development of vascular tissue
C)   production of a cuticle
D)   production of pollen
E)   development of stomataF) A) and D)
G) None of the above

Question 5

In dry weather,plants reduce water loss by closing their

Accepted Answer

A)   cuticle.
B)   vascular tissues.
C)   cell membranes.
D)   None of the answer choices are correct.
E)   stomata.F) None of the above
G) B) and E)

Question 6

Why did the authors choose to look specifically for vertebrate mitochondrial genes in their core samples?

Accepted Answer

A)   Animal cells do not have chloroplasts.
B)   They wanted to distinguish animal mitochondria from plant mitochondria.
C)   Animals would have been present in Beringia before plants.
D)   Animal cells do not have a nucleus.
E)   Only vertebrates eat plants.F) A) and D)
G) A) and C)

Question 7

In flowering plants,the gametophyte

Accepted Answer

A)   is both smaller than the sporophyte and can grow independently.
B)   is both larger than the sporophyte and can grow independently.
C)   is smaller than the sporophyte.
D)   is larger than the sporophyte.
E)   can grow independently of the sporophyte.F) B) and C)
G) B) and E)

Question 8

Arabidopsis thaliana is a small angiosperm related to mustard.It is commonly used in plant research experiments.In one such experiment,an antifreeze protein from a species of bacteria was inserted into the genome of Arabidopsis thaliana,and the plants exposed to freezing temperatures.Plants without the antifreeze protein had 90% mortality,while those with the antifreeze protein only had 20% mortality.What was the dependent variable in this experiment?

Accepted Answer

A)   the percent of the plants surviving
B)   the temperature
C)   the bacteria
D)   the presence or absence of the antifreeze proteins
E)   Arabidopsis thalianaF) None of the above
G) B) and E)

Question 9

Arabidopsis thaliana is a small angiosperm related to mustard.The fact that it has 139 genes that correspond to disease-causing genes in humans suggests which of the following?

Accepted Answer

A)   Human and Arabidopsis thaliana cells have the same organelles.
B)   Humans and Arabidopsis thaliana share a common ancestor.
C)   Arabidopsis thaliana evolved from humans.
D)   Arabidopsis thaliana and humans can swap genes through transduction.
E)   Arabidopsis thaliana can cause diseases in humans.F) B) and D)
G) A) and B) B

Question 10

Flowers and fruits are unique to

Accepted Answer

A)   gymnosperms.
B)   conifers.
C)   bryophytes.
D)   angiosperms.
E)   cycads.F) A) and E)
G) A) and C)

Question 11

The part of the plant that absorbs water and nutrients is the

Accepted Answer

A)   Both roots and rhizoids are correct.
B)   vascular tissue.
C)   rhizoid.
D)   stomata.
E)   root.F) A) and B)
G) A) and E)

Question 12

Figuer: 
-Of the three plants measured in the figure,which requires water to allow sperm to swim to the egg?

Accepted Answer

A)   shrubs
B)   herbs
C)   mosses
D)   All of the plant groups rely on sperm swimming to the egg in water.
E)   None of the plant groups rely on sperm swimming to the egg in water.F) A) and B)
G) B) and C)

Question 13

The two classes that make up the angiosperms are

Accepted Answer

A)   horsetails and ferns.
B)   mosses and club mosses.
C)   conifers and gnetophytes.
D)   monocots and eudicots.
E)   ginkgos and cycads.F) A) and B)
G) C) and D)

Question 14

In a biology lab experiment,you and the class planted seeds from eudicot and monocot plants in soil that had been sterilized,to remove nutrients.The seeds of each plant were still able to perform metabolism,enabling them to germinate and begin growing as seedlings.The structure that helped provide the nutrients is the

Accepted Answer

A)   endosperm.
B)   seed coat.
C)   spore coat.
D)   fruit.
E)   pollen grain.F) A) and B)
G) C) and E) A

Question 15

The first land plants were bryophytes,which then branched into ferns,gymnosperms,and finally angiosperms.What key adaptation distinguishes the ferns from the bryophytes?

Accepted Answer

A)   The ferns are able to do photosynthesis.
B)   Ferns do not require water to reproduce.
C)   The ferns are also heterotrophs.
D)   Ferns have a vascular system, which allows them to grow taller.
E)   Ferns go through alternation of generations.F) All of the above
G) C) and E)

Question 16

In gymnosperms and angiosperms,a plant embryo (young sporophyte) packaged with a food supply in a tough outer coat is a

Accepted Answer

A)   gemmae.
B)   fruit.
C)   seed.
D)   sperm.
E)   pollen grain.F) A) and D)
G) A) and E)

Question 17

In alternation of generations,a diploid sporophyte goes through meiosis to form ____ spores.

Accepted Answer

A)   diploid
B)   mega-
C)   tetraploid
D)   haploid
E)   gameto-F) A) and C)
G) A) and B)

Question 18

Which of the following is not a characteristic of all plants?

Accepted Answer

A)   They are eukaryotes.
B)   They are autotrophs.
C)   They are heterotrophs.
D)   They are multicellular organisms.
E)   They carry out photosynthesis.F) C) and E)
G) A) and B) C

Question 19

In plants,the

Accepted Answer

A)   haploid gametophyte produces gametes by meiosis.
B)   haploid gametophyte develops into the sporophyte.
C)   diploid zygote develops into the gametophyte.
D)   diploid zygote develops into the sporophyte.
E)   haploid zygote develops into the sporophyte.F) B) and E)
G) A) and B)

Question 20

A cotyledon is

Accepted Answer

A)   both a nutritional resource and the first leaf for the embryonic plant.
B)   the first leaf structure to arise in the embryo of an angiosperm.
C)   a nutritional resource for the embryo plant.
D)   a spore-like structure used for reproduction in plants.
E)   a part of the fruit tissues of the plant.F) A) and D)
G) A) and B)

Exam 19: Plants

The four phyla of the gymnosperms are

Correct Answer
verified

The tissue of the vascular plant that conducts water and dissolved minerals from the roots to the leaves is the

Correct Answer
verified

In bryophytes,the sporophyte is conspicuous or dominant.

Correct Answer
verified

Correct Answer
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In dry weather,plants reduce water loss by closing their

Correct Answer
verified

Why did the authors choose to look specifically for vertebrate mitochondrial genes in their core samples?

Correct Answer
verified

In flowering plants,the gametophyte

Correct Answer
verified

Correct Answer
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Arabidopsis thaliana is a small angiosperm related to mustard.The fact that it has 139 genes that correspond to disease-causing genes in humans suggests which of the following?

Correct Answer
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B

Flowers and fruits are unique to

Correct Answer
verified

The part of the plant that absorbs water and nutrients is the

Correct Answer
verified

Figuer: -Of the three plants measured in the figure,which requires water to allow sperm to swim to the egg?

Correct Answer
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The two classes that make up the angiosperms are

Correct Answer
verified

Correct Answer
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A

The first land plants were bryophytes,which then branched into ferns,gymnosperms,and finally angiosperms.What key adaptation distinguishes the ferns from the bryophytes?

Correct Answer
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In gymnosperms and angiosperms,a plant embryo (young sporophyte) packaged with a food supply in a tough outer coat is a

Correct Answer
verified

In alternation of generations,a diploid sporophyte goes through meiosis to form ____ spores.

Correct Answer
verified

Which of the following is not a characteristic of all plants?

Correct Answer
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C

In plants,the

Correct Answer
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A cotyledon is

Correct Answer
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Exam 19: Plants

The four phyla of the gymnosperms are

Correct AnswerverifiedShow Answer

The tissue of the vascular plant that conducts water and dissolved minerals from the roots to the leaves is the

Correct AnswerverifiedShow Answer

In bryophytes,the sporophyte is conspicuous or dominant.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In dry weather,plants reduce water loss by closing their

Correct AnswerverifiedShow Answer

Why did the authors choose to look specifically for vertebrate mitochondrial genes in their core samples?

Correct AnswerverifiedShow Answer

In flowering plants,the gametophyte

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Arabidopsis thaliana is a small angiosperm related to mustard.The fact that it has 139 genes that correspond to disease-causing genes in humans suggests which of the following?

Correct AnswerverifiedB

Flowers and fruits are unique to

Correct AnswerverifiedShow Answer

The part of the plant that absorbs water and nutrients is the

Correct AnswerverifiedShow Answer

Figuer: -Of the three plants measured in the figure,which requires water to allow sperm to swim to the egg?

Correct AnswerverifiedShow Answer

The two classes that make up the angiosperms are

Correct AnswerverifiedShow Answer

Correct AnswerverifiedA

The first land plants were bryophytes,which then branched into ferns,gymnosperms,and finally angiosperms.What key adaptation distinguishes the ferns from the bryophytes?

Correct AnswerverifiedShow Answer

In gymnosperms and angiosperms,a plant embryo (young sporophyte) packaged with a food supply in a tough outer coat is a

Correct AnswerverifiedShow Answer

In alternation of generations,a diploid sporophyte goes through meiosis to form ____ spores.

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of all plants?

Correct AnswerverifiedC

In plants,the

Correct AnswerverifiedShow Answer

A cotyledon is

Correct AnswerverifiedShow Answer

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B

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A

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C

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