Question 1

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

Question 2

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

Question 3

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. 
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. B

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 stomata 
A)  production of lignin 
B)  development of vascular tissue 
C)  production of a cuticle 
D)  production of pollen 
E)  development of stomata

Question 5

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. 
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.

Question 6

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. 
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.

Question 7

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

Question 8

Flowers and fruits are unique to

Accepted Answer

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

Question 9

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

Question 10

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. 
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.

Question 11

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 thaliana 
A)  the percent of the plants surviving 
B)  the temperature 
C)  the bacteria 
D)  the presence or absence of the antifreeze proteins 
E)  Arabidopsis thaliana

Question 12

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. 
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.

Question 13

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

Question 14

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

Question 15

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

Question 16

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. 
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.

Question 17

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. 
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.

Question 18

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. 
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.

Question 19

In bryophytes,the sporophyte is conspicuous or dominant.

Accepted Answer

A) True 
 B)False

Question 20

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

Exam 19: Plants

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

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?

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

In plants,the

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

Flowers and fruits are unique to

The two classes that make up the angiosperms are

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

A cotyledon is

In dry weather,plants reduce water loss by closing their

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

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

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

In flowering plants,the gametophyte

The four phyla of the gymnosperms are

In bryophytes,the sporophyte is conspicuous or dominant.

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

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