Question 1

One way to get fruit to ripen faster is to place it in a paper bag with other ripe fruit.Which of the following best explains this observation?

Accepted Answer

A)  Ripe fruit releases ethylene gas.
B)  Ripe fruit breaks down auxins.
C)  The lack of oxygen promotes photosynthesis which ripens the fruit.
D)  Ripe fruit carries fungi that attack other fruit.
E)  When fruit is in the dark it thinks it is underground and begins to germinatE.F) A) and C)
G) B) and E)

Question 2

The size of a plant's seeds reflects an evolutionary trade-off.Large,heavy seeds contain ample nutrient reserves to fuel seedling growth but may not travel far.Small seeds,on the other hand,store limited nutrients but tend to disperse far and wide.The crops that humans cultivate typically have larger seeds than do their wild ancestors.How has human farming altered the evolution of these crops?

Accepted Answer

A)  We grow the plants under conditions that favor the growth of larger seeds.
B)  We have created crop plants that are more competitive in the wild than their ancestors.
C)  By using fertilizers the seeds do not need to store as many nutrients.
D)  Because we spread the seeds,we can spread more smaller seeds per acre,thus favoring these plants.
E)  We have removed the selection pressure favoring small seed sizE.F) A) and B)
G) A) and C)

Question 3

Angiosperms owe their widespread distribution to their production of pollen,seeds,and flowers.What is the greatest advantage to the production of pollen?

Accepted Answer

A)  It allows fertilization in the absence of water.
B)  It is necessary for sexual reproduction.
C)  It allows fertilization in moist areas.
D)  It promotes pollination.
E)  It protects and nourishes the embryo.F) All of the above
G) A) and D)

Question 4

Clones are

Accepted Answer

A)  offspring that are produced sexually and are genetically identical to their parent.
B)  offspring that are genetically identical to their parent only.
C)  produced by asexual reproduction only.
D)  offspring that are produced asexually and are genetically identical to their parent.
E)  produced by sexual reproduction only.F) B) and E)
G) A) and E)

Question 5

The whorl of a flower that consists of the male reproductive parts is the

Accepted Answer

A)  stamen.
B)  calyx.
C)  stigma.
D)  carpel.
E)  corolla.F) A) and C)
G) A) and E)

Question 6

The plant hormone that triggers the withering of petals and stamens and promotes fruit ripening is

Accepted Answer

A)  abscisic acid.
B)  cytokinin.
C)  gibberellin.
D)  auxin.
E)  ethylenE.F) A) and B)
G) A) and C)

Question 7

Gymnosperms are flowering plants.

Accepted Answer

A) True 
 B)False

Question 8

The portion of a flower that receives the pollen is the

Accepted Answer

A)  style.
B)  anther.
C)  ovary.
D)  stigma.
E)  sepal.F) None of the above
G) A) and C)

Question 9

The type of fruit derived from one flower with one carpel is a(n) ______________ fruit.

Accepted Answer

A)  simple
B)  double
C)  aggregate
D)  axillary
E)  multipleF) B) and E)
G) All of the above

Question 10

Angiosperms owe their widespread distribution to their production of pollen,seeds and flowers.What is the greatest advantage to the production of flowers?

Accepted Answer

A)  It allows fertilization in the absence of water.
B)  It is necessary for sexual reproduction.
C)  It promotes pollination.
D)  It allows fertilization in moist areas.
E)  It protects and nourishes the embryo.F) B) and C)
G) B) and E)

Question 11

Coconuts are fruits containing seeds that are usually wind-dispersed.

Accepted Answer

A) True 
 B)False

Question 12

If you wanted a grass plant to bend to the right,where would you want to apply auxin?

Accepted Answer

A)  on the left side of the grass,a few centimeters down from the tip
B)  on the right side of the grass,a few centimeters down from the tip
C)  on the left side of the tip of the grass
D)  on the right side of the tip of the grassE) B) and D)
F) A) and D)

Question 13

Whorl three of a flower is made up of

Accepted Answer

A)  the female reproductive parts of a flower.
B)  the male reproductive parts of a flower.
C)  the sepals.
D)  the petals.
E)  the stem region.F) None of the above
G) A) and B)

Question 14

A farmer might use gibberellins to stimulate stem elongation in plants,thereby increasing the crop yield in some plants.

Accepted Answer

A) True 
 B)False

Question 15

The pollen-producing body of a flower is the

Accepted Answer

A)  stigmA.
B)  style.
C)  ovary.
D)  sepal.
E)  anther.F) A) and D)
G) All of the above

Question 16

In the section "Investigating Life: A Red Hot Chili Pepper Paradox",what conclusion did the researchers draw from their results?

Accepted Answer

A)  The capsaicin deterred the mice and rats from eating and destroying the seeds.
B)  The capsaicin deterred the thrashers from eating and destroying the seeds.
C)  The capsaicin deterred the mice and rats from eating and dispersing the seeds.
D)  The capsaicin deterred the thrashers from eating and dispersing the seeds.E) B) and D)
F) A) and B)

Question 17

The hormone linked to the saying "one bad apple spoils the bushel" is

Accepted Answer

A)  auxin.
B)  cytokinin.
C)  abscisic acid.
D)  gibberellin.
E)  ethylenE.F) A) and E)
G) D) and E)

Question 18

Where are floral microspores produced?

Accepted Answer

A)  anther
B)  corolla
C)  sepal
D)  ovule
E)  stigmaF) B) and C)
G) A) and C)

Question 19

A directional response to touch exhibited by plants is called

Accepted Answer

A)  thigmotropism.
B)  gravitropism.
C)  phototropism.
D)  organotropism.
E)  chemotropism.F) A) and E)
G) A) and C)

Question 20

An example of a multiple fruit is a

Accepted Answer

A)  blackberry.
B)  peach.
C)  pepper.
D)  pineapple.
E)  strawberry.F) A) and B)
G) A) and C)

Exam 22: Reproduction and Development of Flowering Plants

Clones are

Correct Answer
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Correct Answer
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The pollen-producing body of a flower is the

Correct Answer
verified

The plant hormone that triggers the withering of petals and stamens and promotes fruit ripening is

Correct Answer
verified

An example of a multiple fruit is a

Correct Answer
verified

Where are floral microspores produced?

Correct Answer
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One way to get fruit to ripen faster is to place it in a paper bag with other ripe fruit.Which of the following best explains this observation?

Correct Answer
verified

Angiosperms owe their widespread distribution to their production of pollen,seeds,and flowers.What is the greatest advantage to the production of pollen?

Correct Answer
verified

A farmer might use gibberellins to stimulate stem elongation in plants,thereby increasing the crop yield in some plants.

Correct Answer
verified

In the section "Investigating Life: A Red Hot Chili Pepper Paradox",what conclusion did the researchers draw from their results?

Correct Answer
verified

Angiosperms owe their widespread distribution to their production of pollen,seeds and flowers.What is the greatest advantage to the production of flowers?

Correct Answer
verified

The type of fruit derived from one flower with one carpel is a(n) ______________ fruit.

Correct Answer
verified

A directional response to touch exhibited by plants is called

Correct Answer
verified

The hormone linked to the saying "one bad apple spoils the bushel" is

Correct Answer
verified

The portion of a flower that receives the pollen is the

Correct Answer
verified

Whorl three of a flower is made up of

Correct Answer
verified

Gymnosperms are flowering plants.

Correct Answer
verified

The whorl of a flower that consists of the male reproductive parts is the

Correct Answer
verified

Coconuts are fruits containing seeds that are usually wind-dispersed.

Correct Answer
verified

If you wanted a grass plant to bend to the right,where would you want to apply auxin?

Correct Answer
verified

Exam 22: Reproduction and Development of Flowering Plants

Clones are

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The pollen-producing body of a flower is the

Correct AnswerverifiedShow Answer

The plant hormone that triggers the withering of petals and stamens and promotes fruit ripening is

Correct AnswerverifiedShow Answer

An example of a multiple fruit is a

Correct AnswerverifiedShow Answer

Where are floral microspores produced?

Correct AnswerverifiedShow Answer

One way to get fruit to ripen faster is to place it in a paper bag with other ripe fruit.Which of the following best explains this observation?

Correct AnswerverifiedShow Answer

Angiosperms owe their widespread distribution to their production of pollen,seeds,and flowers.What is the greatest advantage to the production of pollen?

Correct AnswerverifiedShow Answer

A farmer might use gibberellins to stimulate stem elongation in plants,thereby increasing the crop yield in some plants.

Correct AnswerverifiedShow Answer

In the section "Investigating Life: A Red Hot Chili Pepper Paradox",what conclusion did the researchers draw from their results?

Correct AnswerverifiedShow Answer

Angiosperms owe their widespread distribution to their production of pollen,seeds and flowers.What is the greatest advantage to the production of flowers?

Correct AnswerverifiedShow Answer

The type of fruit derived from one flower with one carpel is a(n) ______________ fruit.

Correct AnswerverifiedShow Answer

A directional response to touch exhibited by plants is called

Correct AnswerverifiedShow Answer

The hormone linked to the saying "one bad apple spoils the bushel" is

Correct AnswerverifiedShow Answer

The portion of a flower that receives the pollen is the

Correct AnswerverifiedShow Answer

Whorl three of a flower is made up of

Correct AnswerverifiedShow Answer

Gymnosperms are flowering plants.

Correct AnswerverifiedShow Answer

The whorl of a flower that consists of the male reproductive parts is the

Correct AnswerverifiedShow Answer

Coconuts are fruits containing seeds that are usually wind-dispersed.

Correct AnswerverifiedShow Answer

If you wanted a grass plant to bend to the right,where would you want to apply auxin?

Correct AnswerverifiedShow Answer

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