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) None of the above
G) B) and D)

Question 2

Gametophytes are haploid.

Accepted Answer

A) True 
 B)False

Question 3

A dry,spiny fruit is probably dispersed by attaching to an animal's fur.

Accepted Answer

A) True 
 B)False

Question 4

The portion of a flower that receives the pollen is the

Accepted Answer

A)   style.
B)   anther.
C)   ovary.
D)   stigma.
E)   sepal.F) A) and D)
G) C) and E)

Question 5

The egg-bearing structure of a flower is the

Accepted Answer

A)   stigma.
B)   ovule.
C)   style.
D)   anther.
E)   sepal.F) A) and B)
G) A) and C)

Question 6

Pollination is the transfer of pollen from a(n) ________ to a receptive ________.

Accepted Answer

A)   ovary; stigma
B)   stigma; ovary
C)   stigma; anther
D)   anther; stigma
E)   No answer is correct.F) A) and B)
G) A) and E)

Question 7

The main pollinators of flowers that have markings visible only under ultraviolet light are

Accepted Answer

A)   beetles.
B)   birds.
C)   bats and moths.
D)   bees.
E)   flies.F) A) and C)
G) A) and B)

Question 8

The resumption of growth and development after a period of seed dormancy is

Accepted Answer

A)   germination.
B)   fertilization.
C)   pollination.
D)   stagnation.
E)   transpiration.F) A) and E)
G) A) and D)

Question 9

The reason why one bad apple can lead to a bushel of bad apples is that the bad apple produces lots of

Accepted Answer

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

Question 10

The main pollinators of flowers that are easy to locate at night are

Accepted Answer

A)   beetles.
B)   birds.
C)   bats and moths.
D)   bees.
E)   flies.F) A) and C)
G) None of the above C

Question 11

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

Accepted Answer

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

Question 12

You are given a plant tissue sample made from seeds.When tested,the sample proves to have three copies of each chromosome per cell.You have been given

Accepted Answer

A)   endosperm.
B)   endoderm.
C)   mesosperm.
D)   mesoderm.
E)   microspore.F) B) and D)
G) None of the above

Question 13

Cytokinins are plant hormones that stimulate the ripening of fruit.

Accepted Answer

A) True 
 B)False

Question 14

If asked to extract DNA from the megaspores of an apple flower,what part would you select?

Accepted Answer

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

Question 15

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) A) and B)
G) A) and C)

Question 16

In all major groups of multicellular organisms,________ produces the cells that begin the haploid generation,and ________ unites the gametes to begin the diploid generation.

Accepted Answer

A)   mitosis; pollination
B)   meiosis; fertilization
C)   pollination; fertilization
D)   fertilization; meiosis
E)   fertilization; mitosisF) A) and C)
G) C) and D)

Question 17

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

Accepted Answer

A) True 
 B)False  False

Question 18

The flower whorl that produces female gametophytes contains at least one

Accepted Answer

A)   carpel.
B)   calyx.
C)   stamen.
D)   anther.
E)   corolla.F) A) and B)
G) All of the above

Question 19

Where is the energy stored in a fertilized angiosperm?

Accepted Answer

A)   endosperm
B)   stigma
C)   zygote
D)   pollen
E)   eggF) C) and E)
G) B) and E)

Question 20

If you were given a bumpy fruit that clearly had one set of sepals around it and the bumps were the result of individual carpels having fused back to themselves,what kind of fruit would you have?

Accepted Answer

A)   simple
B)   aggregate
C)   double
D)   axillary
E)   multipleF) A) and B)
G) B) and C) B

Exam 22: Reproduction and Development of Flowering Plants

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

Gametophytes are haploid.

Correct AnswerverifiedShow Answer

A dry,spiny fruit is probably dispersed by attaching to an animal's fur.

Correct AnswerverifiedShow Answer

The portion of a flower that receives the pollen is the

Correct AnswerverifiedShow Answer

The egg-bearing structure of a flower is the

Correct AnswerverifiedShow Answer

Pollination is the transfer of pollen from a(n) ________ to a receptive ________.

Correct AnswerverifiedShow Answer

The main pollinators of flowers that have markings visible only under ultraviolet light are

Correct AnswerverifiedShow Answer

The resumption of growth and development after a period of seed dormancy is

Correct AnswerverifiedShow Answer

The reason why one bad apple can lead to a bushel of bad apples is that the bad apple produces lots of

Correct AnswerverifiedShow Answer

The main pollinators of flowers that are easy to locate at night are

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

You are given a plant tissue sample made from seeds.When tested,the sample proves to have three copies of each chromosome per cell.You have been given

Correct AnswerverifiedShow Answer

Cytokinins are plant hormones that stimulate the ripening of fruit.

Correct AnswerverifiedShow Answer

If asked to extract DNA from the megaspores of an apple flower,what part would you select?

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

In all major groups of multicellular organisms,________ produces the cells that begin the haploid generation,and ________ unites the gametes to begin the diploid generation.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedFalse

The flower whorl that produces female gametophytes contains at least one

Correct AnswerverifiedShow Answer

Where is the energy stored in a fertilized angiosperm?

Correct AnswerverifiedShow Answer

If you were given a bumpy fruit that clearly had one set of sepals around it and the bumps were the result of individual carpels having fused back to themselves,what kind of fruit would you have?

Correct AnswerverifiedB

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Pollination is the transfer of pollen from a(n) to a receptive .

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C

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In all major groups of multicellular organisms, produces the cells that begin the haploid generation,and unites the gametes to begin the diploid generation.

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False

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B