Question 1

You plant a seed in a pot containing soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.This indicated that _________ was occurring.

Accepted Answer

A)  photosynthesis
B)  cellular respiration
C)  sucrose production
D)  alcohol fermentation
E)  fertilizationF) A) and E)
G) None of the above

Question 2

Whorl one,the outermost whorl 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) B) and C)

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

In the late 1870s,Charles Darwin and his son Francis discovered that if the tip of the grass was covered phototropism did not occur,even though the rest of the grass was exposed to light.However,if the rest of the plant was covered and only the tip exposed to light the grass bent a few centimeters below the tip.How could light striking the tip of the grass cause bending a few centimeters from the tip?

Accepted Answer

A)  The light must be striking the cells that bend as well.
B)  A hormone must be carrying the response from the tip to the site of bending.
C)  The bending must start at the tip and move down the entire blade of grass.
D)  Bending is independent of the source of light.
E)  The light is being transmitted from the tip to cells at the site of bending.F) A) and B)
G) B) and C)

Question 5

You plant a seed in a pot containing soil,and then add water and place the pot under a light.In the first week,before the seedling even emerged from the soil,carbon dioxide levels increased in the closed chamber.The developing plant was using which of the following as a source of energy during this first week?

Accepted Answer

A)  light
B)  starch from the seed
C)  water from the soil
D)  sugars from the soil
E)  nutrients from the soilF) B) and E)
G) A) and D)

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) D) and E)
G) B) and C)

Question 7

If you were working for a florist and were asked to not damage the showiest parts of the flowers while working on them,you would know that you were asked to be careful with

Accepted Answer

A)  the petals.
B)  the female reproductive parts of a flower.
C)  the male reproductive parts of a flower.
D)  the sepals.
E)  the stem region.F) B) and D)
G) C) and E)

Question 8

Where is the energy stored in a fertilized angiosperm?

Accepted Answer

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

Question 9

How are animals involved in the life cycle of plants?

Accepted Answer

A)  as pollinators only
B)  as pollinators and seed dispersers
C)  as seed dispersers only
D)  as seed germinators only
E)  as seed germinators and dispersersF) A) and E)
G) A) and C)

Question 10

In plants,molecules that perceive the quality and quantity of light are

Accepted Answer

A)  chemoreceptors.
B)  photoreceptors.
C)  mechanoreceptors.
D)  pressure receptors.
E)  gradient receptors.F) D) and E)
G) A) and B)

Question 11

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 D)
G) A) and B)

Question 12

Gametophytes are haploid.

Accepted Answer

A) True 
 B)False

Question 13

If you examined a pea pod carefully,you would see that it was the result of one carpel.That would make it what kind of fruit?

Accepted Answer

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

Question 14

Scientists tested the hypothesis that peppers are hot

Accepted Answer

A)  to deter seed destroyers without affecting dispersers.
B)  to deter all animals from destroying the seeds.
C)  to promote dispersion when animals drop the hot fruit.
D)  for a reason unrelated to seed dispersal or destruction.
E)  to promote pollination of the peppers.F) C) and D)
G) B) and D)

Question 15

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 E)
G) None of the above

Question 16

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 B)
G) All of the above

Question 17

If a gardener cuts the apical meristem of a plant,lateral buds begin to grow,which causes a bushier shape to develop.This is because the apical meristem normally secretes auxins that do which of the following?

Accepted Answer

A)  stimulate the growth of lateral buds
B)  suppress the growth of the apical meristem
C)  stimulate the growth of the apical meristem
D)  suppress the growth of lateral buds
E)  stimulate the growth of rootsF) B) and D)
G) C) and D)

Question 18

Clover will flower if exposed to 8 hours of dark and 16 hours of light.It will not flower if exposed to 16 hours of dark and 8 hours of light.However,if the 16 hours of dark is interrupted with a brief period of light the clover will flower.Which triggers clover to flower?

Accepted Answer

A)  short dark periods
B)  long dark periods
C)  short light periods
D)  long light periodsE) B) and D)
F) None of the above

Question 19

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

Question 20

A seed's response to gravity is called

Accepted Answer

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

Exam 22: Reproduction and Development of Flowering Plants

You plant a seed in a pot containing soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.This indicated that _________ was occurring.

Correct Answer
verified

A directional response to touch exhibited by plants is called

Correct Answer
verified

Gametophytes are haploid.

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

The portion of a flower that receives the pollen is the

Correct Answer
verified

A seed's response to gravity is called

Correct Answer
verified

How are animals involved in the life cycle of plants?

Correct Answer
verified

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

Correct Answer
verified

Clover will flower if exposed to 8 hours of dark and 16 hours of light.It will not flower if exposed to 16 hours of dark and 8 hours of light.However,if the 16 hours of dark is interrupted with a brief period of light the clover will flower.Which triggers clover to flower?

Correct Answer
verified

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

Correct Answer
verified

Scientists tested the hypothesis that peppers are hot

Correct Answer
verified

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

Whorl one,the outermost whorl of a flower,is made up of

Correct Answer
verified

Where is the energy stored in a fertilized angiosperm?

Correct Answer
verified

If you were working for a florist and were asked to not damage the showiest parts of the flowers while working on them,you would know that you were asked to be careful with

Correct Answer
verified

If you examined a pea pod carefully,you would see that it was the result of one carpel.That would make it what kind of fruit?

Correct Answer
verified

In plants,molecules that perceive the quality and quantity of light are

Correct Answer
verified

If a gardener cuts the apical meristem of a plant,lateral buds begin to grow,which causes a bushier shape to develop.This is because the apical meristem normally secretes auxins that do which of the following?

Correct Answer
verified

Exam 22: Reproduction and Development of Flowering Plants

You plant a seed in a pot containing soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.This indicated that _________ was occurring.

Correct AnswerverifiedShow Answer

A directional response to touch exhibited by plants is called

Correct AnswerverifiedShow Answer

Gametophytes are haploid.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The portion of a flower that receives the pollen is the

Correct AnswerverifiedShow Answer

A seed's response to gravity is called

Correct AnswerverifiedShow Answer

How are animals involved in the life cycle of plants?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Clover will flower if exposed to 8 hours of dark and 16 hours of light.It will not flower if exposed to 16 hours of dark and 8 hours of light.However,if the 16 hours of dark is interrupted with a brief period of light the clover will flower.Which triggers clover to flower?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Scientists tested the hypothesis that peppers are hot

Correct AnswerverifiedShow Answer

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

Whorl one,the outermost whorl of a flower,is made up of

Correct AnswerverifiedShow Answer

Where is the energy stored in a fertilized angiosperm?

Correct AnswerverifiedShow Answer

If you were working for a florist and were asked to not damage the showiest parts of the flowers while working on them,you would know that you were asked to be careful with

Correct AnswerverifiedShow Answer

If you examined a pea pod carefully,you would see that it was the result of one carpel.That would make it what kind of fruit?

Correct AnswerverifiedShow Answer

In plants,molecules that perceive the quality and quantity of light are

Correct AnswerverifiedShow Answer

If a gardener cuts the apical meristem of a plant,lateral buds begin to grow,which causes a bushier shape to develop.This is because the apical meristem normally secretes auxins that do which of the following?

Correct AnswerverifiedShow Answer

Correct Answer
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Pollination is the transfer of pollen from a(n) _ to a receptive __.

Correct Answer
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Correct Answer
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