Question 1

When you pick a bouquet of anther-less flowers,you have picked

Accepted Answer

A)  male gametophytes retained within the body of sporophytes.
B)  female gametophytes retained within the body of sporophytes.
C)  sporophytes retained within the body of male gametophytes.
D)  sporophytes retained within the body of female gametophytes.
E)  male gametophytes retained within the body of female gametophytes.F) C) and E)
G) B) and C)

Question 2

How are potato plants propagated?

Accepted Answer

A)  by "eyes" (a bud) 
B)  by runners
C)  by pollen
D)  by flowers
E)  by protoplastsF) C) and E)
G) A) and B)

Question 3

A hormone called cytokinin was discovered in coconut milk and found to stimulate cell division.With this function,where else in a plant would you expect to find cytokinin?

Accepted Answer

A)  bark
B)  pith
C)  root tips
D)  spongy mesophyll
E)  xylemF) A) and E)
G) C) and D)

Question 4

Which of the following is NOT true concerning plant tissue culture?

Accepted Answer

A)  New plants can be cultivated from any existing plant cell.
B)  Most plant cells are totipotent,meaning an entire plant can be produced from one cell.
C)  Hormones can be used to cause the production of shoots from tissue.
D)  Plants can be produced from shoot tips,leaves,and anthers.
E)  Foreign genes such as those from other plants or even animals can be inserted into plant cells.F) A) and B)
G) A) and C)

Question 5

The function of endosperm is to

Accepted Answer

A)  form the seedling.
B)  develop the fruit.
C)  provide water to the embryo.
D)  provide nutrients to the embryo.
E)  provide a protective coating for the embryo.F) B) and E)
G) C) and D)

Question 6

You find a plant that appears to contain stamens and carpels but no petals or sepals.What could you conclude about this "flower"?

Accepted Answer

A)  The plant is pollinated by the wind.
B)  The plant is sterile.
C)  The plant is dioecious.
D)  The flower is considered complete.
E)  The plant is really a gametophyte.F) C) and D)
G) All of the above

Question 7

Which of the following is NOT a fruit?

Accepted Answer

A)  corn kernel
B)  peas and beans
C)  tomato
D)  cucumber
E)  onionF) A) and B)
G) A) and D)

Question 8

Fertilization in flowering plants occurs

Accepted Answer

A)  on the stigma.
B)  in the style.
C)  in the ovule.
D)  in the anther.
E)  in the endosperm.F) A) and D)
G) A) and E)

Question 9

When you eat an apple,the core left over is the ovary.

Accepted Answer

A) True 
 B)False

Question 10

The megaspore divides mitotically,resulting in a female gametophyte or embryo sac that differentiates into an egg and a central cell with two nuclei called the

Accepted Answer

A)  generative cell.
B)  pollen grain.
C)  microspores.
D)  endosperm.
E)  polar nuclei.F) None of the above
G) C) and D)

Question 11

Which of the following is not part of a flower?

Accepted Answer

A)  stem
B)  sepal
C)  petal
D)  stamen
E)  carpelF) A) and B)
G) A) and C)

Question 12

The two-stage life cycle in plants evolved as an adaptation to life on land.

Accepted Answer

A) True 
 B)False

Question 13

Explain the various uses of gibberellins in the agricultural industry.

Accepted Answer

Gibberellins are growth-producing hormon...

Question 14

A pea is actually a seed.

Accepted Answer

A) True 
 B)False

Question 15

Which plant hormone is used by industry to cause fruits to drop from a tree?

Accepted Answer

A)  indoleacetic acid
B)  gibberellin
C)  auxin
D)  ethylene
E)  abscisic acidF) A) and D)
G) C) and D)

Question 16

The male gametophyte in flowering plants will be found within the

Accepted Answer

A)  carpel.
B)  ovary.
C)  sepal.
D)  filament.
E)  pollen grain.F) A) and D)
G) C) and D)

Question 17

Which structure of the developing eudicot embryo within a seed is NOT correctly identified?

Accepted Answer

A)  The radicle is the embryonic root.
B)  A cotyledon is a seed leaf.
C)  The endosperm is the only nutrient source for the embryo.
D)  The epicotyl is the shoot above the attachment of the cotyledons.
E)  The hypocotyl is the embryo plant below the attachment of the cotyledons.F) A) and E)
G) B) and D)

Question 18

Strawberry plants do not produce seeds that are used for next year's crop.How are strawberry plants propagated?

Accepted Answer

A)  from flowers
B)  from pollen
C)  from the nodes of stolons
D)  from tissue culture
E)  from protoplastsF) A) and E)
G) B) and E)

Question 19

Phototropism and gravitropism occur from the action(s) of

Accepted Answer

A)  auxin in both cases.
B)  gibberellin and auxin,respectively.
C)  cytokinin and auxin,respectively.
D)  abscisic acid and ethylene,respectively.
E)  ethylene and auxin,respectively.F) A) and D)
G) A) and B)

Question 20

Plant hormones bring about a physiological response in the plant after binding to the nucleus of the plant cells.

Accepted Answer

A) True 
 B)False

Exam 10: Plant Reproduction and Responses

When you eat an apple,the core left over is the ovary.

Correct AnswerverifiedShow Answer

Which plant hormone is used by industry to cause fruits to drop from a tree?

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Fertilization in flowering plants occurs

Correct AnswerverifiedShow Answer

The two-stage life cycle in plants evolved as an adaptation to life on land.

Correct AnswerverifiedShow Answer

When you pick a bouquet of anther-less flowers,you have picked

Correct AnswerverifiedShow Answer

Plant hormones bring about a physiological response in the plant after binding to the nucleus of the plant cells.

Correct AnswerverifiedShow Answer

Which of the following is NOT true concerning plant tissue culture?

Correct AnswerverifiedShow Answer

Explain the various uses of gibberellins in the agricultural industry.

Correct AnswerverifiedGibberellins are growth-producing hormon...View AnswerShow Answer

The megaspore divides mitotically,resulting in a female gametophyte or embryo sac that differentiates into an egg and a central cell with two nuclei called the

Correct AnswerverifiedShow Answer

Phototropism and gravitropism occur from the action(s) of

Correct AnswerverifiedShow Answer

You find a plant that appears to contain stamens and carpels but no petals or sepals.What could you conclude about this "flower"?

Correct AnswerverifiedShow Answer

Strawberry plants do not produce seeds that are used for next year's crop.How are strawberry plants propagated?

Correct AnswerverifiedShow Answer

A pea is actually a seed.

Correct AnswerverifiedShow Answer

Which of the following is not part of a flower?

Correct AnswerverifiedShow Answer

The function of endosperm is to

Correct AnswerverifiedShow Answer

The male gametophyte in flowering plants will be found within the

Correct AnswerverifiedShow Answer

How are potato plants propagated?

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Which structure of the developing eudicot embryo within a seed is NOT correctly identified?

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A hormone called cytokinin was discovered in coconut milk and found to stimulate cell division.With this function,where else in a plant would you expect to find cytokinin?

Correct AnswerverifiedShow Answer

Which of the following is NOT a fruit?

Correct AnswerverifiedShow Answer

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Gibberellins are growth-producing hormon...
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