Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

The ovary wall develops into the

Accepted Answer

A)   leaves.
B)   roots.
C)   fruit.
D)   cotyledons.
E)   seed coat.F) A) and B)
G) B) and D)

Question 3

Double fertilization in an angiosperm produces

Accepted Answer

A)   a diploid zygote and a haploid polar nucleus.
B)   a diploid zygote and a diploid endosperm.
C)   a diploid embryo and a triploid zygote.
D)   a triploid embryo and a diploid endosperm.
E)   a diploid zygote and a triploid endosperm.F) All of the above
G) A) and D)

Question 4

You find a plant with flowers that contain stamens and carpels but no petals. 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) A) and B)
G) All of the above

Question 5

The sugarcane stem is harvested to produce sugar. Which of the following plant hormones could be used by industry to increase the size of sugarcane production?

Accepted Answer

A)   indoleacetic acid
B)   gibberellins
C)   zeatin
D)   abscisic acid
E)   ethyleneF) All of the above
G) B) and C)

Question 6

Alternation of generations means that a diploid sporophyte produces haploid spores by meiosis and a haploid gametophyte produces gametes by mitosis.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is a vegetative structure?

Accepted Answer

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

Question 8

Which of the following statement is true about the life cycle of flowering plants?

Accepted Answer

A)   The sporophyte is diploid.
B)   The sporophyte produces two different types of spores.
C)   The male gametophyte is the pollen grain.
D)   The female gametophyte is retained within the body of the sporophyte parent generation.
E)   All of the answer choices are true.F) A) and B)
G) C) and E)

Question 9

Which of the following is part of a developing monocot embryo?

Accepted Answer

A)   epicotyl
B)   hypocotyl
C)   cotyledon
D)   radicle
E)   coleoptileF) A) and D)
G) C) and E)

Question 10

A pea is actually a seed.

Accepted Answer

A) True 
 B)False

Question 11

One of the major advantages of most asexual propagation techniques is that they eliminate pathogens.

Accepted Answer

A) True 
 B)False

Question 12

In asexual reproduction in plants, there is only one parent, instead of two.

Accepted Answer

A) True 
 B)False

Question 13

The banana can only be produced through tissue culture.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is an advantage of tissue culture?

Accepted Answer

A)   Plant tissue can be used to produce medicines such as digitoxin and other products for the treatment of human disease.
B)   Tissue culture allows the production of healthier plant varieties.
C)   Many botanical gardens and universities use tissue culture for plant conservation.
D)   Tissue culture helps maintain plants that are disease-free.
E)   All of the answer choices are advantages of tissue culture.F) B) and D)
G) B) and E)

Question 15

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 E)
G) D) and E)

Question 16

Which of the following are associated with asexual reproduction in plants? Check all that apply.

Accepted Answer

A)   daughter plants being genetically identical to the parent plant
B)   the production of gametes
C)   a portion of one plant giving rise to a completely new plant
D)   vegetative propagation
E)   meiosisF) D) and E)
G) C) and E)

Question 17

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) All of the above
G) A) and B)

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Which substance will help in seed germination and indicates to the plant that the stem must elongate to reach the light?

Accepted Answer

A)   cytokinins
B)   ethylene
C)   auxin
D)   agent orange
E)   phytochromeF) None of the above
G) A) and C)

Question 20

Which of the following would be considered a dry fruit?

Accepted Answer

A)   one that doesn't split open
B)   one derived from a simple ovary
C)   one derived from the receptacle and not the ovary
D)   one derived from several individual ovaries
E)   one derived from many different carpelsF) A) and B)
G) B) and D)

Exam 10: Plant Reproduction and Responses

In asexual reproduction in plants, there is only one parent, instead of two.

Correct AnswerverifiedShow Answer

The sugarcane stem is harvested to produce sugar. Which of the following plant hormones could be used by industry to increase the size of sugarcane production?

Correct AnswerverifiedShow Answer

Which of the following is a vegetative structure?

Correct AnswerverifiedShow Answer

Which of the following are associated with asexual reproduction in plants? Check all that apply.

Correct AnswerverifiedShow Answer

A pea is actually a seed.

Correct AnswerverifiedShow Answer

Which of the following is an advantage of tissue culture?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Phototropism and gravitropism occur from the action(s) of

Correct AnswerverifiedShow Answer

You find a plant with flowers that contain stamens and carpels but no petals. What could you conclude about this "flower"?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following statement is true about the life cycle of flowering plants?

Correct AnswerverifiedShow Answer

Alternation of generations means that a diploid sporophyte produces haploid spores by meiosis and a haploid gametophyte produces gametes by mitosis.

Correct AnswerverifiedShow Answer

Which of the following is part of a developing monocot embryo?

Correct AnswerverifiedShow Answer

Double fertilization in an angiosperm produces

Correct AnswerverifiedShow Answer

The banana can only be produced through tissue culture.

Correct AnswerverifiedShow Answer

One of the major advantages of most asexual propagation techniques is that they eliminate pathogens.

Correct AnswerverifiedShow Answer

The ovary wall develops into the

Correct AnswerverifiedShow Answer

Which substance will help in seed germination and indicates to the plant that the stem must elongate to reach the light?

Correct AnswerverifiedShow Answer

Which of the following would be considered a dry fruit?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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