Question 1

Which plant hormone will act as an inhibitor of growth and maintains dormancy?

Accepted Answer

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

Question 2

What flower mechanism would not help prevent pollination by a foreign plant species?

Accepted Answer

A)  A pollen tube only grows inside the style of its own species.
B)  The stigma is sticky mainly to its own species of pollen.
C)  The timing of flowering keeps pollinators moving among a limited number of species.
D)  Flowers attract a small number of specialized pollinators,and therefore pollen is not spread equally to all available species of flowers.
E)  Flowers of different plant species bloom at the same time with flowers of similar shape,size,and color.F) A) and C)
G) B) and C)

Question 3

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 4

Which of the following is not part of the female portion of the flower?

Accepted Answer

A)  filament
B)  carpel
C)  pistil
D)  stigma
E)  styleF) A) and D)
G) A) and B)

Question 5

How many nuclei are present inside a pollen grain?

Accepted Answer

A)  none
B)  one
C)  two
D)  three
E)  fourF) All of the above
G) B) and D)

Question 6

Which of the following is not a part of a developing eudicot embryo?

Accepted Answer

A)  epicotyl
B)  hypocotyl
C)  cotyledon
D)  radicle
E)  coleoptileF) None of the above
G) C) and D)

Question 7

Commercial micropropagation methods result in the cloning of plants.

Accepted Answer

A) True 
 B)False

Question 8

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) C) and D)
G) A) and D)

Question 9

Cereal grains are one of the easiest plants to genetically modify.

Accepted Answer

A) True 
 B)False

Question 10

A flower that is missing the stamens would be considered female.

Accepted Answer

A) True 
 B)False

Question 11

A corn kernel is classified as a seed.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following parts of a plant embryo grows downward?

Accepted Answer

A)  plumule
B)  epicotyl
C)  seed coat
D)  radicle
E)  shootF) B) and C)
G) A) and E)

Question 13

Which of the following is not an advantage of genetically engineered plants?

Accepted Answer

A)  decreased yield
B)  herbicide resistance
C)  salt tolerance
D)  drought tolerance
E)  disease protectionF) A) and E)
G) B) and D)

Question 14

Describe the function of the following plant structures: petals,stamens,and carpel.

Accepted Answer

The petals are the showy part of the pla...

Question 15

Which modern technology is not used in the creation of transgenic plants?

Accepted Answer

A)  protoplast regeneration
B)  high voltage electric pulses
C)  a gene gun
D)  plant hybridization
E)  a bacterial plasmidF) B) and C)
G) None of the above

Question 16

Plant hormones are small organic molecules produced by the plants themselves.

Accepted Answer

A) True 
 B)False  True

Question 17

Which of the following is arranged in proper order?

Accepted Answer

A)  fertilization  →\rightarrow→  pollination  →\rightarrow→  seed formation  →\rightarrow→  germination
B)  seed formation  →\rightarrow→ fertilization  →\rightarrow→  germination  →\rightarrow→  pollination
C)  pollination  →\rightarrow→  fertilization  →\rightarrow→  seed formation  →\rightarrow→  germination
D)  germination  →\rightarrow→  seed formation  →\rightarrow→  fertilization  →\rightarrow→  pollination
E)  pollination  →\rightarrow→ fertilization  →\rightarrow→  germination  →\rightarrow→  seed formation F) A) and D)
G) A) and C) C

Question 18

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) A) and E)
G) A) and B)

Question 19

Which of the following is not a characteristic of a somatic embryo?

Accepted Answer

A)  These are asexually produced.
B)  These are produced in large tanks called bioreactors.
C)  These are genetically quite diverse.
D)  These are encapsulated in a protective gel for shipping.
E)  These will generate an entire mature plant.F) C) and E)
G) B) and E)

Question 20

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

Exam 10: Plant Reproduction and Responses

Which plant hormone will act as an inhibitor of growth and maintains dormancy?

Correct AnswerverifiedShow Answer

What flower mechanism would not help prevent pollination by a foreign plant species?

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 not part of the female portion of the flower?

Correct AnswerverifiedShow Answer

How many nuclei are present inside a pollen grain?

Correct AnswerverifiedShow Answer

Which of the following is not a part of a developing eudicot embryo?

Correct AnswerverifiedShow Answer

Commercial micropropagation methods result in the cloning of plants.

Correct AnswerverifiedShow Answer

Which of the following would be considered a dry fruit?

Correct AnswerverifiedShow Answer

Cereal grains are one of the easiest plants to genetically modify.

Correct AnswerverifiedShow Answer

A flower that is missing the stamens would be considered female.

Correct AnswerverifiedShow Answer

A corn kernel is classified as a seed.

Correct AnswerverifiedShow Answer

Which of the following parts of a plant embryo grows downward?

Correct AnswerverifiedShow Answer

Which of the following is not an advantage of genetically engineered plants?

Correct AnswerverifiedShow Answer

Describe the function of the following plant structures: petals,stamens,and carpel.

Correct AnswerverifiedThe petals are the showy part of the pla...View AnswerShow Answer

Which modern technology is not used in the creation of transgenic plants?

Correct AnswerverifiedShow Answer

Plant hormones are small organic molecules produced by the plants themselves.

Correct AnswerverifiedTrue

Which of the following is arranged in proper order?

Correct AnswerverifiedC

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 is not a characteristic of a somatic embryo?

Correct AnswerverifiedShow Answer

Which of the following plant hormones could be used by industry to increase the size of sugarcane production?

Correct AnswerverifiedB

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The petals are the showy part of the pla...
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C

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B