Question 1

Which of the following is a vegetative structure?

Accepted Answer

A)  stem 
B)  sepal 
C)  petal 
D)  stamen 
E)  carpel 
A)  stem 
B)  sepal 
C)  petal 
D)  stamen 
E)  carpel

Question 2

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. 
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.

Question 3

The ovary wall develops into the

Accepted Answer

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

Question 4

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)  phytochrome 
A)  cytokinins 
B)  ethylene 
C)  auxin 
D)  agent orange 
E)  phytochrome

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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. 
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.

Question 7

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. 
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.

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 carpels 
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 carpels

Question 9

The banana can only be produced through tissue culture.

Accepted Answer

A) True 
 B)False

Question 10

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)  meiosis 
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)  meiosis

Question 11

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)  ethylene 
A)  indoleacetic acid 
B)  gibberellins 
C)  zeatin 
D)  abscisic acid 
E)  ethylene

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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 14

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. 
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.

Question 15

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. 
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.

Question 16

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

Accepted Answer

A) True 
 B)False

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

Question 18

A pea is actually a seed.

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A)  epicotyl 
B)  hypocotyl 
C)  cotyledon 
D)  radicle 
E)  coleoptile 
A)  epicotyl 
B)  hypocotyl 
C)  cotyledon 
D)  radicle 
E)  coleoptile

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 10: Plant Reproduction and Responses

Which of the following is a vegetative structure?

Phototropism and gravitropism occur from the action(s) of

The ovary wall develops into the

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

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

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

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

Which of the following would be considered a dry fruit?

The banana can only be produced through tissue culture.

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

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?

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

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

Double fertilization in an angiosperm produces

Which of the following is an advantage of tissue culture?

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

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

A pea is actually a seed.

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

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

The Study of Life

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Chromosomal Basis of Inheritance

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Evolution of Life

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