Question 1

Which of the following are true, simple fruits?

Accepted Answer

A)  figs 
B)  apples 
C)  pineapples 
D)  strawberries 
E)  cherries 
A)  figs 
B)  apples 
C)  pineapples 
D)  strawberries 
E)  cherries E

Question 2

How are apple trees that have tasty fruit reproduced?

Accepted Answer

A)  root sucker propagation 
B)  cloning 
C)  vegetative reproduction 
D)  seeds 
E)  grafting 
A)  root sucker propagation 
B)  cloning 
C)  vegetative reproduction 
D)  seeds 
E)  grafting E

Question 3

Why is colony collapse disorder important?

Accepted Answer

A)  Honeybee honey is an essential economic export of many countries. 
B)  Honeybee venom is an essential component of antihistamines to flowering plants. 
C)  Honeybees prevent many diseases that spread to humans by antibodies in the honey. 
D)  Honeybees kill weeds that threaten many species of flowering plants. 
E)  Honeybees are particularly efficient pollinators of many flowering plants. 
A)  Honeybee honey is an essential economic export of many countries. 
B)  Honeybee venom is an essential component of antihistamines to flowering plants. 
C)  Honeybees prevent many diseases that spread to humans by antibodies in the honey. 
D)  Honeybees kill weeds that threaten many species of flowering plants. 
E)  Honeybees are particularly efficient pollinators of many flowering plants. E

Question 4

Light-energized phototropins cause _____ to be directed away from the illuminated side of a stem.

Accepted Answer

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

Question 5

The male gametophyte of a flower develops within a(n) ____.

Accepted Answer

A)  stigma 
B)  anther 
C)  calyx 
D)  corolla 
E)  ovule 
A)  stigma 
B)  anther 
C)  calyx 
D)  corolla 
E)  ovule

Question 6

Which of the following is the main trigger for breaking dormancy?

Accepted Answer

A)  temperature 
B)  wind 
C)  climate 
D)  water 
E)  pH 
A)  temperature 
B)  wind 
C)  climate 
D)  water 
E)  pH

Question 7

What is the difference between a cutting and a graft?

Accepted Answer

A)  A cutting is diploid, whereas a graft is haploid. 
B)  A cutting propagates on its own, while a graft is fused to another plant. 
C)  A cutting is haploid, whereas a graft is diploid. 
D)  A cutting is fused to another plant, while a graft propagates on its own. 
E)  A cutting matures faster than a graft. 
A)  A cutting is diploid, whereas a graft is haploid. 
B)  A cutting propagates on its own, while a graft is fused to another plant. 
C)  A cutting is haploid, whereas a graft is diploid. 
D)  A cutting is fused to another plant, while a graft propagates on its own. 
E)  A cutting matures faster than a graft.

Question 8

Colchicine induces ______ by _______.

Accepted Answer

A)  polyploidy; disrupting spindle function during meiosis 
B)  sexual reproduction; stimulating gametogenesis 
C)  polyploidy; inhibiting aerobic respiration 
D)  vegetative propagation; by stimulating photosynthesis 
E)  diploidy; by inhibiting fertilization 
A)  polyploidy; disrupting spindle function during meiosis 
B)  sexual reproduction; stimulating gametogenesis 
C)  polyploidy; inhibiting aerobic respiration 
D)  vegetative propagation; by stimulating photosynthesis 
E)  diploidy; by inhibiting fertilization

Question 9

Varroa destructor , a type of parasitic ____, attaches itself to a honeybee and sucks out tissue from an organ called a ____.

Accepted Answer

A)  bacteria; ganglia 
B)  flatworm; pollen basket 
C)  mite; fat body 
D)  virus; honey stomach 
E)  hookworm; air sac 
A)  bacteria; ganglia 
B)  flatworm; pollen basket 
C)  mite; fat body 
D)  virus; honey stomach 
E)  hookworm; air sac

Question 10

Researchers suspect that plant cells perceive temperature via their plasma membrane, because the _______ and _____ permeability of plasma membranes vary with temperature.

Accepted Answer

A)  receptor distribution; calcium ion permeability 
B)  lipid composition; hydrogen ion permeability 
C)  carbohydrate composition; sodium ion permeability 
D)  lipid composition; calcium ion permeability 
E)  protein composition; potassium ion permeability 
A)  receptor distribution; calcium ion permeability 
B)  lipid composition; hydrogen ion permeability 
C)  carbohydrate composition; sodium ion permeability 
D)  lipid composition; calcium ion permeability 
E)  protein composition; potassium ion permeability

Question 11

What plant hormone has a central role in barley seed germination?

Accepted Answer

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

Question 12

The apples from the apple trees Johnny Appleseed sold to homesteaders were made from ____.

Accepted Answer

A)  tissue culture 
B)  cuttings 
C)  seeds 
D)  grafting 
E)  cloning 
A)  tissue culture 
B)  cuttings 
C)  seeds 
D)  grafting 
E)  cloning

Question 13

Which of the following develops into an embryo?

Accepted Answer

A)  megaspore 
B)  ovary 
C)  ovule 
D)  zygote 
E)  anther 
A)  megaspore 
B)  ovary 
C)  ovule 
D)  zygote 
E)  anther

Question 14

The endosperm produced during double fertilization is ____.

Accepted Answer

A)  diploid 
B)  tetraploid 
C)  polyploid 
D)  triploid 
E)  haploid 
A)  diploid 
B)  tetraploid 
C)  polyploid 
D)  triploid 
E)  haploid

Question 15

A(n) ____ is a fleshy fruit produced from one ovary.

Accepted Answer

A)  aggregate fruit 
B)  dry fruit 
C)  multiple fruit 
D)  berry 
E)  pome 
A)  aggregate fruit 
B)  dry fruit 
C)  multiple fruit 
D)  berry 
E)  pome

Question 16

A biological response to seasonal changes in the length of day relative to night is called a ____.

Accepted Answer

A)  phototropism 
B)  photoperiodism 
C)  geoperiodism 
D)  circadian rhythm 
E)  thigmostropism 
A)  phototropism 
B)  photoperiodism 
C)  geoperiodism 
D)  circadian rhythm 
E)  thigmostropism

Question 17

____ is a photoperiodic response in many species.

Accepted Answer

A)  Germination 
B)  Phototropism 
C)  Flowering 
D)  Geotropism 
E)  Thigmotropism 
A)  Germination 
B)  Phototropism 
C)  Flowering 
D)  Geotropism 
E)  Thigmotropism

Question 18

Flowering plants undergo ________, in which one of the sperm delivered by the pollen tube fuses with the egg, while another fuses with a central cell.

Accepted Answer

A)  budding 
B)  parthenogenesis 
C)  polyploidy 
D)  double fertilization 
E)  meiosis 
A)  budding 
B)  parthenogenesis 
C)  polyploidy 
D)  double fertilization 
E)  meiosis

Question 19

In a eudicot, what causes the hypocotyl to straighten upon emergence form the soil?

Accepted Answer

A)  sunlight 
B)  change in temperature 
C)  oxygen 
D)  nitrogen 
E)  water vapor 
A)  sunlight 
B)  change in temperature 
C)  oxygen 
D)  nitrogen 
E)  water vapor

Question 20

What is a cutting?

Accepted Answer

A)  root fragment 
B)  stem fragment 
C)  leaf 
D)  pollinated flower 
E)  seed 
A)  root fragment 
B)  stem fragment 
C)  leaf 
D)  pollinated flower 
E)  seed

Exam 29: Life Cycles of Flowering Plants

Which of the following are true, simple fruits?

How are apple trees that have tasty fruit reproduced?

Why is colony collapse disorder important?

Light-energized phototropins cause _____ to be directed away from the illuminated side of a stem.

The male gametophyte of a flower develops within a(n) ____.

Which of the following is the main trigger for breaking dormancy?

What is the difference between a cutting and a graft?

Colchicine induces ______ by _______.

Varroa destructor , a type of parasitic ____, attaches itself to a honeybee and sucks out tissue from an organ called a ____.

Researchers suspect that plant cells perceive temperature via their plasma membrane, because the _______ and _____ permeability of plasma membranes vary with temperature.

What plant hormone has a central role in barley seed germination?

The apples from the apple trees Johnny Appleseed sold to homesteaders were made from ____.

Which of the following develops into an embryo?

The endosperm produced during double fertilization is ____.

A(n) ____ is a fleshy fruit produced from one ovary.

A biological response to seasonal changes in the length of day relative to night is called a ____.

____ is a photoperiodic response in many species.

Flowering plants undergo ________, in which one of the sperm delivered by the pollen tube fuses with the egg, while another fuses with a central cell.

In a eudicot, what causes the hypocotyl to straighten upon emergence form the soil?

What is a cutting?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Photosynthesis

Releasing Chemical Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Prokaryotes, Protists, and Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Animal Reproduction and Development

Plant Form and Function

Filters

Colchicine induces by _.

Varroa destructor , a type of parasitic , attaches itself to a honeybee and sucks out tissue from an organ called a .

Researchers suspect that plant cells perceive temperature via their plasma membrane, because the ___ and _ permeability of plasma membranes vary with temperature.