Question 1

Which of the following plants is best adapted to prevent an embolism in their xylem tubes?

Accepted Answer

A)  a banana plant in a very warm climate 
B)  a spruce tree with narrow, tapering tracheids 
C)  a maple tree with wide, perforated vessel elements 
D)  a cattail in a marsh 
A)  a banana plant in a very warm climate 
B)  a spruce tree with narrow, tapering tracheids 
C)  a maple tree with wide, perforated vessel elements 
D)  a cattail in a marsh

Question 2

Translocation always occurs in a pine tree from the

Accepted Answer

A)  roots to the needles. 
B)  pinecones to the roots. 
C)  sugar source to the sink. 
D)  sugar sink to the source. 
A)  roots to the needles. 
B)  pinecones to the roots. 
C)  sugar source to the sink. 
D)  sugar sink to the source.

Question 3

Which of the following is a C4 plant?

Accepted Answer

A)  pineapple 
B)  sugarcane 
C)  jade plant 
D)  oak tree 
A)  pineapple 
B)  sugarcane 
C)  jade plant 
D)  oak tree

Question 4

The hormone ________ plays an "anti-abscission role" in plants.

Accepted Answer

A)  auxin 
B)  ethylene 
C)  gibberellin 
D)  cytokinin 
A)  auxin 
B)  ethylene 
C)  gibberellin 
D)  cytokinin

Question 5

Negative water pressure in the xylem of a plant is called

Accepted Answer

A)  torsion. 
B)  cohesion. 
C)  adhesion. 
D)  tension. 
A)  torsion. 
B)  cohesion. 
C)  adhesion. 
D)  tension.

Question 6

The sugars in a peach tree move

Accepted Answer

A)  only toward the fruit. 
B)  only toward the sugar source. 
C)  only toward a sugar sink. 
D)  either toward or away from sugar sources. 
A)  only toward the fruit. 
B)  only toward the sugar source. 
C)  only toward a sugar sink. 
D)  either toward or away from sugar sources.

Question 7

In plants, the sugars produced from photosynthesis are moved around via

Accepted Answer

A)  phloem sap. 
B)  xylem sap. 
C)  stomata. 
D)  embolisms. 
A)  phloem sap. 
B)  xylem sap. 
C)  stomata. 
D)  embolisms.

Question 8

The tendency for plants that live on other plants (epiphytes)to send shoots upward while sending roots down towards the ground is an example of ________, respectively.

Accepted Answer

A)  positive and negative gravitropism 
B)  positive and negative thigmotropism 
C)  negative and positive gravitropism 
D)  negative and positive thigmotropism 
A)  positive and negative gravitropism 
B)  positive and negative thigmotropism 
C)  negative and positive gravitropism 
D)  negative and positive thigmotropism

Question 9

Which of the following phenomena drives transpiration in a terrestrial woody plant?

Accepted Answer

A)  evaporation 
B)  gravitropism 
C)  translocation 
D)  photoperiodism 
A)  evaporation 
B)  gravitropism 
C)  translocation 
D)  photoperiodism

Question 10

The process of deadheading

Accepted Answer

A)  decreases the duration of flowering in an annual plant. 
B)  removes fruits and seeds from plants when they're mature. 
C)  allows the plant to produce and support more flowers than normal. 
D)  reduces the amount of water needed by the plant. 
A)  decreases the duration of flowering in an annual plant. 
B)  removes fruits and seeds from plants when they're mature. 
C)  allows the plant to produce and support more flowers than normal. 
D)  reduces the amount of water needed by the plant.

Question 11

Which of the following has the greatest hardiness (can tolerate the lowest temperature)?

Accepted Answer

A)  a tomato plant 
B)  a cabbage plant 
C)  an apple tree 
D)  a houseplant that evolved in the tropics 
A)  a tomato plant 
B)  a cabbage plant 
C)  an apple tree 
D)  a houseplant that evolved in the tropics

Which of the following plants is best adapted to prevent an embolism in their xylem tubes?

Translocation always occurs in a pine tree from the

Which of the following is a C₄ plant?

The hormone ________ plays an "anti-abscission role" in plants.

Negative water pressure in the xylem of a plant is called

The sugars in a peach tree move

In plants, the sugars produced from photosynthesis are moved around via

The tendency for plants that live on other plants (epiphytes)to send shoots upward while sending roots down towards the ground is an example of ________, respectively.

Which of the following phenomena drives transpiration in a terrestrial woody plant?

The process of deadheading

Which of the following has the greatest hardiness (can tolerate the lowest temperature)?

Can Science Cure the Common Cold? Introduction to the Scientific Method

Are We Alone in the Universe? Water, Biochemistry, and Cells

Is It Possible to Supplement Your Way to Better Health?

Fat: How Much is Right for You? Enzymes, Metabolism, and Cellular Respiration

Life in the Greenhouse: Photosynthesis and Global Warming

Cancer: DNA Synthesis, Mitosis, and Meiosis

Are You Only as Smart as Your Genes? Mendelian and Quantitative Genetics

DNA Detective: Complex Patterns of Inheritance and DNA Fingerprinting

Genetically Modified Organisms: Gene Expression, Mutation, and Cloning

Where Did We Come From? The Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I? Species and Races

Prospecting for Biological Gold: Biodiversity and Classification

Is the Human Population Too Large? Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live? Climate and Biomes

Organ Donation: Tissues Organs and Organ Systems

Clearing the Air: Respiratory Cardiovascular and Excretory Systems

Vaccinations: Protection and Prevention or Peril? Immune System

Sex Differences and Athleticism: Endocrine Skeletal and Muscular Systems

Is There Something in the Water? Reproductive and Developmental Biology

Attention Deficit Disorder: Brain Structure and Function

Feeding the World: Plant Structure and Growth

Filters

Exam 24: Growing a Green Thumb: Plant Physiology

Which of the following plants is best adapted to prevent an embolism in their xylem tubes?

Translocation always occurs in a pine tree from the

Which of the following is a C4 plant?

The hormone ________ plays an "anti-abscission role" in plants.

Negative water pressure in the xylem of a plant is called

The sugars in a peach tree move

In plants, the sugars produced from photosynthesis are moved around via

The tendency for plants that live on other plants (epiphytes)to send shoots upward while sending roots down towards the ground is an example of ________, respectively.

Which of the following phenomena drives transpiration in a terrestrial woody plant?

The process of deadheading

Which of the following has the greatest hardiness (can tolerate the lowest temperature)?

Can Science Cure the Common Cold? Introduction to the Scientific Method

Are We Alone in the Universe? Water, Biochemistry, and Cells

Is It Possible to Supplement Your Way to Better Health?

Fat: How Much is Right for You? Enzymes, Metabolism, and Cellular Respiration

Life in the Greenhouse: Photosynthesis and Global Warming

Cancer: DNA Synthesis, Mitosis, and Meiosis

Are You Only as Smart as Your Genes? Mendelian and Quantitative Genetics

DNA Detective: Complex Patterns of Inheritance and DNA Fingerprinting

Genetically Modified Organisms: Gene Expression, Mutation, and Cloning

Where Did We Come From? The Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I? Species and Races

Prospecting for Biological Gold: Biodiversity and Classification

Is the Human Population Too Large? Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live? Climate and Biomes

Organ Donation: Tissues Organs and Organ Systems

Clearing the Air: Respiratory Cardiovascular and Excretory Systems

Vaccinations: Protection and Prevention or Peril? Immune System

Sex Differences and Athleticism: Endocrine Skeletal and Muscular Systems

Is There Something in the Water? Reproductive and Developmental Biology

Attention Deficit Disorder: Brain Structure and Function

Feeding the World: Plant Structure and Growth

Filters

Which of the following is a C₄ plant?