Question 1

Photosynthesis takes place inside a specialized organelle called a ________.

Accepted Answer

chloroplast

Question 2

How would Earth change if the greenhouse effect didn't exist at all?

Accepted Answer

A)  Without the greenhouse effect, Earth would radiate all its heat into space. 
B)  All the incoming sunlight energy would be absorbed without the greenhouse effect. 
C)  The result of no greenhouse effect would be an extremely hot planet that never cools down. 
D)  Animals and plants would survive comfortably, and the average temperature would never change if the greenhouse effect did not exist. 
A)  Without the greenhouse effect, Earth would radiate all its heat into space. 
B)  All the incoming sunlight energy would be absorbed without the greenhouse effect. 
C)  The result of no greenhouse effect would be an extremely hot planet that never cools down. 
D)  Animals and plants would survive comfortably, and the average temperature would never change if the greenhouse effect did not exist. A

Question 3

When are the most hydrogen bonds likely to reform between water molecules in a lake?

Accepted Answer

A)  in the late morning 
B)  at noon 
C)  in the late afternoon 
D)  at night 
A)  in the late morning 
B)  at noon 
C)  in the late afternoon 
D)  at night D

Question 4

The plants that made up fossil fuels lived around ________ years ago.

Accepted Answer

A)  300,000,000,000 
B)  300,000,000 
C)  300,000 
D)  30,000 
A)  300,000,000,000 
B)  300,000,000 
C)  300,000 
D)  30,000

Question 5

The Calvin cycle of photosynthesis occurs in the

Accepted Answer

A)  stroma. 
B)  outer chloroplast membrane. 
C)  thylakoids. 
D)  rubisco. 
A)  stroma. 
B)  outer chloroplast membrane. 
C)  thylakoids. 
D)  rubisco.

Question 6

Which of these activities could help you to slow the rate of global warming?

Accepted Answer

A)  only buy food in plastic containers 
B)  drive faster than the speed limit 
C)  replace an old refrigerator with a new one 
D)  mow the grass more frequently 
A)  only buy food in plastic containers 
B)  drive faster than the speed limit 
C)  replace an old refrigerator with a new one 
D)  mow the grass more frequently

Question 7

Which of the following is a true statement about carbon and the carbon cycle?

Accepted Answer

A)  There is a one-way flow of carbon from volcanoes to plants to herbivores to carnivores and, finally, to the atmosphere. 
B)  Carbon is recycled among plants, animals, water, soil, and the atmosphere. 
C)  Carbon dioxide (CO2) is the only carbon-containing compound involved in the carbon cycle. 
D)  Carbon is recycled in a general sense, but once carbon dioxide is exhaled from animals, it can only enter the atmosphere, where it's trapped and adds to the greenhouse effect. 
A)  There is a one-way flow of carbon from volcanoes to plants to herbivores to carnivores and, finally, to the atmosphere. 
B)  Carbon is recycled among plants, animals, water, soil, and the atmosphere. 
C)  Carbon dioxide (CO2) is the only carbon-containing compound involved in the carbon cycle. 
D)  Carbon is recycled in a general sense, but once carbon dioxide is exhaled from animals, it can only enter the atmosphere, where it's trapped and adds to the greenhouse effect.

Question 8

In plant leaves, carbon dioxide enters and oxygen exits via tiny pores called ________.

Accepted Answer

The answer of In plant leaves, carbon dioxide enters and...

Question 9

What process occurs as individual water molecules move fast enough to rise into the air as water vapor?

Accepted Answer

A)  condensation 
B)  combustion 
C)  evaporation 
D)  precipitation 
A)  condensation 
B)  combustion 
C)  evaporation 
D)  precipitation

Question 10

Where does most of the carbon dioxide released by human activities come from?

Accepted Answer

A)  exhaling (cellular respiration waste products) 
B)  decomposing garbage in landfills 
C)  burning wood for cooking fires 
D)  burning fossil fuels 
A)  exhaling (cellular respiration waste products) 
B)  decomposing garbage in landfills 
C)  burning wood for cooking fires 
D)  burning fossil fuels

Question 11

The planet Mercury is closer to the sun than the planet Venus. However, temperatures on Venus are hotter than temperatures on Mercury. Why would this be the case?

Accepted Answer

A)  Mercury has a thicker atmosphere than Venus that blocks heat from the sun. 
B)  Mercury spins more quickly than Venus, so its surface cannot heat up as quickly. 
C)  Venus has a thicker atmosphere than Mercury that traps heat from the sun. 
D)  Venus is cooled by high concentrations of water vapor in its atmosphere. 
A)  Mercury has a thicker atmosphere than Venus that blocks heat from the sun. 
B)  Mercury spins more quickly than Venus, so its surface cannot heat up as quickly. 
C)  Venus has a thicker atmosphere than Mercury that traps heat from the sun. 
D)  Venus is cooled by high concentrations of water vapor in its atmosphere.

Question 12

-According to the graph, by how many parts per million has the concentration of atmospheric carbon dioxide changed between 1980 and 2010?

Accepted Answer

A)  about 20 ppm 
B)  about 50 ppm 
C)  about 80 ppm 
D)  about 110 ppm 
A)  about 20 ppm 
B)  about 50 ppm 
C)  about 80 ppm 
D)  about 110 ppm

Question 13

According to scientists, how do the levels of carbon dioxide in the atmosphere today compare to the past 400,000 years?

Accepted Answer

A)  There's more atmospheric carbon dioxide today. 
B)  There's less atmospheric carbon dioxide today. 
C)  There have been no changes in atmospheric carbon dioxide levels. 
D)  Atmospheric carbon dioxide levels have fluctuated randomly. 
A)  There's more atmospheric carbon dioxide today. 
B)  There's less atmospheric carbon dioxide today. 
C)  There have been no changes in atmospheric carbon dioxide levels. 
D)  Atmospheric carbon dioxide levels have fluctuated randomly.

Question 14

How is global warming likely to affect an animal species that has narrow temperature requirements? Global warming is likely to

Accepted Answer

A)  cause the expansion of the species' range. 
B)  cause the extinction of the species. 
C)  reduce the diseases that threaten the species. 
D)  have no effect on the species. 
A)  cause the expansion of the species' range. 
B)  cause the extinction of the species. 
C)  reduce the diseases that threaten the species. 
D)  have no effect on the species.

Question 15

Which of these would be the most likely effect on precipitation from global warming?

Accepted Answer

A)  an increase in the months of snowfall in higher latitudes 
B)  a decrease in the amount of snowfall on mountaintops 
C)  an increase in the amount of rainfall in every climate 
D)  a decrease in the amount of rainfall near oceans 
A)  an increase in the months of snowfall in higher latitudes 
B)  a decrease in the amount of snowfall on mountaintops 
C)  an increase in the amount of rainfall in every climate 
D)  a decrease in the amount of rainfall near oceans

Question 16

During which process does water vapor move out of plant stomata?

Accepted Answer

A)  condensation 
B)  combustion 
C)  evaporation 
D)  transpiration 
A)  condensation 
B)  combustion 
C)  evaporation 
D)  transpiration

Question 17

A CAM plant

Accepted Answer

A)  uses 4-carbon sugars to pump carbon dioxide molecules to the Calvin cycle. 
B)  is often used in agriculture because of its ability to conserve water. 
C)  slows water loss by opening stomata only at night. 
D)  tends to grow very slowly because of its inability to undergo the Calvin cycle. 
A)  uses 4-carbon sugars to pump carbon dioxide molecules to the Calvin cycle. 
B)  is often used in agriculture because of its ability to conserve water. 
C)  slows water loss by opening stomata only at night. 
D)  tends to grow very slowly because of its inability to undergo the Calvin cycle.

Question 18

What gas do plants release during photorespiration?

Accepted Answer

A)  water vapor 
B)  oxygen 
C)  carbon dioxide 
D)  carbon monoxide 
A)  water vapor 
B)  oxygen 
C)  carbon dioxide 
D)  carbon monoxide

Question 19

Heat is a measure of

Accepted Answer

A)  the rate that molecules are moving within a substance. 
B)  the resistance to temperature change within a substance. 
C)  the ability of a substance to transfer energy between its molecules. 
D)  the total amount of energy associated with the movement of molecules in a substance. 
A)  the rate that molecules are moving within a substance. 
B)  the resistance to temperature change within a substance. 
C)  the ability of a substance to transfer energy between its molecules. 
D)  the total amount of energy associated with the movement of molecules in a substance.

Question 20

Which of the following statements about the greenhouse effect is true?

Accepted Answer

A)  Most life on Earth relies upon the hospitable temperatures resulting from the greenhouse effect. 
B)  The greenhouse effect is a dangerous phenomenon that should be stopped as soon as possible. 
C)  The greenhouse effect results from the presence of oxygen in the atmosphere. 
D)  Global warming is likely the result of a lessening of the greenhouse effect. 
A)  Most life on Earth relies upon the hospitable temperatures resulting from the greenhouse effect. 
B)  The greenhouse effect is a dangerous phenomenon that should be stopped as soon as possible. 
C)  The greenhouse effect results from the presence of oxygen in the atmosphere. 
D)  Global warming is likely the result of a lessening of the greenhouse effect.

Exam 5: Life in the Greenhouse: Photosynthesis and Global Warming

Photosynthesis takes place inside a specialized organelle called a ________.

How would Earth change if the greenhouse effect didn't exist at all?

When are the most hydrogen bonds likely to reform between water molecules in a lake?

The plants that made up fossil fuels lived around ________ years ago.

The Calvin cycle of photosynthesis occurs in the

Which of these activities could help you to slow the rate of global warming?

Which of the following is a true statement about carbon and the carbon cycle?

In plant leaves, carbon dioxide enters and oxygen exits via tiny pores called ________.

What process occurs as individual water molecules move fast enough to rise into the air as water vapor?

Where does most of the carbon dioxide released by human activities come from?

The planet Mercury is closer to the sun than the planet Venus. However, temperatures on Venus are hotter than temperatures on Mercury. Why would this be the case?

-According to the graph, by how many parts per million has the concentration of atmospheric carbon dioxide changed between 1980 and 2010?

According to scientists, how do the levels of carbon dioxide in the atmosphere today compare to the past 400,000 years?

How is global warming likely to affect an animal species that has narrow temperature requirements? Global warming is likely to

Which of these would be the most likely effect on precipitation from global warming?

During which process does water vapor move out of plant stomata?

A CAM plant

What gas do plants release during photorespiration?

Heat is a measure of

Which of the following statements about the greenhouse effect is true?

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

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

Growing a Green Thumb: Plant Physiology

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