Question 1

What effect would a decrease in the amount of greenhouse gases in Earth's atmosphere have?

Accepted Answer

A)  cooler average global temperatures 
B)  warmer average global temperatures 
C)  no change in average global temperatures 
D)  cooler temperatures in the northern hemisphere and warmer temperatures in the southern hemisphere 
A)  cooler average global temperatures 
B)  warmer average global temperatures 
C)  no change in average global temperatures 
D)  cooler temperatures in the northern hemisphere and warmer temperatures in the southern hemisphere A

Question 2

Which types of plants undergo the most photorespiration?

Accepted Answer

A)  C₂ plants 
B)  C₃ plants 
C)  C₄ plants 
D)  CAM plants 
A)  C₂ plants 
B)  C₃ plants 
C)  C₄ plants 
D)  CAM plants B

Question 3

What happens first after chlorophyll absorbs light energy?

Accepted Answer

A)  Water splits into H⁺ and O₂. 
B)  Hydrogen ions combine with electrons to produce NADPH. 
C)  Electrons are released and move to a higher energy level. 
D)  Carbon dioxide is converted to sugar. 
A)  Water splits into H⁺ and O₂. 
B)  Hydrogen ions combine with electrons to produce NADPH. 
C)  Electrons are released and move to a higher energy level. 
D)  Carbon dioxide is converted to sugar. C

Question 4

Which gas is considered a greenhouse gas?

Accepted Answer

A)  water vapor 
B)  carbon monoxide 
C)  gaseous nitrogen 
D)  nitrous oxide 
A)  water vapor 
B)  carbon monoxide 
C)  gaseous nitrogen 
D)  nitrous oxide

Question 5

In plant leaves, what are the tiny pores that allow carbon dioxide to enter and oxygen to exit?

Accepted Answer

The answer of In plant leaves, what are the tiny...

Question 6

How might global warming affect the precipitation?

Accepted Answer

A)  Deserts will receive more rainfall. 
B)  Storms will increase in intensity. 
C)  Months of snowfall in higher latitudes will increase. 
D)  Rainfall near oceans will decrease. 
A)  Deserts will receive more rainfall. 
B)  Storms will increase in intensity. 
C)  Months of snowfall in higher latitudes will increase. 
D)  Rainfall near oceans will decrease.

Question 7

How have ocean waters been affected by increased amounts of carbon dioxide in the atmosphere?

Accepted Answer

A)  more acidic 
B)  more basic 
C)  closer to neutral in pH 
D)  richer in aquatic species 
A)  more acidic 
B)  more basic 
C)  closer to neutral in pH 
D)  richer in aquatic species

Question 8

Which process of the water cycle releases heat into the atmosphere?

Accepted Answer

A)  condensation 
B)  runoff 
C)  evaporation 
D)  ground-water discharge 
A)  condensation 
B)  runoff 
C)  evaporation 
D)  ground-water discharge

Question 9

Excess amounts of which sugar are used by plants to make glucose?

Accepted Answer

A)  G3P 
B)  RuBP 
C)  NADPH 
D)  fructose 
A)  G3P 
B)  RuBP 
C)  NADPH 
D)  fructose

Question 10

Which item would probably contain the most heat?

Accepted Answer

A)  a cup of coffee that is 140 degrees F 
B)  a person that is 98.6 degrees F 
C)  a large lake filled with water that is 72 degrees F 
D)  a smoldering campfire ember that is 400 degrees F 
A)  a cup of coffee that is 140 degrees F 
B)  a person that is 98.6 degrees F 
C)  a large lake filled with water that is 72 degrees F 
D)  a smoldering campfire ember that is 400 degrees F

Question 11

What does temperature measure?

Accepted Answer

A)  the potential energy in a substance 
B)  how fast the molecules in a substance are moving 
C)  the energy lost from a substance to its surroundings 
D)  how much heat is being absorbed by a substance 
A)  the potential energy in a substance 
B)  how fast the molecules in a substance are moving 
C)  the energy lost from a substance to its surroundings 
D)  how much heat is being absorbed by a substance

Question 12

What relationship has been shown by the data from Antarctic ice cores?

Accepted Answer

A)  a positive correlation between carbon dioxide concentration and ice core temperature 
B)  a negative correlation between carbon dioxide concentration and ice core temperature 
C)  no correlation between carbon dioxide concentration and ice core temperature 
D)  a confusing relationship between carbon dioxide concentration and ice core temperature 
A)  a positive correlation between carbon dioxide concentration and ice core temperature 
B)  a negative correlation between carbon dioxide concentration and ice core temperature 
C)  no correlation between carbon dioxide concentration and ice core temperature 
D)  a confusing relationship between carbon dioxide concentration and ice core temperature

Question 13

During which process does water vapor exit plant stomata?

Accepted Answer

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

Question 14

What happens when water is heated?

Accepted Answer

A)  It's broken into hydrogen and oxygen atoms. 
B)  New hydrogen bonds are created between water molecules. 
C)  Hydrogen bonds between water molecules are broken. 
D)  Hydrogen atoms jump from one water molecule to another water molecule. 
A)  It's broken into hydrogen and oxygen atoms. 
B)  New hydrogen bonds are created between water molecules. 
C)  Hydrogen bonds between water molecules are broken. 
D)  Hydrogen atoms jump from one water molecule to another water molecule.

Question 15

Which equation represents photosynthesis?

Accepted Answer

A)  6CO₂ + 6O₂ + sunlight → C₆H₁₂O6 + 6H₂O 
B)  6H₂O + 6CO₂ + sunlight → C₆H₁₂O₆ + 6O₂ 
C)  C₆H₁₂O₆ + 6O₂ + sunlight → 6CO₂ + 6H₂O 
D)  O₂ + H₂O + sunlight → C₆H₁₂O₆ + CO₂ 
A)  6CO₂ + 6O₂ + sunlight → C₆H₁₂O6 + 6H₂O 
B)  6H₂O + 6CO₂ + sunlight → C₆H₁₂O₆ + 6O₂ 
C)  C₆H₁₂O₆ + 6O₂ + sunlight → 6CO₂ + 6H₂O 
D)  O₂ + H₂O + sunlight → C₆H₁₂O₆ + CO₂

Question 16

What unconsumed macromolecule from dead organisms eventually formed fossil fuels?

Accepted Answer

The answer of What unconsumed macromolecule from dead organisms eventually...

Question 17

Into what type of energy does the process of photosynthesis transform solar energy?

Accepted Answer

A)  chemical 
B)  mechanical 
C)  heat 
D)  kinetic 
A)  chemical 
B)  mechanical 
C)  heat 
D)  kinetic

Question 18

Why does sweating cool your body?

Accepted Answer

A)  The water in sweat, as it is secreted from skin glands, is cooler than your body temperature. 
B)  Heat energy from your skin is used to evaporate the water in the sweat. 
C)  Water in sweat contains hydrogen bonds that react with skin cells and removes excess heat from the skin. 
D)  Sweat contains a combination of chemicals that react with salt on the skin to create a heat-absorbing substance. 
A)  The water in sweat, as it is secreted from skin glands, is cooler than your body temperature. 
B)  Heat energy from your skin is used to evaporate the water in the sweat. 
C)  Water in sweat contains hydrogen bonds that react with skin cells and removes excess heat from the skin. 
D)  Sweat contains a combination of chemicals that react with salt on the skin to create a heat-absorbing substance.

Question 19

What does the glucose molecule supply to cells?

Accepted Answer

The answer of What does the glucose molecule supply to...

Question 20

What is the first step of photosynthesis?

Accepted Answer

A)  Calvin cycle 
B)  light reactions 
C)  citric acid cycle 
D)  electron transport chain 
A)  Calvin cycle 
B)  light reactions 
C)  citric acid cycle 
D)  electron transport chain

Exam 5: Life in the Greenhouse: Photosynthesis and Climate Change

What effect would a decrease in the amount of greenhouse gases in Earth's atmosphere have?

Which types of plants undergo the most photorespiration?

What happens first after chlorophyll absorbs light energy?

Which gas is considered a greenhouse gas?

In plant leaves, what are the tiny pores that allow carbon dioxide to enter and oxygen to exit?

How might global warming affect the precipitation?

How have ocean waters been affected by increased amounts of carbon dioxide in the atmosphere?

Which process of the water cycle releases heat into the atmosphere?

Excess amounts of which sugar are used by plants to make glucose?

Which item would probably contain the most heat?

What does temperature measure?

What relationship has been shown by the data from Antarctic ice cores?

During which process does water vapor exit plant stomata?

What happens when water is heated?

Which equation represents photosynthesis?

What unconsumed macromolecule from dead organisms eventually formed fossil fuels?

Into what type of energy does the process of photosynthesis transform solar energy?

Why does sweating cool your body?

What does the glucose molecule supply to cells?

What is the first step of photosynthesis?

Can Science Cure the Common Cold Introduction to the Scientific Method

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Body Weight and Health: 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 Profiling

Genetically Modified Organisms: Gene Expression, Mutation,

Where Did We Come From the Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I Species and Races

The Greatest Species on Earth 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 and Organs

Binge Drinking: the Digestive and Urinary Systems

Clearing the Air: Respiratory and Cardiovascular Systems

Vaccination: Protection and Prevention or Peril Immune System,

Human Sex Differences: Endocrine, Skeletal, and Muscular Systems

Is There Something in the Water Reproductive and Developmental Biology

Study Drugs: Brain Boost or Brain Drain Brain Structure and Function

Feeding the World: Plant Structure and Growth

Growing a Green Thumb: Plant Physiology

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