Question 1

One of the fastest motions made by plants is by a carnivorous plant, the

Accepted Answer

A)  corkscrew plant. 
B)  butterwort. 
C)  Venus flytrap. 
D)  pitcher plant. 
E)  Albany pitcher plant. 
A)  corkscrew plant. 
B)  butterwort. 
C)  Venus flytrap. 
D)  pitcher plant. 
E)  Albany pitcher plant.

Question 2

In general, the soil has a(n) _______ population of microorganisms.

Accepted Answer

A)  small 
B)  diminishing 
C)  detrimental 
D)  undernourished 
E)  large and diverse 
A)  small 
B)  diminishing 
C)  detrimental 
D)  undernourished 
E)  large and diverse

Question 3

A botanist performs a series of experiments in which different possible sources of oxygen to be used by plants are radioactively labeled.When photosynthetically derived compounds are examined, their oxygen will be found to have come from which source?

Accepted Answer

A)  The atmosphere only 
B)  Soil minerals only 
C)  Water 
D)  Both the atmosphere and soil 
E)  Fertilizer 
A)  The atmosphere only 
B)  Soil minerals only 
C)  Water 
D)  Both the atmosphere and soil 
E)  Fertilizer

Question 4

The majority of nitrogen on Earth is in the form of

Accepted Answer

A)  nitrogen gas. 
B)  amino acids and proteins. 
C)  nitrate. 
D)  nucleic acids. 
E)  ammonia. 
A)  nitrogen gas. 
B)  amino acids and proteins. 
C)  nitrate. 
D)  nucleic acids. 
E)  ammonia.

Question 5

The establishment of plant-bacteria and plant-fungus relationships

Accepted Answer

A)  involves chemical signaling by the plant only. 
B)  involves chemical signaling by the microbe or parasite only. 
C)  involves penetration into the symplast of the host plant cells. 
D)  can be very species-specific. 
E)  is always beneficial to the host plant. 
A)  involves chemical signaling by the plant only. 
B)  involves chemical signaling by the microbe or parasite only. 
C)  involves penetration into the symplast of the host plant cells. 
D)  can be very species-specific. 
E)  is always beneficial to the host plant.

Question 6

A farmer who has a soil with little phosphorus and a very high pH would want to apply

Accepted Answer

A)  fertilizer. 
B)  coal dust. 
C)  another kind of soil. 
D)  clay. 
E)  sand. 
A)  fertilizer. 
B)  coal dust. 
C)  another kind of soil. 
D)  clay. 
E)  sand.

Question 7

If you were working in the lab with nitrogenase, and the nitrogenase stopped catalyzing the reaction, you might need to eliminate or reduce the _______ in the experimental system to get it working again.

Accepted Answer

A)  hydrogen gas 
B)  calcium carbonate 
C)  water 
D)  CO2 
E)  oxygen 
A)  hydrogen gas 
B)  calcium carbonate 
C)  water 
D)  CO2 
E)  oxygen

Question 8

Because of leaching and crop production, soils may become depleted of nutrients and require the addition of inorganic or organic _______.

Accepted Answer

The answer of Because of leaching and crop production, soils...

Question 9

Cation exchange is an important process that facilitates the uptake of nutrients by plants.Which statement about cation exchange is false?

Accepted Answer

A)  Cation exchange is most important in soils with high clay content. 
B)  Clay particles have a permanent negative charge. 
C)  Activities of roots do not affect cation exchange. 
D)  Negative ions such as phosphate, nitrate, and sulfate are leached from the soil. 
E)  Effective cation exchange depends on soil that is aerated. 
A)  Cation exchange is most important in soils with high clay content. 
B)  Clay particles have a permanent negative charge. 
C)  Activities of roots do not affect cation exchange. 
D)  Negative ions such as phosphate, nitrate, and sulfate are leached from the soil. 
E)  Effective cation exchange depends on soil that is aerated.

Question 10

A factor common to the formation of mycorrhizal arbuscles and of root nodules is the release of chemical signals by the _______.

Accepted Answer

The answer of A factor common to the formation of...

Question 11

Nutrients that are necessary for plant growth and reproduction, are not replaceable by another nutrient, and are required by the plant directly are called _______.

Accepted Answer

The answer of Nutrients that are necessary for plant growth...

Question 12

If you were to design a new parasitic plant, which mimicking characteristic would you include to improve the parasite's chance of infecting a host plant?

Accepted Answer

A)  Chitinous exoskeletons, like mycorrhizae 
B)  Receptors for strigolactones or flavonoids, like mycorrhizae and rhizobia 
C)  Binary fission, like rhizobia 
D)  Hyphae, like mycorrhizae 
E)  Unicellularity, like soil microbes 
A)  Chitinous exoskeletons, like mycorrhizae 
B)  Receptors for strigolactones or flavonoids, like mycorrhizae and rhizobia 
C)  Binary fission, like rhizobia 
D)  Hyphae, like mycorrhizae 
E)  Unicellularity, like soil microbes

Question 13

Inorganic fertilizers have advantages over organic fertilizers in terms of the

Accepted Answer

A)  ease of transportation and application. 
B)  ease of transportation and affordability. 
C)  ease of affordability and application. 
D)  lack of negative environmental side effects. 
E)  ease of calculation of appropriate level of application. 
A)  ease of transportation and application. 
B)  ease of transportation and affordability. 
C)  ease of affordability and application. 
D)  lack of negative environmental side effects. 
E)  ease of calculation of appropriate level of application.

Question 14

How do nitrogen-fixing microbes first become associated with their symbiotic plants?

Accepted Answer

A)  They are carried in the seed. 
B)  They move into the vascular system and multiply. 
C)  They move in via openings in the plant cell walls. 
D)  They enter via modified root hairs. 
E)  They enter root nodules once they are produced by the plant. 
A)  They are carried in the seed. 
B)  They move into the vascular system and multiply. 
C)  They move in via openings in the plant cell walls. 
D)  They enter via modified root hairs. 
E)  They enter root nodules once they are produced by the plant.

Question 15

The most common gas in the atmosphere is

Accepted Answer

A)  carbon dioxide. 
B)  ozone. 
C)  oxygen. 
D)  nitrogen. 
E)  water vapor. 
A)  carbon dioxide. 
B)  ozone. 
C)  oxygen. 
D)  nitrogen. 
E)  water vapor.

Question 16

One of the defining characteristics of an essential element is that

Accepted Answer

A)  it is necessary only for early growth of the seedling. 
B)  it can be replaced by another element. 
C)  the plant cannot survive without it. 
D)  it may function by relieving the toxicity of another element. 
E)  it is found in relatively high concentrations in the environment. 
A)  it is necessary only for early growth of the seedling. 
B)  it can be replaced by another element. 
C)  the plant cannot survive without it. 
D)  it may function by relieving the toxicity of another element. 
E)  it is found in relatively high concentrations in the environment.

Question 17

Most of the best agricultural topsoils are called

Accepted Answer

A)  silts. 
B)  claypans. 
C)  loams. 
D)  peats. 
E)  sand. 
A)  silts. 
B)  claypans. 
C)  loams. 
D)  peats. 
E)  sand.

Question 18

The plant membrane that surrounds the mycorrhizal cells is known as the

Accepted Answer

A)  plasma membrane. 
B)  nuclear envelope. 
C)  periarbuscular envelope. 
D)  periarbuscular membrane. 
E)  Golgi apparatus. 
A)  plasma membrane. 
B)  nuclear envelope. 
C)  periarbuscular envelope. 
D)  periarbuscular membrane. 
E)  Golgi apparatus.

Question 19

Plants do not obtain _______ from the soil.

Accepted Answer

A)  carbon 
B)  nitrogen 
C)  potassium 
D)  sulfur 
E)  zinc 
A)  carbon 
B)  nitrogen 
C)  potassium 
D)  sulfur 
E)  zinc

Question 20

Carnivorous plants trap and digest _______ to increase their supply of _______.They grow in areas that have boggy, _______ soils.

Accepted Answer

A)  insects; energy; acidic 
B)  insects and even small vertebrates; nitrogen; basic 
C)  insects and even small vertebrates; nitrogen; acidic 
D)  insects; energy; basic 
E)  insects; nitrogen; neutral 
A)  insects; energy; acidic 
B)  insects and even small vertebrates; nitrogen; basic 
C)  insects and even small vertebrates; nitrogen; acidic 
D)  insects; energy; basic 
E)  insects; nitrogen; neutral

Exam 35: Plant Nutrition

One of the fastest motions made by plants is by a carnivorous plant, the

In general, the soil has a(n) _______ population of microorganisms.

A botanist performs a series of experiments in which different possible sources of oxygen to be used by plants are radioactively labeled.When photosynthetically derived compounds are examined, their oxygen will be found to have come from which source?

The majority of nitrogen on Earth is in the form of

The establishment of plant-bacteria and plant-fungus relationships

A farmer who has a soil with little phosphorus and a very high pH would want to apply

If you were working in the lab with nitrogenase, and the nitrogenase stopped catalyzing the reaction, you might need to eliminate or reduce the _______ in the experimental system to get it working again.

Because of leaching and crop production, soils may become depleted of nutrients and require the addition of inorganic or organic _______.

Cation exchange is an important process that facilitates the uptake of nutrients by plants.Which statement about cation exchange is false?

A factor common to the formation of mycorrhizal arbuscles and of root nodules is the release of chemical signals by the _______.

Nutrients that are necessary for plant growth and reproduction, are not replaceable by another nutrient, and are required by the plant directly are called _______.

If you were to design a new parasitic plant, which mimicking characteristic would you include to improve the parasite's chance of infecting a host plant?

Inorganic fertilizers have advantages over organic fertilizers in terms of the

How do nitrogen-fixing microbes first become associated with their symbiotic plants?

The most common gas in the atmosphere is

One of the defining characteristics of an essential element is that

Most of the best agricultural topsoils are called

The plant membrane that surrounds the mycorrhizal cells is known as the

Plants do not obtain _______ from the soil.

Carnivorous plants trap and digest _______ to increase their supply of _______.They grow in areas that have boggy, _______ soils.

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Communication and Multicellularity

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinant Dna and Biotechnology

Mechanisms of Evolution

Reconstructing and Using Phylogenies

Speciation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

The Evolution and Diversity of Fungi

Animal Origins and the Evolution of Body Plans

Protostome Animals

Deuterostome Animals

The Plant Body

Transport in Plants

Regulation of Plant Growth

Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Animal Hormones

Immunology: Animal Defense Systems

Animal Reproduction

Animal Development

Neurons, Glia, and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Functions

Musculoskeletal Systems

Gas Exchange

Circulatory Systems

Nutrition, Digestion, and Absorption

Salt and Water Balance and Nitrogen Excretion

Animal Behavior

The Physical Environment and Biogeography of Life

Populations

Species Interactions

Communities

Ecosystems

A Changing Biosphere

Filters

Carnivorous plants trap and digest ___ to increase their supply of _.They grow in areas that have boggy, _____ soils.