Question 1

Photosynthetic plants that steal from other plants are known as _______, while those that cannot carry out photosynthesis are called _______.

Accepted Answer

A)  parasites; holoparasites 
B)  hemiparasites; protoparasites 
C)  protoparasites; holoparasites 
D)  hemiparasites; holoparasites 
E)  hemiparasites; parasites 
A)  parasites; holoparasites 
B)  hemiparasites; protoparasites 
C)  protoparasites; holoparasites 
D)  hemiparasites; holoparasites 
E)  hemiparasites; parasites

Question 2

If an environmental antibiotic temporarily stopped bacterial functioning in the nitrogen cycle, which process(es) could continue?

Accepted Answer

A)  Denitrification 
B)  Nitrogen fixation 
C)  Nitrate reduction 
D)  Nitrification 
E)  Both b and c 
A)  Denitrification 
B)  Nitrogen fixation 
C)  Nitrate reduction 
D)  Nitrification 
E)  Both b and c

Question 3

If you wanted to increase the cation-binding capacity of a soil sample as much as possible, you would add

Accepted Answer

A)  sand. 
B)  clay. 
C)  silt. 
D)  large rock pieces. 
E)  gravel. 
A)  sand. 
B)  clay. 
C)  silt. 
D)  large rock pieces. 
E)  gravel.

Question 4

Which plant does not have nitrogen-fixing root nodules that contain Rhizobium?

Accepted Answer

A)  Alfalfa 
B)  Beans 
C)  Clover 
D)  Peas 
E)  Rice 
A)  Alfalfa 
B)  Beans 
C)  Clover 
D)  Peas 
E)  Rice

Question 5

Nickel, which _______, was not discovered to be essential for plant growth until 1983.

Accepted Answer

A)  is required in very large amounts 
B)  cannot be stored in seeds 
C)  is not often found in mixtures with other nutrients 
D)  cannot be found in soil 
E)  is a micronutrient needed in very small amounts 
A)  is required in very large amounts 
B)  cannot be stored in seeds 
C)  is not often found in mixtures with other nutrients 
D)  cannot be found in soil 
E)  is a micronutrient needed in very small amounts

Question 6

Nutrient deficiency symptoms can be avoided in plants by providing enough

Accepted Answer

A)  air. 
B)  water. 
C)  fertilizer. 
D)  soil solution. 
E)  space. 
A)  air. 
B)  water. 
C)  fertilizer. 
D)  soil solution. 
E)  space.

Question 7

Researchers discover that a species of maple tree cannot survive and complete its life cycle without tiny amounts of fluorine.For this tree, fluorine is a(n)

Accepted Answer

A)  micronutrient. 
B)  macronutrient. 
C)  essential element. 
D)  amino acid. 
E)  essential micronutrient. 
A)  micronutrient. 
B)  macronutrient. 
C)  essential element. 
D)  amino acid. 
E)  essential micronutrient.

Question 8

Monotropa species (Indian pipe) are holoparasites that strongly resemble fungi when they emerge from the ground.Which feature would distinguish Indian pipe from fungi?

Accepted Answer

A)  Inability to photosynthesize 
B)  Flowers 
C)  Lack of chlorophyll 
D)  Dependent on host for water and nutrients 
E)  Lack of genes for the chloroplast genome 
A)  Inability to photosynthesize 
B)  Flowers 
C)  Lack of chlorophyll 
D)  Dependent on host for water and nutrients 
E)  Lack of genes for the chloroplast genome

Question 9

Nitrogen fixation is catalyzed by the enzyme _______, which cannot function in the presence of the element oxygen.

Accepted Answer

The answer of Nitrogen fixation is catalyzed by the enzyme...

Question 10

Venus flytraps, sundews, and pitcher plants are all examples of

Accepted Answer

A)  parasites. 
B)  hemiparasites. 
C)  holoparasites. 
D)  carnivorous plants. 
E)  photoauxotrophs. 
A)  parasites. 
B)  hemiparasites. 
C)  holoparasites. 
D)  carnivorous plants. 
E)  photoauxotrophs.

Question 11

Differentiate between hemiparasitic and holoparasitic plants.How would you expect them to differ morphologically?

Accepted Answer

Although both types of plants are parasi

Question 12

To produce a nitrogen fertilizer, the initial step includes energy-intensive processes that convert _______ into _______.

Accepted Answer

A)  ammonia; nitrate 
B)  ammonia; nitrite 
C)  nitrogen gas; nitrate 
D)  nitrogen gas; ammonia 
E)  nitrate; nitrite 
A)  ammonia; nitrate 
B)  ammonia; nitrite 
C)  nitrogen gas; nitrate 
D)  nitrogen gas; ammonia 
E)  nitrate; nitrite

Question 13

Iron deficiencies cause _______ leaves to become _______.

Accepted Answer

A)  old; yellow 
B)  young; yellow 
C)  old; orange 
D)  young; orange 
E)  old; brown-spotted 
A)  old; yellow 
B)  young; yellow 
C)  old; orange 
D)  young; orange 
E)  old; brown-spotted

Question 14

Proteins are macromolecules that account for much of a plant's demand for mineral nutrients.Protein molecular structure explains at least some of the need for carbon and which other elements?

Accepted Answer

A)  Oxygen, sulfur, phosphorus, and potassium 
B)  Hydrogen, oxygen, nitrogen, and phosphorus 
C)  Hydrogen, oxygen, nitrogen, and sulfur 
D)  Hydrogen, nitrogen, sulfur, and potassium 
E)  Hydrogen, oxygen, phosphorus, and potassium 
A)  Oxygen, sulfur, phosphorus, and potassium 
B)  Hydrogen, oxygen, nitrogen, and phosphorus 
C)  Hydrogen, oxygen, nitrogen, and sulfur 
D)  Hydrogen, nitrogen, sulfur, and potassium 
E)  Hydrogen, oxygen, phosphorus, and potassium

Question 15

Refer to the figure showing a soil profile.   Years of cotton farming in the South have stripped away much of the A horizon of the soils.Subsequent agriculture has

Accepted Answer

A)  been problematic, because the A horizon contains the most available nutrients. 
B)  not been affected, because the B horizon contains significantly more available nutrients. 
C)  been affected slightly, because the C horizon is most conducive to root growth. 
D)  been problematic, because stripping of the A horizon leaches the C horizon of its nutrients. 
E)  not been affected, since the A horizon is easily replaced. 
A)  been problematic, because the A horizon contains the most available nutrients. 
B)  not been affected, because the B horizon contains significantly more available nutrients. 
C)  been affected slightly, because the C horizon is most conducive to root growth. 
D)  been problematic, because stripping of the A horizon leaches the C horizon of its nutrients. 
E)  not been affected, since the A horizon is easily replaced.

Question 16

Organic fertilizers

Accepted Answer

A)  can improve the plant nutrient contents of the soil. 
B)  release their nutrients to the soil quickly. 
C)  are more readily leached out of the soil than inorganic fertilizers. 
D)  can easily be formulated to meet the nutritional needs of a crop. 
E)  can be applied only by spraying. 
A)  can improve the plant nutrient contents of the soil. 
B)  release their nutrients to the soil quickly. 
C)  are more readily leached out of the soil than inorganic fertilizers. 
D)  can easily be formulated to meet the nutritional needs of a crop. 
E)  can be applied only by spraying.

Question 17

A pink lump on a clover root is most likely a

Accepted Answer

A)  parasite. 
B)  root nodule. 
C)  root hair. 
D)  crown gall. 
E)  mycorrhiza. 
A)  parasite. 
B)  root nodule. 
C)  root hair. 
D)  crown gall. 
E)  mycorrhiza.

Question 18

Which four elements are found in highest concentration in plants?

Accepted Answer

A)  Phosphorus, calcium, hydrogen, carbon 
B)  Magnesium, phosphorus, calcium, potassium 
C)  Magnesium, iron, phosphorus, potassium 
D)  Carbon, hydrogen, oxygen, nitrogen 
E)  Carbon, hydrogen, oxygen, potassium 
A)  Phosphorus, calcium, hydrogen, carbon 
B)  Magnesium, phosphorus, calcium, potassium 
C)  Magnesium, iron, phosphorus, potassium 
D)  Carbon, hydrogen, oxygen, nitrogen 
E)  Carbon, hydrogen, oxygen, potassium

Question 19

Carnivorous plants have adapted to their environments by

Accepted Answer

A)  fixing nitrogen. 
B)  having very efficient nitrate uptake systems. 
C)  trapping insects and digesting them. 
D)  trapping bacteria to aid in digestion. 
E)  being parasitic. 
A)  fixing nitrogen. 
B)  having very efficient nitrate uptake systems. 
C)  trapping insects and digesting them. 
D)  trapping bacteria to aid in digestion. 
E)  being parasitic.

Question 20

Most carnivorous plants are found in boggy, wet, acidic environments.What is the effect of such an environment on nutrient availability?

Accepted Answer

Acidic environments limit deco

Exam 35: Plant Nutrition

Photosynthetic plants that steal from other plants are known as _______, while those that cannot carry out photosynthesis are called _______.

If an environmental antibiotic temporarily stopped bacterial functioning in the nitrogen cycle, which process(es) could continue?

If you wanted to increase the cation-binding capacity of a soil sample as much as possible, you would add

Which plant does not have nitrogen-fixing root nodules that contain Rhizobium?

Nickel, which _______, was not discovered to be essential for plant growth until 1983.

Nutrient deficiency symptoms can be avoided in plants by providing enough

Researchers discover that a species of maple tree cannot survive and complete its life cycle without tiny amounts of fluorine.For this tree, fluorine is a(n)

Monotropa species (Indian pipe) are holoparasites that strongly resemble fungi when they emerge from the ground.Which feature would distinguish Indian pipe from fungi?

Nitrogen fixation is catalyzed by the enzyme _______, which cannot function in the presence of the element oxygen.

Venus flytraps, sundews, and pitcher plants are all examples of

Differentiate between hemiparasitic and holoparasitic plants.How would you expect them to differ morphologically?

To produce a nitrogen fertilizer, the initial step includes energy-intensive processes that convert _______ into _______.

Iron deficiencies cause _______ leaves to become _______.

Proteins are macromolecules that account for much of a plant's demand for mineral nutrients.Protein molecular structure explains at least some of the need for carbon and which other elements?

Refer to the figure showing a soil profile. Years of cotton farming in the South have stripped away much of the A horizon of the soils.Subsequent agriculture has

Organic fertilizers

A pink lump on a clover root is most likely a

Which four elements are found in highest concentration in plants?

Carnivorous plants have adapted to their environments by

Most carnivorous plants are found in boggy, wet, acidic environments.What is the effect of such an environment on nutrient availability?

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

Photosynthetic plants that steal from other plants are known as _, while those that cannot carry out photosynthesis are called _.

To produce a nitrogen fertilizer, the initial step includes energy-intensive processes that convert _ into _.

Iron deficiencies cause _ leaves to become _.