Question 1

Organic fertilizers

Accepted Answer

A)  release their nutrients to the soil quickly. 
B)  can improve the soil. 
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 by spraying. 
A)  release their nutrients to the soil quickly. 
B)  can improve the soil. 
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 by spraying.

Question 2

The large Rhizobium cells that live within plant root nodules are called _______.

Accepted Answer

The answer of The large Rhizobium cells that live within...

Question 3

The minerals required by plants in concentrations of less than 100 milligrams per kilogram of their dry matter are called _______.

Accepted Answer

The answer of The minerals required by plants in concentrations...

Question 4

The products of nitrogen-fixing organisms can be oxidized to form nitrites and nitrates by

Accepted Answer

A)  all living organisms. 
B)  most living organisms that utilize oxygen. 
C)  many types of microorganisms. 
D)  a few specific genera of soil bacteria. 
E)  only the nitrogen-fixing bacteria. 
A)  all living organisms. 
B)  most living organisms that utilize oxygen. 
C)  many types of microorganisms. 
D)  a few specific genera of soil bacteria. 
E)  only the nitrogen-fixing bacteria.

Question 5

In a typical soil,

Accepted Answer

A)  the topsoil tends to lose mineral nutrients by leaching. 
B)  there are four or more horizons. 
C)  the C horizon consists primarily of loam. 
D)  the dead and decaying organic matter gathers in the B horizon. 
E)  more clay means more air space and thus more oxygen for roots. 
A)  the topsoil tends to lose mineral nutrients by leaching. 
B)  there are four or more horizons. 
C)  the C horizon consists primarily of loam. 
D)  the dead and decaying organic matter gathers in the B horizon. 
E)  more clay means more air space and thus more oxygen for roots.

Question 6

Soils can have as many as _______ horizons.

Accepted Answer

The answer of Soils can have as many as _______...

Question 7

Use the following to answer questions :
Refer to the diagram below, showing the nitrogen cycle.  
-What process shown in the diagram is carried out entirely by plants?

Accepted Answer

The answer of Use the following to answer questions :
Refer...

Question 8

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

Question 9

Nitrogenase enzymes are inhibited by _______ molecules.

Accepted Answer

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

Question 10

Nitrogen fixation, which is the conversion of atmospheric nitrogen to _______, is catalyzed by a single enzyme called _______.

Accepted Answer

ammonia; n

Question 11

Some essential elements that occur as positive ions in soils may be traded with H+ ions in soil solutions by the process of _______.

Accepted Answer

Question 12

Haustoria are structures of some

Accepted Answer

A)  parasitic plants. 
B)  carnivorous plants. 
C)  nitrate-reducing plants. 
D)  denitrifying bacteria. 
E)  nitrogen-fixing bacteria. 
A)  parasitic plants. 
B)  carnivorous plants. 
C)  nitrate-reducing plants. 
D)  denitrifying bacteria. 
E)  nitrogen-fixing bacteria.

Question 13

Monotropa species (Indian pipe) are holoparasites that strongly resemble fungi when they emerge from the ground. Which of the following features do you think would distinguish Indian pipe from a fungus?

Accepted Answer

A)  Indian pipe flowers. 
B)  Fungi have cell walls that contain cellulose. 
C)  Fungi have plastids. 
D)  Fungi flower. 
E)  Indian pipe does not have chlorophyll. 
A)  Indian pipe flowers. 
B)  Fungi have cell walls that contain cellulose. 
C)  Fungi have plastids. 
D)  Fungi flower. 
E)  Indian pipe does not have chlorophyll.

Question 14

Use the following to answer questions :
Refer to the diagram below, showing root nodule formation.  
-Which letter indicates an area where root cells are releasing flavinoids?

Accepted Answer

The answer of Use the following to answer questions :
Refer...

Exam 36: Plant Nutrition

Organic fertilizers

The large Rhizobium cells that live within plant root nodules are called _______.

The minerals required by plants in concentrations of less than 100 milligrams per kilogram of their dry matter are called _______.

The products of nitrogen-fixing organisms can be oxidized to form nitrites and nitrates by

In a typical soil,

Soils can have as many as _______ horizons.

Use the following to answer questions : Refer to the diagram below, showing the nitrogen cycle. -What process shown in the diagram is carried out entirely by plants?

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

Nitrogenase enzymes are inhibited by _______ molecules.

Nitrogen fixation, which is the conversion of atmospheric nitrogen to _______, is catalyzed by a single enzyme called _______.

Some essential elements that occur as positive ions in soils may be traded with H+ ions in soil solutions by the process of _______.

Haustoria are structures of some

Monotropa species (Indian pipe) are holoparasites that strongly resemble fungi when they emerge from the ground. Which of the following features do you think would distinguish Indian pipe from a fungus?

Use the following to answer questions : Refer to the diagram below, showing root nodule formation. -Which letter indicates an area where root cells are releasing flavinoids?

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 Signaling and Communication

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

Recombinent Dna and Biotechnology

Differential Gene Expression in Development

Development and Evolutionary Change

Evidence and Mechanisms of Evolution

Reconstructing and Using Phylogenies

Species and Their Formation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria and Archaea: the Prokaryotic Domains

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

Fungi: Recyclers, Pathogens, Parasites, and Plant Partners

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 and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Function

Musculoskeletal Systems

Gas Exchange in Animals

Circulatory Systems

Nutrition, Digestion, and Absorption

Salt and Water Balance and Nitrogen

Animal Behavior

Ecology and the Distribution of Life

Population Ecology

Species Interaction and Coevolution

Community Ecology

Ecosystems and Global Ecology

Conservation Biology

Filters

Nitrogen fixation, which is the conversion of atmospheric nitrogen to _, is catalyzed by a single enzyme called _.

Some essential elements that occur as positive ions in soils may be traded with H⁺ ions in soil solutions by the process of _______.