Question 1

Figure 37.1 shows the results of a study to determine the effect of soil air spaces on plant growth.
   
Figure 37.1
-The data in Figure 37.1 indicate that that the plant

Accepted Answer

A) grows best at the lower levels of air in the soil. 
B) grows about the same in 15% and 20% soil air percent. 
C) grows best in soil air levels above 15%. 
D) B and C only 
E) A, B and C 
A) grows best at the lower levels of air in the soil. 
B) grows about the same in 15% and 20% soil air percent. 
C) grows best in soil air levels above 15%. 
D) B and C only 
E) A, B and C

Question 2

All of the following contributed to the dust bowl in the American southwest during the 1930s except

Accepted Answer

A) overgrazing by cattle. 
B) clear cutting of forest trees. 
C) plowing of native grasses. 
D) planting of field crops. 
E) lack of soil moisture. 
A) overgrazing by cattle. 
B) clear cutting of forest trees. 
C) plowing of native grasses. 
D) planting of field crops. 
E) lack of soil moisture.

Question 3

The specific relationship between a legume and its mutualistic Rhizobium strain probably depends on

Accepted Answer

A) each legume having a chemical dialog with fungus. 
B) each Rhizobium strain having a form of nitrogenase that works only in the appropriate legume host. 
C) each legume being found where the soil has only the Rhizobium specific to that legume. 
D) specific recognition between the chemical signals and signal receptors of the Rhizobium strain and legume species. 
E) destruction of all incompatible Rhizobium strains by enzymes secreted from the legume's roots. 
A) each legume having a chemical dialog with fungus. 
B) each Rhizobium strain having a form of nitrogenase that works only in the appropriate legume host. 
C) each legume being found where the soil has only the Rhizobium specific to that legume. 
D) specific recognition between the chemical signals and signal receptors of the Rhizobium strain and legume species. 
E) destruction of all incompatible Rhizobium strains by enzymes secreted from the legume's roots.

Question 4

Plants acquire most of their nitrogen in the form of N2 that they obtain from rhizobacteria.

Accepted Answer

A) True 
 B)False

Question 5

Young seedlings rarely show mineral deficiency symptoms because their mineral requirements are met largely by minerals released from stored reserves in the seed itself.

Accepted Answer

A) True 
 B)False

Exam 37: Soil and Plant Nutrition

Figure 37.1 shows the results of a study to determine the effect of soil air spaces on plant growth. Figure 37.1 -The data in Figure 37.1 indicate that that the plant

All of the following contributed to the dust bowl in the American southwest during the 1930s except

The specific relationship between a legume and its mutualistic Rhizobium strain probably depends on

Plants acquire most of their nitrogen in the form of N2 that they obtain from rhizobacteria.

Young seedlings rarely show mineral deficiency symptoms because their mineral requirements are met largely by minerals released from stored reserves in the seed itself.

Introduction: Themes in the Study of Life

The Chemical Context of Life

Water and the Fitness of the Environment

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

From Gene to Protein

Control of Gene Expression

Viruses

Biotechnology

Genomes and Their Evolution

Descent With Modification: a Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonized Land

Plant Diversity Ii: the Evolution of Seed Plants

Fungi

An Introduction to Animal Diversity

Invertebrates

Vertebrates

Plant Structure, Growth, and Development

Transport in Vascular Plants

Angiosperm Reproduction and Biotechnology

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Reproduction

Animal Development

Neurons, Synapses, and Signaling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behavior

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems

Conservation Biology and Restoration Ecology

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