Question 1

What are species of Rhizobium and Bradyrhizobium bacteria most directly associated with?

Accepted Answer

A)  nitrification 
B)  nitrogen fixation 
C)  nitrogen cycling 
D)  ammonification 
A)  nitrification 
B)  nitrogen fixation 
C)  nitrogen cycling 
D)  ammonification

Question 2

Choose the appropriate category of general plant nutritional requirement for each element given below.
-copper

Accepted Answer

A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient 
A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient

Question 3

In which process is the enzyme nitrogenase most directly involved?

Accepted Answer

A)  nitrogen fixation 
B)  ammonification 
C)  nitrogen cycling 
D)  nitrification 
A)  nitrogen fixation 
B)  ammonification 
C)  nitrogen cycling 
D)  nitrification

Question 4

Which of the following plants both parasitizes other plants and performs photosynthesis?

Accepted Answer

A)  lady-of-the-night orchid 
B)  mistletoe 
C)  cobra lily 
D)  dodder 
A)  lady-of-the-night orchid 
B)  mistletoe 
C)  cobra lily 
D)  dodder

Question 5

Imagine that you are a farmer who chose not to rotate your crops with soybeans even though the local extension agent recommended that you do so. Which deficiency symptom in your crops should indicate to you that the extension agent's advice was correct?

Accepted Answer

A)  chlorosis and mottled or bronzed leaves 
B)  chlorosis in older leaves and stunted growth 
C)  pale green, rolled, or cupped leaves 
D)  burned leaf edges and curled, mottled, or spotted older leaves 
A)  chlorosis and mottled or bronzed leaves 
B)  chlorosis in older leaves and stunted growth 
C)  pale green, rolled, or cupped leaves 
D)  burned leaf edges and curled, mottled, or spotted older leaves

Question 6

When tropical forests are cut for agriculture, they often do not produce highly productive crop growth. What is probably limiting the growth of a crop in the tropical forest?

Accepted Answer

A)  sunlight 
B)  rainfall 
C)  soil nutrients 
D)  carbon dioxide 
A)  sunlight 
B)  rainfall 
C)  soil nutrients 
D)  carbon dioxide

Question 7

Compare soils in the areas that receive heavy rainfalls with areas that are arid. What kind of soil is found in each?

Accepted Answer

A)  acidic in wet; alkaline in arid 
B)  pH-neutral in wet; acidic in arid 
C)  alkaline in wet; acidic in arid 
D)  pH-neutral in wet; alkaline in arid 
A)  acidic in wet; alkaline in arid 
B)  pH-neutral in wet; acidic in arid 
C)  alkaline in wet; acidic in arid 
D)  pH-neutral in wet; alkaline in arid

Question 8

Which soil region is the top layer of surface litter, such as twigs and leaves?

Accepted Answer

A)  A horizon 
B)  B horizon 
C)  C horizon 
D)  O horizon 
A)  A horizon 
B)  B horizon 
C)  C horizon 
D)  O horizon

Question 9

Which of the following do mycorrhizae, present for most plant species, generally NOT help roots with the uptake of?

Accepted Answer

A)  carbon 
B)  nitrogen 
C)  phosphate 
D)  water 
A)  carbon 
B)  nitrogen 
C)  phosphate 
D)  water

Question 10

Choose the appropriate category of general plant nutritional requirement for each element given below.
-lithium

Accepted Answer

A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient 
A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient

Question 11

You might infer from packages of commercial fertilizer that three of the following nutrients are most limiting to plant growth. What are those three?

Accepted Answer

A)  carbon, nitrogen, and phosphorus 
B)  nitrogen, phosphorus, and potassium 
C)  hydrogen, phosphorus, and magnesium 
D)  iron, magnesium, and nitrogen 
A)  carbon, nitrogen, and phosphorus 
B)  nitrogen, phosphorus, and potassium 
C)  hydrogen, phosphorus, and magnesium 
D)  iron, magnesium, and nitrogen

Question 12

Choose the appropriate category of general plant nutritional requirement for each element given below.
-oxygen

Accepted Answer

A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient 
A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient

Question 13

Choose the appropriate category of general plant nutritional requirement for each element given below.
-calcium

Accepted Answer

A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient 
A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient

Question 14

Choose the appropriate category of general plant nutritional requirement for each element given below.
-arsenic

Accepted Answer

A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient 
A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient

Question 15

Choose the appropriate category of general plant nutritional requirement for each element given below.
-silver

Accepted Answer

A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient 
A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient

Question 16

Choose the appropriate category of general plant nutritional requirement for each element given below.
-hydrogen

Accepted Answer

A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient 
A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient

Question 17

What kind of plants are epiphytes?

Accepted Answer

A)  Plants that are not parasites but that do grow on other plants instead of the soil. 
B)  Plants that trap animals and digest them. 
C)  Plants that deal with nutrient-deficient soil by growing a large, netlike mesh of roots through several layers of the soil. 
D)  Parasitic plants that use haustoria roots to obtain nutrients and food directly from other plants. 
A)  Plants that are not parasites but that do grow on other plants instead of the soil. 
B)  Plants that trap animals and digest them. 
C)  Plants that deal with nutrient-deficient soil by growing a large, netlike mesh of roots through several layers of the soil. 
D)  Parasitic plants that use haustoria roots to obtain nutrients and food directly from other plants.

Question 18

What are mycorrhizae?

Accepted Answer

A)  connecting points between branching roots 
B)  symbiotic associations between a fungus and plant roots 
C)  specialized root hairs 
D)  localized swellings in plant roots filled with nitrogen-fixing bacteria 
A)  connecting points between branching roots 
B)  symbiotic associations between a fungus and plant roots 
C)  specialized root hairs 
D)  localized swellings in plant roots filled with nitrogen-fixing bacteria

Question 19

Choose the appropriate category of general plant nutritional requirement for each element given below.
-manganese

Accepted Answer

A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient 
A) nonmineral macronutrient 
B) mineral macronutrient 
C) micronutrient 
D) not generally considered an essential nutrient

Question 20

Which of the following disease symptoms would you expect to see in legumes grown in soil deficient of iron?

Accepted Answer

A)  purplish veins and a lack of chlorophyll 
B)  chlorosis of plant tissues and mottled leaves 
C)  chlorosis of plant tissues and a lack of chlorophyll 
D)  purplish veins and mottled leaves 
A)  purplish veins and a lack of chlorophyll 
B)  chlorosis of plant tissues and mottled leaves 
C)  chlorosis of plant tissues and a lack of chlorophyll 
D)  purplish veins and mottled leaves

Exam 36: Plant Nutrition

What are species of Rhizobium and Bradyrhizobium bacteria most directly associated with?

Choose the appropriate category of general plant nutritional requirement for each element given below. -copper

In which process is the enzyme nitrogenase most directly involved?

Which of the following plants both parasitizes other plants and performs photosynthesis?

Imagine that you are a farmer who chose not to rotate your crops with soybeans even though the local extension agent recommended that you do so. Which deficiency symptom in your crops should indicate to you that the extension agent's advice was correct?

When tropical forests are cut for agriculture, they often do not produce highly productive crop growth. What is probably limiting the growth of a crop in the tropical forest?

Compare soils in the areas that receive heavy rainfalls with areas that are arid. What kind of soil is found in each?

Which soil region is the top layer of surface litter, such as twigs and leaves?

Which of the following do mycorrhizae, present for most plant species, generally NOT help roots with the uptake of?

Choose the appropriate category of general plant nutritional requirement for each element given below. -lithium

You might infer from packages of commercial fertilizer that three of the following nutrients are most limiting to plant growth. What are those three?

Choose the appropriate category of general plant nutritional requirement for each element given below. -oxygen

Choose the appropriate category of general plant nutritional requirement for each element given below. -calcium

Choose the appropriate category of general plant nutritional requirement for each element given below. -arsenic

Choose the appropriate category of general plant nutritional requirement for each element given below. -silver

Choose the appropriate category of general plant nutritional requirement for each element given below. -hydrogen

What kind of plants are epiphytes?

What are mycorrhizae?

Choose the appropriate category of general plant nutritional requirement for each element given below. -manganese

Which of the following disease symptoms would you expect to see in legumes grown in soil deficient of iron?

Light and Life

The Cell: an Overview

Energy and Enzymes

Cell Membranes and Signaling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

The Chromosomal Basis of Mendelian Inheritance

Genetic Linkage, Sex-Linkage, and Other Non-Mendelian Inheritance Mechanisms

DNA Structure, Replication, and Repair

Gene Structure Expression, and Mutation

Regulation of Gene Expression

Dna Technologies

Genomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Speciation and Macroevolution

Systematics and Phylogenetics: Revealing the Tree of Life

Humans and Evolution

Defining Life and Its Origins

Viruses, Viroids, and Prions: Infectious Biological Particles

Bacteria and Archaea

Protists

Fungi

Plants

Animals

Conservation of Biodiversity

Population Ecology

Species Interactions and Community Ecology

Ecosystems

Animal Behaviour

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Animal Nutrition

Gas Exchange: the Respiratory System

Internal Transport: the Circulatory System

Regulation of the Internal Environment: Water, Solutes, and Temperature

Control of Animal Processes: Endocrine Control

Animal Reproduction

Control of Animal Processes: Neural Control

Muscles, Skeletons, and Body Movements

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