Question 1

What is a soil with roughly equal amounts of humus, silt, clay, and sand called?

Accepted Answer

A) a topsoil 
B) a loam 
C) a subsoil 
D) a compost 
A) a topsoil 
B) a loam 
C) a subsoil 
D) a compost B

Question 2

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

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 C

Question 3

In which form(s) can plants generally absorb nitrogen and make use of it?

Accepted Answer

A) NO3− only 
B) both NO3− and NH4+ 
C) NH4+ only 
D) N2 only 
A) NO3− only 
B) both NO3− and NH4+ 
C) NH4+ only 
D) N2 only B

Question 4

What will a mutant soybean plant that is unable to produce leghemoglobin most likely suffer from?

Accepted Answer

A) deficiency in magnesium 
B) deficiency in potassium 
C) deficiency in oxygen 
D) deficiency in nitrogen 
A) deficiency in magnesium 
B) deficiency in potassium 
C) deficiency in oxygen 
D) deficiency in nitrogen

Question 5

Which of the following best described the surfaces of clay particles in soil?

Accepted Answer

A) They often bear positively charged ions. 
B) They release water to plants easily. 
C) They often bear negatively charged ions. 
D) They are generally hydrophobic. 
A) They often bear positively charged ions. 
B) They release water to plants easily. 
C) They often bear negatively charged ions. 
D) They are generally hydrophobic.

Question 6

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

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 7

Which of the following elements is considered an essential macronutrient for plants?

Accepted Answer

A) manganese 
B) nickel 
C) nitrogen 
D) copper 
A) manganese 
B) nickel 
C) nitrogen 
D) copper

Question 8

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 9

Which of the following elements is considered an essential micronutrient for plants?

Accepted Answer

A) phosphorus 
B) silver 
C) molybdenum 
D) carbon 
A) phosphorus 
B) silver 
C) molybdenum 
D) carbon

Question 10

What is leghemoglobin, which contains an iron-containing heme group, used for?

Accepted Answer

A) to remove O2 from roots 
B) to produce H2O from O2 
C) to deliver O2 to bacteroids 
D) to transport O2 in the xylem 
A) to remove O2 from roots 
B) to produce H2O from O2 
C) to deliver O2 to bacteroids 
D) to transport O2 in the xylem

Question 11

Which of the following statements does NOT describe an essential element?

Accepted Answer

A) An element with only one role in plant metabolism may still be essential. 
B) An essential element is necessary for normal growth and reproduction. 
C) Plant seeds in some cases contain enough of an essential element to sustain the adult plant. 
D) An essential element may occasionally be functionally replaced by another element. 
A) An element with only one role in plant metabolism may still be essential. 
B) An essential element is necessary for normal growth and reproduction. 
C) Plant seeds in some cases contain enough of an essential element to sustain the adult plant. 
D) An essential element may occasionally be functionally replaced by another element.

Question 12

What are animals trapped and digested by "carnivorous" plants such as the cobra lily used as?

Accepted Answer

A) primarily as an energy supplement during winter months 
B) primarily as a carbon source for the plant 
C) primarily as a nutrient supplement in nutrient-deficient environments 
D) primarily as food for bacteria and fungi that grow symbiotically with the plant roots 
A) primarily as an energy supplement during winter months 
B) primarily as a carbon source for the plant 
C) primarily as a nutrient supplement in nutrient-deficient environments 
D) primarily as food for bacteria and fungi that grow symbiotically with the plant roots

Question 13

Which of the following does NOT improve a plant's access to particular nutrients?

Accepted Answer

A) releasing amino acids into the soil 
B) releasing carbohydrates into the soil 
C) releasing enzymes into the soil 
D) releasing carbon dioxide into the soil 
A) releasing amino acids into the soil 
B) releasing carbohydrates into the soil 
C) releasing enzymes into the soil 
D) releasing carbon dioxide into the soil

Question 14

Why are hydroponics used in mineral nutrition experiments examining essential elements?

Accepted Answer

Soil is a mix of complex mineral particl

Question 15

Dodders develop haustorial leaves that penetrate deep into the host plant and tap into its vascular tissues.

Accepted Answer

A) True 
 B)False

Question 16

Roots obtain cations through cation exchange. Which of the following do roots use to exchange for other cations from the soil?

Accepted Answer

A) Cl− 
B) K+ 
C) H+ 
D) H2O 
A) Cl− 
B) K+ 
C) H+ 
D) H2O

Question 17

Which of the following elements is not considered an essential micronutrient for plants in general, but is required by horsetails and perhaps some grasses such as wheat?

Accepted Answer

A) gold 
B) boron 
C) silicon 
D) zinc 
A) gold 
B) boron 
C) silicon 
D) zinc

Question 18

What are soil mineral particles that range from 2.0−0.02 mm in diameter called?

Accepted Answer

A) sand 
B) humus 
C) clay 
D) silt 
A) sand 
B) humus 
C) clay 
D) silt

Question 19

What are bacteroids?

Accepted Answer

A) specialized nitrifying bacteria 
B) small buds from ammonifying bacteria 
C) specialized bacteria that help some plant roots absorb phosphorus 
D) enlarged and immobilized nitrogen-fixing bacteria 
A) specialized nitrifying bacteria 
B) small buds from ammonifying bacteria 
C) specialized bacteria that help some plant roots absorb phosphorus 
D) enlarged and immobilized nitrogen-fixing bacteria

Question 20

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.

Exam 37: Plant Nutrition

What is a soil with roughly equal amounts of humus, silt, clay, and sand called?

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

In which form(s) can plants generally absorb nitrogen and make use of it?

What will a mutant soybean plant that is unable to produce leghemoglobin most likely suffer from?

Which of the following best described the surfaces of clay particles in soil?

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

Which of the following elements is considered an essential macronutrient for plants?

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

Which of the following elements is considered an essential micronutrient for plants?

What is leghemoglobin, which contains an iron-containing heme group, used for?

Which of the following statements does NOT describe an essential element?

What are animals trapped and digested by "carnivorous" plants such as the cobra lily used as?

Which of the following does NOT improve a plant's access to particular nutrients?

Why are hydroponics used in mineral nutrition experiments examining essential elements?

Dodders develop haustorial leaves that penetrate deep into the host plant and tap into its vascular tissues.

Roots obtain cations through cation exchange. Which of the following do roots use to exchange for other cations from the soil?

Which of the following elements is not considered an essential micronutrient for plants in general, but is required by horsetails and perhaps some grasses such as wheat?

What are soil mineral particles that range from 2.0−0.02 mm in diameter called?

What are bacteroids?

What kind of plants are epiphytes?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

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

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

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