Question 1

Monocot leaves typically have:

Accepted Answer

A)  alternately palmate venation. 
B)  netted venation. 
C)  parallel venation. 
D)  alternately pinnate venation. 
E)  no venation. 
A)  alternately palmate venation. 
B)  netted venation. 
C)  parallel venation. 
D)  alternately pinnate venation. 
E)  no venation.

Question 2

Palisade mesophyll is a tissue typically found on the side of the leaf toward the upper epidermis.

Accepted Answer

A) True 
 B)False

Question 3

The needles of pines and other conifers are adapted to:

Accepted Answer

A)  conserve water. 
B)  defend against herbivores. 
C)  reduce the effects of intense sunlight. 
D)  reduce the effects of snow and ice. 
E)  reduce the effects of wind. 
A)  conserve water. 
B)  defend against herbivores. 
C)  reduce the effects of intense sunlight. 
D)  reduce the effects of snow and ice. 
E)  reduce the effects of wind.

Question 4

Excess transpiration:

Accepted Answer

A)  may be harmful to a plant. 
B)  causes an increase in turgor pressure. 
C)  is a synonym for precipitation. 
D)  occurs mainly in the winter. 
E)  is automatically counteracted by absorbing water from the soil. 
A)  may be harmful to a plant. 
B)  causes an increase in turgor pressure. 
C)  is a synonym for precipitation. 
D)  occurs mainly in the winter. 
E)  is automatically counteracted by absorbing water from the soil.

Question 5

Guttation typically occurs:

Accepted Answer

A)  at noon. 
B)  at dawn. 
C)  at dusk. 
D)  at night. 
E)  when the sun is at its peak. 
A)  at noon. 
B)  at dawn. 
C)  at dusk. 
D)  at night. 
E)  when the sun is at its peak.

Question 6

Leaf abscission:

Accepted Answer

A)  occurs as a response to increased temperatures in temperate climates. 
B)  occurs as a response to dry conditions in tropical climates. 
C)  involves the formation of a tendril at the base of the petiole. 
D)  occurs year-round on deciduous plants. 
E)  does not occur in conifers. 
A)  occurs as a response to increased temperatures in temperate climates. 
B)  occurs as a response to dry conditions in tropical climates. 
C)  involves the formation of a tendril at the base of the petiole. 
D)  occurs year-round on deciduous plants. 
E)  does not occur in conifers.

Question 7

Match between columns
                        Premises: deter herbivores
protect the apical meristem
store water or food
keep a vine attached to the structure on which it is growing
associated with inflorescences

Accepted Answer

The Answer of bud scales and bulbs and tendrils and is...

Question 8

Stomata close as a result of water moving into guard cells.

Accepted Answer

A) True 
 B)False

Question 9

Trichomes on plants are responsible for:

Accepted Answer

A)  preventing water absorption on leaf surfaces. 
B)  deterring herbivores. 
C)  absorbing salts absorbed from the air. 
D)  the waxy structures on the petiole. 
E)  facilitating gas exchange. 
A)  preventing water absorption on leaf surfaces. 
B)  deterring herbivores. 
C)  absorbing salts absorbed from the air. 
D)  the waxy structures on the petiole. 
E)  facilitating gas exchange.

Question 10

Compound leaves have:

Accepted Answer

A)  parallel veins instead of netted veins. 
B)  alternate leaf attachment instead of opposite leaf attachment. 
C)  palmately netted leaves instead of pinnately netted leaves. 
D)  two or more leaflets instead of a single blade. 
E)  many leaves per plant instead of a single leaf per plant. 
A)  parallel veins instead of netted veins. 
B)  alternate leaf attachment instead of opposite leaf attachment. 
C)  palmately netted leaves instead of pinnately netted leaves. 
D)  two or more leaflets instead of a single blade. 
E)  many leaves per plant instead of a single leaf per plant.

Question 11

A leaf without a(n) blade is said to be sessile.

Accepted Answer

A) True 
 B)False

Question 12

Vines use ____ to stay attached to support structures.

Accepted Answer

A)  spines 
B)  bracts 
C)  tendrils 
D)  needles 
E)  bulbs 
A)  spines 
B)  bracts 
C)  tendrils 
D)  needles 
E)  bulbs

Question 13

The cuticle consists of:

Accepted Answer

A)  cellulose. 
B)  lignin. 
C)  hemicellulose. 
D)  starch. 
E)  cutin. 
A)  cellulose. 
B)  lignin. 
C)  hemicellulose. 
D)  starch. 
E)  cutin.

Question 14

The release of liquid water by leaves when soil moisture is high is known as:

Accepted Answer

A)  vaporization. 
B)  photosynthesis. 
C)  guttation. 
D)  transpiration. 
E)  abscission. 
A)  vaporization. 
B)  photosynthesis. 
C)  guttation. 
D)  transpiration. 
E)  abscission.

Question 15

Underground stems with fleshy leaves used for storage of water and food are known as:

Accepted Answer

A)  tendrils. 
B)  spines. 
C)  bulbs. 
D)  buds. 
E)  stipules. 
A)  tendrils. 
B)  spines. 
C)  bulbs. 
D)  buds. 
E)  stipules.

Question 16

Floating leaves of aquatic plants have:

Accepted Answer

A)  stomata only on the lower epidermis. 
B)  stomata only on the upper epidermis. 
C)  stomata on both the lower and upper epidermis. 
D)  no stomata on the epidermis. 
E)  stomata only within the mesophyll. 
A)  stomata only on the lower epidermis. 
B)  stomata only on the upper epidermis. 
C)  stomata on both the lower and upper epidermis. 
D)  no stomata on the epidermis. 
E)  stomata only within the mesophyll.

Exam 34: Leaf Structure and Function

Monocot leaves typically have:

Palisade mesophyll is a tissue typically found on the side of the leaf toward the upper epidermis.

The needles of pines and other conifers are adapted to:

Excess transpiration:

Guttation typically occurs:

Leaf abscission:

Stomata close as a result of water moving into guard cells.

Trichomes on plants are responsible for:

Compound leaves have:

A leaf without a(n) blade is said to be sessile.

Vines use ____ to stay attached to support structures.

The cuticle consists of:

The release of liquid water by leaves when soil moisture is high is known as:

Underground stems with fleshy leaves used for storage of water and food are known as:

Floating leaves of aquatic plants have:

A View of Life

Atoms and Molecules the Chemical Basis of Life

The Chemistry of Life Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp Energy-Releasing Pathways

Photosynthesis Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure Growth and Development

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function an Introduction

Protection Support and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters