Question 1

The process of photosynthesis involves the conversion of:

Accepted Answer

A)  oxygen and water into sugar. 
B)  sugar into starches and cellulose. 
C)  oxygen and sugar into water. 
D)  carbon dioxide and water into sugar. 
E)  sugar and water into lipids. 
A)  oxygen and water into sugar. 
B)  sugar into starches and cellulose. 
C)  oxygen and sugar into water. 
D)  carbon dioxide and water into sugar. 
E)  sugar and water into lipids.

Question 2

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 3

The stomatal opening and closing are under the control of __________.

Accepted Answer

A)  ethylene 
B)  cytokinins 
C)  auxins 
D)  abscisic acid 
E)  gibberellins 
A)  ethylene 
B)  cytokinins 
C)  auxins 
D)  abscisic acid 
E)  gibberellins

Question 4

Identify and describe:
A.
three different ways in which leaves can be arranged on stems, and list one example for each.
B.
three different venation patterns in leaves and whether each is characteristic of eudicots or monocots.

Accepted Answer

A.1) alternate arrangement: one leaf per

Question 5

Identify three different types of modified leaves and list the function of each.

Accepted Answer

spines: deter herbivores
tendr

Question 6

Guttation is the process most responsible for moving water and minerals through the plant.
____________________

Accepted Answer

A) True 
 B)False

Question 7

MATCHING
Indicate whether each of the following characteristics is generally found in monocots or in eudicots.
a.monocots
b.eudicots
-mesophyll usually differentiated into palisade and spongy layers

Accepted Answer

The answer of MATCHING
Indicate whether each of the following characteristics...

Question 8

Leaflike outgrowths at the base of the leaf stalk are referred to as:

Accepted Answer

A)  axils. 
B)  blades. 
C)  lamina. 
D)  petioles. 
E)  stipules. 
A)  axils. 
B)  blades. 
C)  lamina. 
D)  petioles. 
E)  stipules.

Question 9

The bundle sheath typically surrounds the larger veins.
____________________

Accepted Answer

A) True 
 B)False

Question 10

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 11

Which of the following statements concerning trichomes is FALSE?

Accepted Answer

A)  They reduce water loss from leaf surface. 
B)  They deter herbivores. 
C)  They excrete excess salts absorbed from salty soil. 
D)  They are hairlike structures on the epidermis. 
E)  They facilitate gas exchange. 
A)  They reduce water loss from leaf surface. 
B)  They deter herbivores. 
C)  They excrete excess salts absorbed from salty soil. 
D)  They are hairlike structures on the epidermis. 
E)  They facilitate gas exchange.

Question 12

Leaf abscission is initiated and orchestrated by the hormone abscisic acid.
____________________

Accepted Answer

A) True 
 B)False

Question 13

Stomata are:

Accepted Answer

A)  waxy layers that cover leaves. 
B)  openings in the leaf epidermis. 
C)  extensions of bundle sheaths. 
D)  particularly numerous on the upper epidermis. 
E)  guarded by two stipule cells. 
A)  waxy layers that cover leaves. 
B)  openings in the leaf epidermis. 
C)  extensions of bundle sheaths. 
D)  particularly numerous on the upper epidermis. 
E)  guarded by two stipule cells.

Question 14

Before a stoma opens:

Accepted Answer

A)  the level of carbon dioxide inside the leaf increases. 
B)  potassium ions are actively transported out of guard cells. 
C)  potassium ions are actively transported into guard cells. 
D)  the turgor pressure inside the guard cells decreases. 
E)  water moves by osmosis out of the guard cells. 
A)  the level of carbon dioxide inside the leaf increases. 
B)  potassium ions are actively transported out of guard cells. 
C)  potassium ions are actively transported into guard cells. 
D)  the turgor pressure inside the guard cells decreases. 
E)  water moves by osmosis out of the guard cells.

Question 15

__________ colored light triggers stomatal opening.

Accepted Answer

A)  Red 
B)  Blue 
C)  Orange 
D)  Green 
E)  Yellow 
A)  Red 
B)  Blue 
C)  Orange 
D)  Green 
E)  Yellow

Question 16

Which structure or structures function to open and close the stomata?

Accepted Answer

A)  cuticle 
B)  mesophyll 
C)  palisade cells 
D)  guard cells 
E)  chloroplasts 
A)  cuticle 
B)  mesophyll 
C)  palisade cells 
D)  guard cells 
E)  chloroplasts

Exam 34: Leaf Structure and Function

The process of photosynthesis involves the conversion of:

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

The stomatal opening and closing are under the control of __________.

Identify and describe: A. three different ways in which leaves can be arranged on stems, and list one example for each. B. three different venation patterns in leaves and whether each is characteristic of eudicots or monocots.

Identify three different types of modified leaves and list the function of each.

Guttation is the process most responsible for moving water and minerals through the plant. ____________________

MATCHING Indicate whether each of the following characteristics is generally found in monocots or in eudicots. a.monocots b.eudicots -mesophyll usually differentiated into palisade and spongy layers

Leaflike outgrowths at the base of the leaf stalk are referred to as:

The bundle sheath typically surrounds the larger veins. ____________________

Monocot leaves typically have:

Which of the following statements concerning trichomes is FALSE?

Leaf abscission is initiated and orchestrated by the hormone abscisic acid. ____________________

Stomata are:

Before a stoma opens:

__________ colored light triggers stomatal opening.

Which structure or structures function to open and close the stomata?

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

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