Question 1

Increases in plant length (such as overall height or branch and root length) result from cell division that occurs

Accepted Answer

A)  only in apical meristems at shoot and root tips. 
B)  only from lateral meristems. 
C)  equally throughout the plant body. 
D)  from cell division of differentiated cells. 
A)  only in apical meristems at shoot and root tips. 
B)  only from lateral meristems. 
C)  equally throughout the plant body. 
D)  from cell division of differentiated cells. A

Question 2

You discovered an unidentified weed and cut it almost to the ground with the lawn mower. Soon it grows as tall as it was before you cut it. This growth is likely due to which growth region?

Accepted Answer

A)  Root apical meristem 
B)  Shoot apical meristem 
C)  Lateral bud meristem 
D)  Cork cambium 
E)  Vascular cambium 
A)  Root apical meristem 
B)  Shoot apical meristem 
C)  Lateral bud meristem 
D)  Cork cambium 
E)  Vascular cambium C

Question 3

The mechanism explains the movement of water and minerals through xylem.

Accepted Answer

A)  bulk- flow 
B)  assisted diffusion 
C)  translocation 
D)  cohesion- tension 
E)  pressure- flow 
A)  bulk- flow 
B)  assisted diffusion 
C)  translocation 
D)  cohesion- tension 
E)  pressure- flow D

Question 4

Trees are among the largest and oldest living things on Earth. Like all life on Earth, the majority of a tree's biomass is carbon based. What is the source of this carbon?

Accepted Answer

A)  Crushed rock and water 
B)  Air 
C)  Fertilizers 
D)  Water 
E)  The organic layer of the soil 
A)  Crushed rock and water 
B)  Air 
C)  Fertilizers 
D)  Water 
E)  The organic layer of the soil

Question 5

Which of these plant cells is alive but has no nucleus?

Accepted Answer

A)  Sieve- tube element 
B)  Companion cell 
C)  Parenchyma cell 
D)  Vessel element 
E)  Collenchyma cell 
A)  Sieve- tube element 
B)  Companion cell 
C)  Parenchyma cell 
D)  Vessel element 
E)  Collenchyma cell

Question 6

Which essential plant nutrient regulates the opening and closing of pores in the leaves?

Accepted Answer

A)  Potassium 
B)  Iron 
C)  Phosphorus 
D)  Copper 
E)  Calcium 
A)  Potassium 
B)  Iron 
C)  Phosphorus 
D)  Copper 
E)  Calcium

Question 7

On a stem, branches grow and develop from _ , whereas on the roots, branches grow and develop from the .

Accepted Answer

lateral bu

Question 8

A plant, by opening and closing its stomata, must achieve a balance between

Accepted Answer

A)  carbon dioxide loss and sugar uptake. 
B)  sugar loss and oxygen uptake. 
C)  water loss and carbon dioxide uptake. 
D)  oxygen loss and water uptake. 
E)  carbon dioxide uptake and oxygen loss. 
A)  carbon dioxide loss and sugar uptake. 
B)  sugar loss and oxygen uptake. 
C)  water loss and carbon dioxide uptake. 
D)  oxygen loss and water uptake. 
E)  carbon dioxide uptake and oxygen loss.

Question 9

Based on the figure, estimate the age of this tree in years.

Accepted Answer

A)  8 to 10 
B)  over 35 
C)  13 to 15 
D)  20 to 25 
E)  3 to 5 
A)  8 to 10 
B)  over 35 
C)  13 to 15 
D)  20 to 25 
E)  3 to 5

Question 10

The most widely accepted explanation for the transport of sugar- containing fluids in phloem is the mechanism.

Accepted Answer

A)  transpiration 
B)  cohesion- tension 
C)  root pressure 
D)  bulk flow 
E)  pressure- flow 
A)  transpiration 
B)  cohesion- tension 
C)  root pressure 
D)  bulk flow 
E)  pressure- flow

Question 11

Plant cells that are actively dividing are _ cells.

Accepted Answer

A)  vascular 
B)  differentiated 
C)  meristem 
D)  ground 
E)  conducting 
A)  vascular 
B)  differentiated 
C)  meristem 
D)  ground 
E)  conducting

Question 12

Mycorrhizae are

Accepted Answer

A)  parasitic relationships between bacteria and the roots of a land plant. 
B)  symbiotic relationships between bacteria and the roots of a land plant. 
C)  commensal relationships between a fungus and the leaves of a land plant. 
D)  symbiotic relationships between a fungus and the roots of a land plant. 
E)  mutualistic relationships between a fungus and an alga. 
A)  parasitic relationships between bacteria and the roots of a land plant. 
B)  symbiotic relationships between bacteria and the roots of a land plant. 
C)  commensal relationships between a fungus and the leaves of a land plant. 
D)  symbiotic relationships between a fungus and the roots of a land plant. 
E)  mutualistic relationships between a fungus and an alga.

Question 13

The dermal tissue system consists of

Accepted Answer

A)  parenchyma tissue. 
B)  phloem. 
C)  collenchyma tissue. 
D)  epidermis. 
E)  xylem. 
A)  parenchyma tissue. 
B)  phloem. 
C)  collenchyma tissue. 
D)  epidermis. 
E)  xylem.

Question 14

Where are apical meristems located?

Accepted Answer

A)  Scattered throughout the plant 
B)  At the tips of roots, shoots, and branches 
C)  In cylinders along the side of the root 
D)  Between the xylem and the phloem 
E)  In clusters in the parenchyma 
A)  Scattered throughout the plant 
B)  At the tips of roots, shoots, and branches 
C)  In cylinders along the side of the root 
D)  Between the xylem and the phloem 
E)  In clusters in the parenchyma

Question 15

In the stems of plants, where is sugar converted to starch and stored as a food reserve?

Accepted Answer

A)  Parenchyma cells in both the cortex and pith 
B)  Sclerenchyma 
C)  Central vascular cylinder 
D)  Collenchyma associated with xylem cells 
E)  Mesophyll layer 
A)  Parenchyma cells in both the cortex and pith 
B)  Sclerenchyma 
C)  Central vascular cylinder 
D)  Collenchyma associated with xylem cells 
E)  Mesophyll layer

Question 16

Ground tissue is found in the primary plant only, never in the secondary plant.

Accepted Answer

A) True 
 B)False

Question 17

Water flows upward in some xylem tubes and downward in others.

Accepted Answer

A) True 
 B)False

Question 18

Most conifers have only tracheids. Which structural feature allows water and minerals to pass from one tracheid to the next?

Accepted Answer

A)  Plasmodesmata 
B)  Pits 
C)  Sieve plates 
D)  Stomata 
E)  Secondary cell walls 
A)  Plasmodesmata 
B)  Pits 
C)  Sieve plates 
D)  Stomata 
E)  Secondary cell walls

Question 19

Most of the interior of a leaf consists of soft, thin- walled, living cells.

Accepted Answer

A)  guard 
B)  parenchyma 
C)  collenchyma 
D)  epidermal 
E)  sclerenchyma 
A)  guard 
B)  parenchyma 
C)  collenchyma 
D)  epidermal 
E)  sclerenchyma

Question 20

When potassium ions are transported into guard cells, water

Accepted Answer

A)  is actively transported into the guard cells. 
B)  leaves the guard cells by osmosis. 
C)  is actively transported out of the guard cells. 
D)  moves to the edge of the guard cell. 
E)  enters the guard cells by osmosis. 
A)  is actively transported into the guard cells. 
B)  leaves the guard cells by osmosis. 
C)  is actively transported out of the guard cells. 
D)  moves to the edge of the guard cell. 
E)  enters the guard cells by osmosis.

Exam 44: Plant Anatomy and Nutrient Transport

Increases in plant length (such as overall height or branch and root length) result from cell division that occurs

You discovered an unidentified weed and cut it almost to the ground with the lawn mower. Soon it grows as tall as it was before you cut it. This growth is likely due to which growth region?

The mechanism explains the movement of water and minerals through xylem.

Trees are among the largest and oldest living things on Earth. Like all life on Earth, the majority of a tree's biomass is carbon based. What is the source of this carbon?

Which of these plant cells is alive but has no nucleus?

Which essential plant nutrient regulates the opening and closing of pores in the leaves?

On a stem, branches grow and develop from _ , whereas on the roots, branches grow and develop from the .

A plant, by opening and closing its stomata, must achieve a balance between

Based on the figure, estimate the age of this tree in years.

The most widely accepted explanation for the transport of sugar- containing fluids in phloem is the mechanism.

Plant cells that are actively dividing are _ cells.

Mycorrhizae are

The dermal tissue system consists of

Where are apical meristems located?

In the stems of plants, where is sugar converted to starch and stored as a food reserve?

Ground tissue is found in the primary plant only, never in the secondary plant.

Water flows upward in some xylem tubes and downward in others.

Most conifers have only tracheids. Which structural feature allows water and minerals to pass from one tracheid to the next?

Most of the interior of a leaf consists of soft, thin- walled, living cells.

When potassium ions are transported into guard cells, water

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity II: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Reproduction and Development

Plant Responses to the Environment

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