Question 1

The point at which one or more leaves attach to the stem of a plant is a(n)

Accepted Answer

A)  petiole. 
B)  internode. 
C)  anther. 
D)  sieve tube. 
E)  node. 
A)  petiole. 
B)  internode. 
C)  anther. 
D)  sieve tube. 
E)  node.

Question 2

You are given a sample of stem tissue to analyze and told that it comes from a plant growing actively in the summer.Chemical analysis shows that it contains abundant sucrose.You would guess that the tissue was xylem.

Accepted Answer

A) True 
 B)False

Question 3

The concentration of solutes in most soil is lower than the concentration of solutes in root cells,so water enters the roots by

Accepted Answer

A)  hydrostatic pressure. 
B)  cohesion. 
C)  adhesion. 
D)  hydrolysis. 
E)  osmosis. 
A)  hydrostatic pressure. 
B)  cohesion. 
C)  adhesion. 
D)  hydrolysis. 
E)  osmosis.

Question 4

If you want to make maple syrup,you have to extract sugary syrup from a stem tissue,so you would tap the ________ tissue.

Accepted Answer

A)  phloem 
B)  guard cells 
C)  xylem 
D)  epidermis 
E)  stomata 
A)  phloem 
B)  guard cells 
C)  xylem 
D)  epidermis 
E)  stomata

Question 5

The source of a plant's new cells is a type of plant tissue called its

Accepted Answer

A)  tracheid. 
B)  meristem. 
C)  guard cell. 
D)  cortex. 
E)  mesophyll. 
A)  tracheid. 
B)  meristem. 
C)  guard cell. 
D)  cortex. 
E)  mesophyll.

Question 6

A potato stores a lot of starch.Which tissue would you expect to be most abundant in a potato?

Accepted Answer

A)  dermal tissue 
B)  vascular tissue 
C)  ground tissue 
D)  equal amounts of ground and dermal tissue 
E)  equal amounts of dermal and vascular tissue 
A)  dermal tissue 
B)  vascular tissue 
C)  ground tissue 
D)  equal amounts of ground and dermal tissue 
E)  equal amounts of dermal and vascular tissue

Question 7

You drive a nail into a tree that is 10 feet tall,and come back 10 years later.The tree is now 30 feet tall,but the nail is the same distance from the ground.This is because the tree grows up from

Accepted Answer

A)  the apical meristem only. 
B)  the lateral meristem only. 
C)  both the lateral and apical meristems. 
D)  the soil line. 
E)  the node. 
A)  the apical meristem only. 
B)  the lateral meristem only. 
C)  both the lateral and apical meristems. 
D)  the soil line. 
E)  the node.

Question 8

Which two seasons would contribute to tree rings in a deciduous tree found in the north?

Accepted Answer

A)  spring and summer 
B)  spring and fall 
C)  winter and spring 
D)  winter and summer 
E)  summer and fall 
A)  spring and summer 
B)  spring and fall 
C)  winter and spring 
D)  winter and summer 
E)  summer and fall

Question 9

"P" is the chemical symbol for

Accepted Answer

A)  nickel. 
B)  potassium. 
C)  plutonium. 
D)  phosphorus. 
E)  copper. 
A)  nickel. 
B)  potassium. 
C)  plutonium. 
D)  phosphorus. 
E)  copper.

Question 10

If water were being pushed from below,air bubbles in the xylem stream would not pose a problem.However,the observation that air bubbles can interrupt xylem function provides important evidence supporting the ________ theory of water movement.

Accepted Answer

A)  gravity-suction 
B)  active transport 
C)  pressure-flow 
D)  osmotic 
E)  cohesion-tension 
A)  gravity-suction 
B)  active transport 
C)  pressure-flow 
D)  osmotic 
E)  cohesion-tension

Question 11

Which will not increase the rate of transpiration in a plant?

Accepted Answer

A)  high humidity 
B)  low humidity 
C)  high wind speeds 
D)  high temperature 
E)  All answers are correct. 
A)  high humidity 
B)  low humidity 
C)  high wind speeds 
D)  high temperature 
E)  All answers are correct.

Question 12

Stems that grow underground and produce roots and new shoots are

Accepted Answer

A)  rhizomes. 
B)  always parasitic. 
C)  stomata. 
D)  tubers. 
E)  tendrils. 
A)  rhizomes. 
B)  always parasitic. 
C)  stomata. 
D)  tubers. 
E)  tendrils.

Question 13

The pores through which leaves exchange gases with the atmosphere are

Accepted Answer

A)  epidermal cells. 
B)  sieve tube elements. 
C)  guard cells. 
D)  petioles. 
E)  stomata. 
A)  epidermal cells. 
B)  sieve tube elements. 
C)  guard cells. 
D)  petioles. 
E)  stomata.

Question 14

Monocots have taproots while eudicots have fibrous roots.

Accepted Answer

A) True 
 B)False

Question 15

In the pressure flow theory,any part of a plant that does not carry out photosynthesis is a

Accepted Answer

A)  source. 
B)  sink. 
C)  reservoir. 
D)  aqueduct. 
E)  companion cell. 
A)  source. 
B)  sink. 
C)  reservoir. 
D)  aqueduct. 
E)  companion cell.

Question 16

If asked how nitrogen becomes available to plants,you would point downward,since nitrogen enters plants through their

Accepted Answer

A)  stomata. 
B)  leaves. 
C)  roots. 
D)  roots and leaves. 
E)  stomata and leaves. 
A)  stomata. 
B)  leaves. 
C)  roots. 
D)  roots and leaves. 
E)  stomata and leaves.

Question 17

The tissue that produces cells to thicken a root or stem is the

Accepted Answer

A)  apical meristem. 
B)  epidermis. 
C)  cortex. 
D)  lateral meristem. 
E)  None of the answer choices are correct. 
A)  apical meristem. 
B)  epidermis. 
C)  cortex. 
D)  lateral meristem. 
E)  None of the answer choices are correct.

Question 18

One way to kill a tree is to girdle it by cutting a groove a centimeter into the bark all around the trunk of the tree.The tree will typically survive that growing season,but will die over the winter.Which is the best explanation for this observation?

Accepted Answer

A)  The phloem was cut, so water and nutrients cannot be taken up to the leaves. 
B)  The xylem was cut, so sugars cannot be transported to the roots. 
C)  The xylem was cut, so water and nutrients cannot be taken up to the leaves. 
D)  Cutting the bark allows access to pathogens that kill the tree. 
E)  The phloem was cut, so sugars cannot be transported to the roots. 
A)  The phloem was cut, so water and nutrients cannot be taken up to the leaves. 
B)  The xylem was cut, so sugars cannot be transported to the roots. 
C)  The xylem was cut, so water and nutrients cannot be taken up to the leaves. 
D)  Cutting the bark allows access to pathogens that kill the tree. 
E)  The phloem was cut, so sugars cannot be transported to the roots.

Question 19

If you were observing a root every few days and saw that it enlarged and persisted throughout the life of the plant,you would be looking at a

Accepted Answer

A)  fibrous root. 
B)  companion root. 
C)  rhizome. 
D)  stoma. 
E)  taproot. 
A)  fibrous root. 
B)  companion root. 
C)  rhizome. 
D)  stoma. 
E)  taproot.

Question 20

Nutrients that an organism needs in fairly large amounts are referred to as

Accepted Answer

A)  total nutrients. 
B)  macronutrients. 
C)  micronutrients. 
D)  solid nutrients. 
E)  essential nutrients. 
A)  total nutrients. 
B)  macronutrients. 
C)  micronutrients. 
D)  solid nutrients. 
E)  essential nutrients.

Exam 21: Plant Form and Function

The point at which one or more leaves attach to the stem of a plant is a(n)

You are given a sample of stem tissue to analyze and told that it comes from a plant growing actively in the summer.Chemical analysis shows that it contains abundant sucrose.You would guess that the tissue was xylem.

The concentration of solutes in most soil is lower than the concentration of solutes in root cells,so water enters the roots by

If you want to make maple syrup,you have to extract sugary syrup from a stem tissue,so you would tap the ________ tissue.

The source of a plant's new cells is a type of plant tissue called its

A potato stores a lot of starch.Which tissue would you expect to be most abundant in a potato?

You drive a nail into a tree that is 10 feet tall,and come back 10 years later.The tree is now 30 feet tall,but the nail is the same distance from the ground.This is because the tree grows up from

Which two seasons would contribute to tree rings in a deciduous tree found in the north?

"P" is the chemical symbol for

If water were being pushed from below,air bubbles in the xylem stream would not pose a problem.However,the observation that air bubbles can interrupt xylem function provides important evidence supporting the ________ theory of water movement.

Which will not increase the rate of transpiration in a plant?

Stems that grow underground and produce roots and new shoots are

The pores through which leaves exchange gases with the atmosphere are

Monocots have taproots while eudicots have fibrous roots.

In the pressure flow theory,any part of a plant that does not carry out photosynthesis is a

If asked how nitrogen becomes available to plants,you would point downward,since nitrogen enters plants through their

The tissue that produces cells to thicken a root or stem is the

One way to kill a tree is to girdle it by cutting a groove a centimeter into the bark all around the trunk of the tree.The tree will typically survive that growing season,but will die over the winter.Which is the best explanation for this observation?

If you were observing a root every few days and saw that it enlarged and persisted throughout the life of the plant,you would be looking at a

Nutrients that an organism needs in fairly large amounts are referred to as

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Communities and Ecosystems

Preserving Biodiversity

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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