Question 1

The basic plant body consists of a root system and a ________ system.

Accepted Answer

The answer of The basic plant body consists of a...

Question 2

Venus flytraps are known to have captured and consumed small mammals.

Accepted Answer

A) True 
 B)False

Question 3

Most aboveground plant growth occurs with the repeated addition of ________ units.

Accepted Answer

The answer of Most aboveground plant growth occurs with the...

Question 4

What process powers water transport from the root to shoot of a plant?

Accepted Answer

A)  osmosis 
B)  nitrogen fixation 
C)  differences in pressure as a result of active transport 
D)  transpiration 
A)  osmosis 
B)  nitrogen fixation 
C)  differences in pressure as a result of active transport 
D)  transpiration

Question 5

Fibrous root systems have one predominant root and many smaller roots near the top of the main root.

Accepted Answer

A) True 
 B)False

Question 6

The type of plant tissue indicated by the letter A in the diagram below of a plant stem is ground tissue.

Accepted Answer

A) True 
 B)False

Question 7

Leafhoppers feed on the contents of tracheids and vessels.The concentration of organic material in these plant components is

Accepted Answer

A)  very high. 
B)  very low. 
C)  non-existent. 
D)  high only in spring. 
A)  very high. 
B)  very low. 
C)  non-existent. 
D)  high only in spring.

Question 8

Trees,although immobile,can take defensive measures against harmful insects.

Accepted Answer

A) True 
 B)False

Question 9

Some plants house bacteria in compartments in their roots.These bacteria benefit the plant because they are capable of performing ________,making the macronutrient nitrogen available to the plant.

Accepted Answer

The answer of Some plants house bacteria in compartments in...

Question 10

A cotyledon is the

Accepted Answer

A)  food-storing organ found in the seeds of flowering plants. 
B)  embryonic root of a seedling. 
C)  reproductive organ of a plant. 
D)  type of ground tissue in mechanical reinforcement of stem structure. 
A)  food-storing organ found in the seeds of flowering plants. 
B)  embryonic root of a seedling. 
C)  reproductive organ of a plant. 
D)  type of ground tissue in mechanical reinforcement of stem structure.

Question 11

In the figure below,the line with the arrows indicates the cell-wall pathway for an absorbed nutrient.
 
What structure actually regulates the entry of nutrients into the plant's interior?

Accepted Answer

A)  the root cap 
B)  the plasma membrane of root hair 
C)  the plasma membrane of endodermal wall 
D)  the cell wall of root hair 
A)  the root cap 
B)  the plasma membrane of root hair 
C)  the plasma membrane of endodermal wall 
D)  the cell wall of root hair

Question 12

What best explains why sugar maple trees are tapped on the sun-warmed south side of the trunk?

Accepted Answer

A)  Sap on the north side of the tree is still frozen in early spring. 
B)  During the summer most photosynthesis occurs on the south side of the tree. 
C)  The reaction rate for the enzymes that convert starch to sucrose is temperature dependent. 
D)  The sap expands as it is warmed and flows upward through the trunk. 
A)  Sap on the north side of the tree is still frozen in early spring. 
B)  During the summer most photosynthesis occurs on the south side of the tree. 
C)  The reaction rate for the enzymes that convert starch to sucrose is temperature dependent. 
D)  The sap expands as it is warmed and flows upward through the trunk.

Question 13

In the xylem,water is transported

Accepted Answer

A)  in "cables" of a sugary water solution. 
B)  as evaporation from leaves pulls water "cables" from the root. 
C)  as evaporation of "cables" pulls water from root hairs. 
D)  through concentrated sugar solutions in phloem. 
A)  in "cables" of a sugary water solution. 
B)  as evaporation from leaves pulls water "cables" from the root. 
C)  as evaporation of "cables" pulls water from root hairs. 
D)  through concentrated sugar solutions in phloem.

Question 14

A tendril on a grapevine is a modified

Accepted Answer

A)  leaf. 
B)  bud. 
C)  root. 
D)  stem. 
A)  leaf. 
B)  bud. 
C)  root. 
D)  stem.

Question 15

The vascular tissue responsible for transporting sugars is known as

Accepted Answer

A)  phloem. 
B)  xylem. 
C)  sclerenchyma. 
D)  collenchyma. 
A)  phloem. 
B)  xylem. 
C)  sclerenchyma. 
D)  collenchyma.

Question 16

Like other organisms,plants are composed of proteins,lipids,carbohydrates,and nucleic acids.Based on this,which of the following would be a macronutrient?

Accepted Answer

A)  zinc 
B)  copper 
C)  iron 
D)  carbon 
A)  zinc 
B)  copper 
C)  iron 
D)  carbon

Question 17

A plant's root cap would be found

Accepted Answer

A)  where the soil meets the air. 
B)  between the active growing area of the root and the soil. 
C)  within and just behind the active growing area of the root. 
D)  at the base of each root hair,near the main root. 
A)  where the soil meets the air. 
B)  between the active growing area of the root and the soil. 
C)  within and just behind the active growing area of the root. 
D)  at the base of each root hair,near the main root.

Question 18

Examine the diagram below of a root tip.Which letter in the diagram indicates the zone of cell division?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 19

Why is it important that the cells of the phloem remain alive?

Accepted Answer

A)  Active transport and osmosis require a functional plasma membrane to take place. 
B)  Transpiration depends on the presence of a central vacuole. 
C)  Photosynthesis only occurs in vascular tissue. 
D)  All the mitochondria in a plant are found in the phloem. 
A)  Active transport and osmosis require a functional plasma membrane to take place. 
B)  Transpiration depends on the presence of a central vacuole. 
C)  Photosynthesis only occurs in vascular tissue. 
D)  All the mitochondria in a plant are found in the phloem.

Question 20

The uptake of nutrients by roots requires energy because the

Accepted Answer

A)  concentrations of nutrients in the soil are greater than the concentrations in root cells. 
B)  concentrations of nutrients in the soil are much more dilute than the concentrations in root cells. 
C)  concentrations of nutrients in the soil and in root cells are equal. 
D)  root hairs are covered by a waxy layer. 
A)  concentrations of nutrients in the soil are greater than the concentrations in root cells. 
B)  concentrations of nutrients in the soil are much more dilute than the concentrations in root cells. 
C)  concentrations of nutrients in the soil and in root cells are equal. 
D)  root hairs are covered by a waxy layer.

Exam 34: Plant Structure, Nutrition, and Transport

The basic plant body consists of a root system and a ________ system.

Venus flytraps are known to have captured and consumed small mammals.

Most aboveground plant growth occurs with the repeated addition of ________ units.

What process powers water transport from the root to shoot of a plant?

Fibrous root systems have one predominant root and many smaller roots near the top of the main root.

The type of plant tissue indicated by the letter A in the diagram below of a plant stem is ground tissue.

Leafhoppers feed on the contents of tracheids and vessels.The concentration of organic material in these plant components is

Trees,although immobile,can take defensive measures against harmful insects.

Some plants house bacteria in compartments in their roots.These bacteria benefit the plant because they are capable of performing ________,making the macronutrient nitrogen available to the plant.

A cotyledon is the

In the figure below,the line with the arrows indicates the cell-wall pathway for an absorbed nutrient. What structure actually regulates the entry of nutrients into the plant's interior?

What best explains why sugar maple trees are tapped on the sun-warmed south side of the trunk?

In the xylem,water is transported

A tendril on a grapevine is a modified

The vascular tissue responsible for transporting sugars is known as

Like other organisms,plants are composed of proteins,lipids,carbohydrates,and nucleic acids.Based on this,which of the following would be a macronutrient?

A plant's root cap would be found

Examine the diagram below of a root tip.Which letter in the diagram indicates the zone of cell division?

Why is it important that the cells of the phloem remain alive?

The uptake of nutrients by roots requires energy because the

The Nature of Science and the Characteristics of Life

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Cancer and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

DNA and Genes

From Gene to Protein

DNA Technology

How Evolution Works

The Origin of Species

The Evolution of Biodiversity

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Biosphere

Growth of Populations

Animal Behavior

Ecological Communities

Ecosystems

Global Change

Internal Organization and Homeostasis

Nutrition and Digestion

Circulation and Gas Exchange

Animal Hormones

Nervous and Sensory Systems

Skeletons,Muscles,and Movement

The Immune System

Reproduction and Development

Plant Growth and Reproduction

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