Question 1

Movement of soluble organic material through plants is known as ____.

Accepted Answer

A) translocation 
B) active transport 
C) passive transport 
D) transpiration 
E) cohesion-tension 
A) translocation 
B) active transport 
C) passive transport 
D) transpiration 
E) cohesion-tension

Question 2

Why do sieve elements require companion cells?

Accepted Answer

As a sieve element matures, it loses mos

Question 3

Which term describes soil with roughly equal proportions of sand, silt, and clay?

Accepted Answer

A) humus 
B) loam 
C) topsoil 
D) A horizon 
E) B horizon 
A) humus 
B) loam 
C) topsoil 
D) A horizon 
E) B horizon

Question 4

In angiosperms, water flows lengthwise through tracheids by moving through ____ and lengthwise through vessel elements by moving through ____. sieve plates; perforation plates

Accepted Answer

A) pits; sieve plates 
B) pits; perforation plates 
C) sieve plates; perforation plates 
D) sieve plates; pits 
E) perforation plates; pits 
A) pits; sieve plates 
B) pits; perforation plates 
C) sieve plates; perforation plates 
D) sieve plates; pits 
E) perforation plates; pits

Question 5

The movement of materials already in the phloem can be described using the term(s) ____.

Accepted Answer

A) source-to-sink only 
B) pressure flow only 
C) cohesion only 
D) both active transport and cohesion 
E) both source-to-sink and pressure flow 
A) source-to-sink only 
B) pressure flow only 
C) cohesion only 
D) both active transport and cohesion 
E) both source-to-sink and pressure flow

Question 6

-?In the accompanying figure, which letter depicts sugars moving from sieve elements into sink cells with water following by osmosis?

Accepted Answer

A) D 
B) E 
C) F 
D) G 
E) H 
A) D 
B) E 
C) F 
D) G 
E) H

Question 7

The phytoremediation efforts at J-Field, Aberdeen Proving Ground in Maryland were led by the U.S. Army and the ____. ​

Accepted Answer

A) ​U.S. Department of Agriculture 
B) ​Nature Conservancy 
C) ​Environmental Protection Agency 
D) ​National Institutes of Health 
E) ​University of Maryland 
A) ​U.S. Department of Agriculture 
B) ​Nature Conservancy 
C) ​Environmental Protection Agency 
D) ​National Institutes of Health 
E) ​University of Maryland

Question 8

Four of the five answers listed below are related to phloem. Select the exception.

Accepted Answer

A) companion cells 
B) sieve tubes 
C) translocation 
D) sucrose 
E) conducting tubes that are dead 
A) companion cells 
B) sieve tubes 
C) translocation 
D) sucrose 
E) conducting tubes that are dead

Question 9

If houseplants must be left unattended for a length of time, some people recommend placing plastic bags over them. What is the reasoning behind this?

Accepted Answer

A) Water tension will decrease. 
B) The plants won't freeze. 
C) Photosynthesis will increase because of trapped carbon dioxide. 
D) Transpiration will be slowed and more water will be retained in the soil. 
E) The bag will trap oxygen. 
A) Water tension will decrease. 
B) The plants won't freeze. 
C) Photosynthesis will increase because of trapped carbon dioxide. 
D) Transpiration will be slowed and more water will be retained in the soil. 
E) The bag will trap oxygen.

Question 10

Most of the water that enters the plant ____.

Accepted Answer

A) leaves the plant through the root system 
B) is lost through transpiration 
C) remains in the plant, resulting in a high concentration of water in plant tissue 
D) remains in the plant to function in translocation 
E) is used up in cellular metabolism 
A) leaves the plant through the root system 
B) is lost through transpiration 
C) remains in the plant, resulting in a high concentration of water in plant tissue 
D) remains in the plant to function in translocation 
E) is used up in cellular metabolism

Question 11

Tension created by transpiration pulls on entire columns of water that fill xylem tubes because water has ____.

Accepted Answer

A) cohesion due to hydrogen bonds 
B) cohesion due to ionic bonds 
C) cohesion due to covalent bonds 
D) pressure caused by the compression of xylem cells 
E) osmotic pressure caused by differences in solute concentrations 
A) cohesion due to hydrogen bonds 
B) cohesion due to ionic bonds 
C) cohesion due to covalent bonds 
D) pressure caused by the compression of xylem cells 
E) osmotic pressure caused by differences in solute concentrations

Question 12

How do transpiration and translocation differ?

Accepted Answer

Transpiration pulls water upward through

Question 13

Which soil layer, containing no organic matter and is composed of weathered rock fragments?

Accepted Answer

A) O Horizon 
B) A Horizon 
C) B Horizon 
D) C Horizon 
E) bedrock 
A) O Horizon 
B) A Horizon 
C) B Horizon 
D) C Horizon 
E) bedrock

Question 14

The roots of most plants grow most densely in which soil layer?

Accepted Answer

A) O horizon 
B) A horizon 
C) B horizon 
D) C horizon 
E) bedrock 
A) O horizon 
B) A horizon 
C) B horizon 
D) C horizon 
E) bedrock

Question 15

Match each description to the most appropriate term.
-pressure flow theory

Accepted Answer

A) theory of water movement through the xylem 
B) pipelines of the xylem 
C) a mutually beneficial association between a fungus and a young root 
D) structures on roots that house nitrogen-fixing bacteria 
E) pipelines of the phloem
F)evaporation from stems and leaves
G)actively transport sucrose into sieve tube members
H)theory of sugar movement through phloem 
A) theory of water movement through the xylem 
B) pipelines of the xylem 
C) a mutually beneficial association between a fungus and a young root 
D) structures on roots that house nitrogen-fixing bacteria 
E) pipelines of the phloem
F)evaporation from stems and leaves
G)actively transport sucrose into sieve tube members
H)theory of sugar movement through phloem

Question 16

Match each description to the most appropriate term.
-tracheids and vessel elements

Accepted Answer

A) theory of water movement through the xylem 
B) pipelines of the xylem 
C) a mutually beneficial association between a fungus and a young root 
D) structures on roots that house nitrogen-fixing bacteria 
E) pipelines of the phloem
F)evaporation from stems and leaves
G)actively transport sucrose into sieve tube members
H)theory of sugar movement through phloem 
A) theory of water movement through the xylem 
B) pipelines of the xylem 
C) a mutually beneficial association between a fungus and a young root 
D) structures on roots that house nitrogen-fixing bacteria 
E) pipelines of the phloem
F)evaporation from stems and leaves
G)actively transport sucrose into sieve tube members
H)theory of sugar movement through phloem

Question 17

Match each description to the most appropriate term.
-companion cells

Accepted Answer

A) theory of water movement through the xylem 
B) pipelines of the xylem 
C) a mutually beneficial association between a fungus and a young root 
D) structures on roots that house nitrogen-fixing bacteria 
E) pipelines of the phloem
F)evaporation from stems and leaves
G)actively transport sucrose into sieve tube members
H)theory of sugar movement through phloem 
A) theory of water movement through the xylem 
B) pipelines of the xylem 
C) a mutually beneficial association between a fungus and a young root 
D) structures on roots that house nitrogen-fixing bacteria 
E) pipelines of the phloem
F)evaporation from stems and leaves
G)actively transport sucrose into sieve tube members
H)theory of sugar movement through phloem

Question 18

In a mycorrhizal relationship, fungi supply ____ and plants supply ____.

Accepted Answer

A) water; sugars 
B) minerals; starch 
C) minerals; sugars and nitrogen 
D) sugars; minerals and water 
E) sugars and nitrogen; minerals 
A) water; sugars 
B) minerals; starch 
C) minerals; sugars and nitrogen 
D) sugars; minerals and water 
E) sugars and nitrogen; minerals

Question 19

Sugars and other organic solutes are conducted through the plant in which tissue?

Accepted Answer

A) cortex 
B) parenchyma 
C) xylem 
D) phloem 
E) cambium 
A) cortex 
B) parenchyma 
C) xylem 
D) phloem 
E) cambium

Question 20

Humus does not include ____.

Accepted Answer

A) feces 
B) dead organisms 
C) leaf litter 
D) weathered rock 
E) decomposing organic matter 
A) feces 
B) dead organisms 
C) leaf litter 
D) weathered rock 
E) decomposing organic matter

Exam 26: Plant Nutrition and Transport

Movement of soluble organic material through plants is known as ____.

Why do sieve elements require companion cells?

Which term describes soil with roughly equal proportions of sand, silt, and clay?

In angiosperms, water flows lengthwise through tracheids by moving through ____ and lengthwise through vessel elements by moving through ____. sieve plates; perforation plates

The movement of materials already in the phloem can be described using the term(s) ____.

-?In the accompanying figure, which letter depicts sugars moving from sieve elements into sink cells with water following by osmosis?

The phytoremediation efforts at J-Field, Aberdeen Proving Ground in Maryland were led by the U.S. Army and the ____. ​

Four of the five answers listed below are related to phloem. Select the exception.

If houseplants must be left unattended for a length of time, some people recommend placing plastic bags over them. What is the reasoning behind this?

Most of the water that enters the plant ____.

Tension created by transpiration pulls on entire columns of water that fill xylem tubes because water has ____.

How do transpiration and translocation differ?

Which soil layer, containing no organic matter and is composed of weathered rock fragments?

The roots of most plants grow most densely in which soil layer?

Match each description to the most appropriate term. -pressure flow theory

Match each description to the most appropriate term. -tracheids and vessel elements

Match each description to the most appropriate term. -companion cells

In a mycorrhizal relationship, fungi supply ____ and plants supply ____.

Sugars and other organic solutes are conducted through the plant in which tissue?

Humus does not include ____.

The Science of Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where It Starts-Photosynthesis

Releasing Chemical Energy

DNA Structure and Function

From DNA to Protein

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Meiosis and Sexual Reproduction

Patterns in Inherited Traits

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Processes of Evolution

Lifes Origin and Early Evolution

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The Protists

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Animals I: Major Invertebrate Groups

Animals Ii: the Chordates

Plant Tissues

Plant Reproduction and Development

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Filters

In angiosperms, water flows lengthwise through tracheids by moving through and lengthwise through vessel elements by moving through . sieve plates; perforation plates

The phytoremediation efforts at J-Field, Aberdeen Proving Ground in Maryland were led by the U.S. Army and the ____.

In a mycorrhizal relationship, fungi supply and plants supply .