Question 1

Stomata rhythm in wheat under continuous light at 25°C.

Accepted Answer

A)  Supports both hypothesis I and II.
B)  Supports only hypothesis I.
C)  Supports only hypothesis II.
D)  Supports neither hypothesis.E) B) and C)
F) A) and D)

Question 2

Phytoremediation is the use of a plant's ability to uptake minerals in order to remove pollutants from the environment.

Accepted Answer

A) True 
 B)False

Question 3

Which force is responsible for moving water up to the tops of the trees?

Accepted Answer

A)  water stress
B)  atmospheric pressure
C)  root pressure
D)  guttation
E)  transpirationF) B) and E)
G) A) and E)

Question 4

Water is forced to enter root endodermal cells by a strip of suberin in the four sides of root endodermal cells called the Casparian strip.

Accepted Answer

A) True 
 B)False

Question 5

Sieve-tube members are connected by

Accepted Answer

A)  sieve plates.
B)  tight junctions.
C)  companion cells.
D)  tracheids.E) A) and D)
F) A) and B)

Question 6

Some plants are not photosynthetic and must depend upon bacteria in their root nodules for nutrients.

Accepted Answer

A) True 
 B)False

Question 7

Within a mycorrhizal relationship the fungi provide a greater surface area for mineral and water loss while the plant furnishes the fungi with sugars and amino acids.

Accepted Answer

A) True 
 B)False  False

Question 8

The coastal wetlands are losing soil at an alarming rate.In Louisiana,it is estimated that 24 mi2 of wetlands are lost each year,which equates to one football field every 38 minutes.Why is the loss of these wetlands so critical?

Accepted Answer

The loss of wetlands is a critical issue...

Question 9

Arrange the soil particles according to size,from largest to smallest: silt,clay,and sand.Briefly describe the content of loam soils in terms of these three particles and tell why loam soils are the most productive.

Accepted Answer

Arrangement of soil particles ...

Question 10

Evaporation of water through the stomata of leaves is

Accepted Answer

A)  guttation.
B)  respiration.
C)  transpiration.
D)  photosynthesis.E) C) and D)
F) A) and C)

Question 11

Stomata opening after illumination following eight hours in darkness: plant is Xanthium pennsylvanicum.

Accepted Answer

A)  Supports both hypothesis I and II.
B)  Supports only hypothesis I.
C)  Supports only hypothesis II.
D)  Supports neither hypothesis.E) None of the above
F) A) and D)

Question 12

Which term describes the forcing out of water at the surface of a plant's leaves?

Accepted Answer

A)  water stress
B)  atmospheric pressure
C)  root pressure
D)  guttation
E)  transpirationF) A) and D)
G) B) and C)

Question 13

Which statement is NOT true about water uptake in a plant root?

Accepted Answer

A)  Water enters the root from the soil by osmosis.
B)  Water enters the cytoplasm of the root hairs by active transport.
C)  Water travels by diffusion through the cell walls of the epidermis and cortex.
D)  Water must enter the cytoplasm of the endodermal cells to get past the Casparian strip.E) A) and B)
F) A) and C)

Question 14

Stomata allow carbon dioxide into the leaf and water out of the leaf under normal environmental conditions.

Accepted Answer

A) True 
 B)False

Question 15

Mature soil generally has three horizons.Label the soil horizons A,B,and C in the following picture.In addition,describe the contents of the horizons by labeling D through G.  D.________
E.________
F.________
G.________

Accepted Answer

Soil horizon A is the uppermost or topsoil layer.The B horizon is under A and the C horizon is a weathered rock layer under B.
D.Topsoil: contains litter and humus
E.Zone of leaching: removal of nutrients
F.Subsoil: accumulation of minerals and some organic material
G.Weathered or shattered rock

Question 16

The main components of soil are

Accepted Answer

A)  a mixture of soil particles of different sizes.
B)  both living organisms and decaying organic material.
C)  air and water.
D)  All of these are components that define soil.E) C) and D)
F) None of the above

Question 17

Which hypothesis is supported by the fact that stomata open when exposed to white light,a mixture of all colors of light?

Accepted Answer

A)  Supports both hypothesis I and II.
B)  Supports only hypothesis I.
C)  Supports only hypothesis II.
D)  Supports neither hypothesis.E) B) and C)
F) A) and D)

Question 18

List the steps associated with the cohesion-tension model of xylem transport.

Accepted Answer

1.Transpiration in the leaves causes wat...

Question 19

Which type of soil is best able to retain calcium and potassium,preventing them from being leached away by runoff?

Accepted Answer

A)  clay
B)  humus
C)  sand
D)  All soils are equal in preventing leaching of minerals.
E)  None of these soils would prevent leaching of minerals.F) B) and C)
G) All of the above A

Question 20

The carbon needed to build organic compounds in plants comes from ________,while the hydrogen and oxygen comes from ________.

Accepted Answer

A)  oxygen in the atmosphere; hydrogen peroxide
B)  carbon dioxide; water
C)  carbohydrates; hydrogen and oxygen gasses in the atmosphere
D)  glucose; hydrochloric acidE) None of the above
F) A) and B)

Exam 25: Flowering Plants: Nutrition and Transport

Stomata rhythm in wheat under continuous light at 25°C.

Correct Answer
verified

Phytoremediation is the use of a plant's ability to uptake minerals in order to remove pollutants from the environment.

Correct Answer
verified

Which force is responsible for moving water up to the tops of the trees?

Correct Answer
verified

Water is forced to enter root endodermal cells by a strip of suberin in the four sides of root endodermal cells called the Casparian strip.

Correct Answer
verified

Sieve-tube members are connected by

Correct Answer
verified

Some plants are not photosynthetic and must depend upon bacteria in their root nodules for nutrients.

Correct Answer
verified

Within a mycorrhizal relationship the fungi provide a greater surface area for mineral and water loss while the plant furnishes the fungi with sugars and amino acids.

Correct Answer
verified
False

The coastal wetlands are losing soil at an alarming rate.In Louisiana,it is estimated that 24 mi² of wetlands are lost each year,which equates to one football field every 38 minutes.Why is the loss of these wetlands so critical?

Correct Answer
verified
The loss of wetlands is a critical issue...
View Answer

Arrange the soil particles according to size,from largest to smallest: silt,clay,and sand.Briefly describe the content of loam soils in terms of these three particles and tell why loam soils are the most productive.

Correct Answer
verified
Arrangement of soil particles ...
View Answer

Evaporation of water through the stomata of leaves is

Correct Answer
verified

Stomata opening after illumination following eight hours in darkness: plant is Xanthium pennsylvanicum.

Correct Answer
verified

Which term describes the forcing out of water at the surface of a plant's leaves?

Correct Answer
verified

Which statement is NOT true about water uptake in a plant root?

Correct Answer
verified

Stomata allow carbon dioxide into the leaf and water out of the leaf under normal environmental conditions.

Correct Answer
verified

Mature soil generally has three horizons.Label the soil horizons A,B,and C in the following picture.In addition,describe the contents of the horizons by labeling D through G. D. E. F. G.

The main components of soil are

Correct Answer
verified

Which hypothesis is supported by the fact that stomata open when exposed to white light,a mixture of all colors of light?

Correct Answer
verified

List the steps associated with the cohesion-tension model of xylem transport.

Correct Answer
verified
1.Transpiration in the leaves causes wat...
View Answer

Which type of soil is best able to retain calcium and potassium,preventing them from being leached away by runoff?

Correct Answer
verified
A

The carbon needed to build organic compounds in plants comes from ,while the hydrogen and oxygen comes from .

Correct Answer
verified

Exam 25: Flowering Plants: Nutrition and Transport

Stomata rhythm in wheat under continuous light at 25°C.

Correct AnswerverifiedShow Answer

Phytoremediation is the use of a plant's ability to uptake minerals in order to remove pollutants from the environment.

Correct AnswerverifiedShow Answer

Which force is responsible for moving water up to the tops of the trees?

Correct AnswerverifiedShow Answer

Water is forced to enter root endodermal cells by a strip of suberin in the four sides of root endodermal cells called the Casparian strip.

Correct AnswerverifiedShow Answer

Sieve-tube members are connected by

Correct AnswerverifiedShow Answer

Some plants are not photosynthetic and must depend upon bacteria in their root nodules for nutrients.

Correct AnswerverifiedShow Answer

Within a mycorrhizal relationship the fungi provide a greater surface area for mineral and water loss while the plant furnishes the fungi with sugars and amino acids.

Correct AnswerverifiedFalse

The coastal wetlands are losing soil at an alarming rate.In Louisiana,it is estimated that 24 mi2 of wetlands are lost each year,which equates to one football field every 38 minutes.Why is the loss of these wetlands so critical?

Correct AnswerverifiedThe loss of wetlands is a critical issue...View AnswerShow Answer

Arrange the soil particles according to size,from largest to smallest: silt,clay,and sand.Briefly describe the content of loam soils in terms of these three particles and tell why loam soils are the most productive.

Correct AnswerverifiedArrangement of soil particles ...View AnswerShow Answer

Evaporation of water through the stomata of leaves is

Correct AnswerverifiedShow Answer

Stomata opening after illumination following eight hours in darkness: plant is Xanthium pennsylvanicum.

Correct AnswerverifiedShow Answer

Which term describes the forcing out of water at the surface of a plant's leaves?

Correct AnswerverifiedShow Answer

Which statement is NOT true about water uptake in a plant root?

Correct AnswerverifiedShow Answer

Stomata allow carbon dioxide into the leaf and water out of the leaf under normal environmental conditions.

Correct AnswerverifiedShow Answer

Mature soil generally has three horizons.Label the soil horizons A,B,and C in the following picture.In addition,describe the contents of the horizons by labeling D through G. D.________ E.________ F.________ G.________

The main components of soil are

Correct AnswerverifiedShow Answer

Which hypothesis is supported by the fact that stomata open when exposed to white light,a mixture of all colors of light?

Correct AnswerverifiedShow Answer

List the steps associated with the cohesion-tension model of xylem transport.

Correct Answerverified1.Transpiration in the leaves causes wat...View AnswerShow Answer

Which type of soil is best able to retain calcium and potassium,preventing them from being leached away by runoff?

Correct AnswerverifiedA

The carbon needed to build organic compounds in plants comes from ________,while the hydrogen and oxygen comes from ________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
False

The coastal wetlands are losing soil at an alarming rate.In Louisiana,it is estimated that 24 mi² of wetlands are lost each year,which equates to one football field every 38 minutes.Why is the loss of these wetlands so critical?

Correct Answer
verified
The loss of wetlands is a critical issue...
View Answer

Correct Answer
verified
Arrangement of soil particles ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Mature soil generally has three horizons.Label the soil horizons A,B,and C in the following picture.In addition,describe the contents of the horizons by labeling D through G. D. E. F. G.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
1.Transpiration in the leaves causes wat...
View Answer

Correct Answer
verified
A

The carbon needed to build organic compounds in plants comes from ,while the hydrogen and oxygen comes from .

Correct Answer
verified