Question 1

A farmer decides to use a crop rotation plan that plants corn one year,peanuts the next year,and soy beans the next year,and then starts over with corn the following year.The most likely reason for this type of crop rotation is to replace the soil's _____ content.

Accepted Answer

A)   phosphorus
B)   water
C)   potassium
D)   calcium
E)   nitrogenF) D) and E)
G) A) and B)

Question 2

Figuer:  
-Nitrogen is used in plant cells to produce which of the following?

Accepted Answer

A)   proteins and nucleic acids
B)   sugars
C)   sugars and nucleic acids
D)   proteins
E)   nucleic acidsF) A) and E)
G) C) and D)

Question 3

According to pressure-flow theory,how does sap move from the sieve tube into a sink?

Accepted Answer

A)   osmosis of the dissolved sugars across the sieve tube and the sink plasma membranes
B)   a positive pump pressure
C)   gravitational action as phloem moves down from the source
D)   active membrane transport through the plasma membranes
E)   a negative pump pressureF) A) and B)
G) A) and C)

Question 4

Chemically,nutrients from inorganic fertilizers are not equivalent to nutrients from manure or compost.

Accepted Answer

A) True 
 B)False

Question 5

Figuer:  
-When Ellison and Gotelli manipulated concentrations of nutrients available to pitcher plants,what was the independent variable?

Accepted Answer

A)   amount of nitrogen or phosphorus added to the pitcher of each plant
B)   number of insects fed to each plant
C)   ratio of the pitcher opening to pitcher length
D)   amount of nitrogen or phosphorus added to the roots of each plant
E)   ratio of the keel width to total widthF) A) and D)
G) All of the above

Question 6

Soil scientists use relative amounts of sand,silt,and clay to classify soils.

Accepted Answer

A) True 
 B)False

Question 7

Turgor is the

Accepted Answer

A)   passage of water vapor out of a plant through the stomatal openings.
B)   cohesion of water molecules with each other, as they pass through a plant's vascular tissues.
C)   diffusion of water across plant cell membranes in response to the nutrient solute concentrations.
D)   pressure placed on the inside of a cell membrane of a plant by water.
E)   adhesion of water molecules to the inside of a cell membrane of a plant's xylem.F) A) and B)
G) All of the above

Question 8

Carbon dioxide,as an input for photosynthesis,enters a plant from the atmosphere through pores called

Accepted Answer

A)   plasmodesmata.
B)   companion cells.
C)   guard cells.
D)   sieve tubes.
E)   stomata.F) C) and E)
G) A) and B)

Exam 23: Plant Nutrition and Transport

Turgor is the

Correct Answer
verified

Carbon dioxide,as an input for photosynthesis,enters a plant from the atmosphere through pores called

Correct Answer
verified

Figuer: -When Ellison and Gotelli manipulated concentrations of nutrients available to pitcher plants,what was the independent variable?

Correct Answer
verified

Figuer: -Nitrogen is used in plant cells to produce which of the following?

Correct Answer
verified

Soil scientists use relative amounts of sand,silt,and clay to classify soils.

Correct Answer
verified

A farmer decides to use a crop rotation plan that plants corn one year,peanuts the next year,and soy beans the next year,and then starts over with corn the following year.The most likely reason for this type of crop rotation is to replace the soil's _____ content.

Correct Answer
verified

Chemically,nutrients from inorganic fertilizers are not equivalent to nutrients from manure or compost.

Correct Answer
verified

According to pressure-flow theory,how does sap move from the sieve tube into a sink?

Correct Answer
verified

Exam 23: Plant Nutrition and Transport

Turgor is the

Correct AnswerverifiedShow Answer

Carbon dioxide,as an input for photosynthesis,enters a plant from the atmosphere through pores called

Correct AnswerverifiedShow Answer

Figuer: -When Ellison and Gotelli manipulated concentrations of nutrients available to pitcher plants,what was the independent variable?

Correct AnswerverifiedShow Answer

Figuer: -Nitrogen is used in plant cells to produce which of the following?

Correct AnswerverifiedShow Answer

Soil scientists use relative amounts of sand,silt,and clay to classify soils.

Correct AnswerverifiedShow Answer

A farmer decides to use a crop rotation plan that plants corn one year,peanuts the next year,and soy beans the next year,and then starts over with corn the following year.The most likely reason for this type of crop rotation is to replace the soil's _____ content.

Correct AnswerverifiedShow Answer

Chemically,nutrients from inorganic fertilizers are not equivalent to nutrients from manure or compost.

Correct AnswerverifiedShow Answer

According to pressure-flow theory,how does sap move from the sieve tube into a sink?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
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