Question 1

All of the following contribute to the movement of water in a terrestrial plant except:

Accepted Answer

A)   transpiration.
B)   drying power of the sun.
C)   hydrogen bonding.
D)   water potential.
E)   None of the choices are correct.

Question 2

Movement of water _____________ its concentration gradient is called ________________.

Accepted Answer

A)   down; diffusion
B)   up; diffusion
C)   down; active transport
D)   up; osmosis
E)   None of the choices are correct.

Question 3

If a person were to place a marine fish into a fresh water lake, water would diffuse

Accepted Answer

A)   up its concentration gradient and enter the fish.
B)   down its concentration gradient and enter the fish.
C)   down its concentration gradient and exit the fish.
D)   up its concentration gradient and exit the fish.
E)   None of the choices are correct.

Question 4

Saturation water vapor pressure

Accepted Answer

A)   increases with temperature.
B)   decreases with temperature.
C)   parallels vapor pressure density.
D)   both increases with temperature and parallels vapor pressure density.
E)   both decreases with temperature and parallels vapor pressure density.

Question 5

Windy days will decrease a plant's evaporative water loss.

Accepted Answer

A) True 
 B)False

Question 6

The camel and saguaro cactus both

Accepted Answer

A)   acquire massive amounts of water when water is available.
B)   allow their internal temperature to rise.
C)   reduce surface area exposed to direct sunlight.
D)   reflect sunlight with dense hairs.
E)   All of the choices are correct.

Question 7

A(n)  ___________ marine fish gains water through osmosis and loses salts through diffusion.

Accepted Answer

A)   hyperosmotic
B)   hypoosmotic
C)   isoosmotic
D)   osmotic
E)   None of the choices are correct. A

Question 8

The potential for evaporative water loss by terrestrial organisms
3-15-2013

Accepted Answer

A)   decreases with increased vapor pressure deficit.
B)   increases with decreased vapor pressure deficit.
C)   increases with increased vapor pressure deficit.
D)   None of the choices are correct.

Question 9

The water availability for organisms is determined by

Accepted Answer

A)   internal dissolved ion concentrations.
B)   external dissolved ion concentrations.
C)   movement of water down its concentration gradient.
D)   movement of water up its concentration gradient.
E)   None of the choices are correct.

Question 10

Metabolic water is the water that is released by the process of ___________________.

Accepted Answer

aerobic ce...

Question 11

Water vapor is continuously added to the air by

Accepted Answer

A)   transpiration.
B)   evaporation.
C)   both transpiration and evaporation.
D)   precipitation.
E)   both evaporation and precipitation. C

Question 12

A cicada will use which of the following mechanisms in order to survive hot, dry conditions of the desert?

Accepted Answer

A)   nocturnal behavior
B)   burrowing
C)   torpor
D)   sweating
E)   All of the choices are correct.

Question 13

In a terrestrial plant, water movement is as follows:

Accepted Answer

A)   from less negative water potential to a more negative water potential.
B)   from more negative water potential to a less negative water potential.
C)   from less positive water potential to a more positive water potential.
D)   from zero water potential to a more negative water potential.
E)   from zero water potential to a more positive water potential. A

Question 14

Water conservation mechanisms used by plants adapted to dry conditions include

Accepted Answer

A)   dropping leaves.
B)   thick leaves.
C)   fewer stomata.
D)   dormancy.
E)   All of the choices are correct.

Question 15

In general, a plant located in an arid climate will possess all of the following in order to prevent water loss except:

Accepted Answer

A)   waxy coating.
B)   decreased root biomass.
C)   decreased shoot biomass.
D)   increased root length.
E)   reduces leaf size.

Question 16

In general, desert organisms try to decrease their rate of evaporative cooling in order to conserve water. Which of the following desert organisms sweats?

Accepted Answer

A)   camel
B)   cactus
C)   cicada
D)   scorpion
E)   tiger beetle

Question 17

In order to reduce heat gain, a camel will face into the sun.

Accepted Answer

A) True 
 B)False

Question 18

The diffusion of water across a differentially permeable membrane is called _______.

Accepted Answer

The answer of The diffusion of water across a differentially...

Question 19

A desert scorpion will use all of the following mechanisms in order to survive in the desert except:

Accepted Answer

A)   waterproof cuticle.
B)   nocturnal behavior.
C)   burrowing.
D)   decreased metabolic rate.
E)   None of the choices are correct.

Question 20

Aquatic organisms whose ionic concentration of their body fluids exceeds that of their surroundings are

Accepted Answer

A)   hyperosmotic.
B)   hypoosmotic.
C)   isoosmotic.
D)   osmotic.
E)   None of the choices are correct.

Exam 6: Water Relations

All of the following contribute to the movement of water in a terrestrial plant except:

Correct AnswerverifiedShow Answer

Movement of water _____________ its concentration gradient is called ________________.

Correct AnswerverifiedShow Answer

If a person were to place a marine fish into a fresh water lake, water would diffuse

Correct AnswerverifiedShow Answer

Saturation water vapor pressure

Correct AnswerverifiedShow Answer

Windy days will decrease a plant's evaporative water loss.

Correct AnswerverifiedShow Answer

The camel and saguaro cactus both

Correct AnswerverifiedShow Answer

A(n) ___________ marine fish gains water through osmosis and loses salts through diffusion.

Correct AnswerverifiedA

The potential for evaporative water loss by terrestrial organisms 3-15-2013

Correct AnswerverifiedShow Answer

The water availability for organisms is determined by

Correct AnswerverifiedShow Answer

Metabolic water is the water that is released by the process of ___________________.

Correct Answerverifiedaerobic ce...View AnswerShow Answer

Water vapor is continuously added to the air by

Correct AnswerverifiedC

A cicada will use which of the following mechanisms in order to survive hot, dry conditions of the desert?

Correct AnswerverifiedShow Answer

In a terrestrial plant, water movement is as follows:

Correct AnswerverifiedA

Water conservation mechanisms used by plants adapted to dry conditions include

Correct AnswerverifiedShow Answer

In general, a plant located in an arid climate will possess all of the following in order to prevent water loss except:

Correct AnswerverifiedShow Answer

In general, desert organisms try to decrease their rate of evaporative cooling in order to conserve water. Which of the following desert organisms sweats?

Correct AnswerverifiedShow Answer

In order to reduce heat gain, a camel will face into the sun.

Correct AnswerverifiedShow Answer

The diffusion of water across a differentially permeable membrane is called _______.

Correct AnswerverifiedShow Answer

A desert scorpion will use all of the following mechanisms in order to survive in the desert except:

Correct AnswerverifiedShow Answer

Aquatic organisms whose ionic concentration of their body fluids exceeds that of their surroundings are

Correct AnswerverifiedShow Answer

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Movement of water _ its concentration gradient is called ____.

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A

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aerobic ce...
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C

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A

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