Question 1

Carbon,hydrogen,and oxygen account for only about 50% of the dry weight of a plant.

Accepted Answer

A) True 
 B)False

Question 2

In many parts of the Everglades in Florida,excessive irrigation is lowering water levels and allowing salt water to enter the normally freshwater swamps.Why is this a problem for plants that have adapted to life in these swamps?

Accepted Answer

A)  The salt competes with minerals for uptake by the plants,limiting their growth.
B)  Salts bind to nitrogen,preventing it from being taken up.
C)  The plants cannot move sugars down the xylem if there is salt outside of the roots pulling water out.
D)  Photosynthesis is inhibited by salt.
E)  The plant roots cannot take up water if the soil salt concentration is high.F) B) and D)
G) None of the above

Question 3

Which of the following best describes a compound leaf?

Accepted Answer

A)  multiple blades attached to a single petiole
B)  a single blade attached to a petiole
C)  a single leaflet attached to a petiole
D)  multiple leaflets attached to a single petioleE) A) and C)
F) None of the above

Question 4

Soybeans will have several hundred Rhizobium nodules.A study in Minnesota found that soybeans grown without P2O5 fertilizer produced 23.0 bushels per acre,while adding 23 lbs of P2O5 per acre gave a yield of 37 bushels per acre.What is the best explanation for this observation?

Accepted Answer

A)  Rhizobium cannot produce PO4,so you need to add fertilizer that contains P.
B)  Rhizobium produces NH4+,so you don't need fertilizer that contains N.
C)  Rhizobium produces PO4 and NH4+,so you don't need any fertilizer.
D)  Rhizobium produces PO4,so you don't need P-containing fertilizer.
E)  Rhizobium cannot produce NH4+,so you need to add fertilizer that contains N.F) D) and E)
G) A) and B)

Question 5

If a plant exhibits determinate growth,the plant

Accepted Answer

A)  continues to grow until the environment determines that it cannot.
B)  produces auxiliary roots to help stabilize the plant.
C)  sends out tendrils to support the plant.
D)  stops growing when the plant reaches its mature size.
E)  produces seeds only at one time during its lifE.F) A) and D)
G) B) and E)

Question 6

Most carnivorous plants use their prey as a primary source of

Accepted Answer

A)  nitrogen.
B)  energy.
C)  carbon.
D)  magnesium.
E)  potassium.F) A) and D)
G) A) and B)

Question 7

Carnivorous plants exist only in science fiction.

Accepted Answer

A) True 
 B)False

Question 8

A tomato,squash,or bean would be considered a fruit for which reason?

Accepted Answer

A)  They contain seeds from a flowering plant.
B)  They were produced by a flowering plant.
C)  They can have a color other than green.
D)  They grow above the grounD.
E)  They can be eaten raw.F) C) and D)
G) B) and C)

Question 9

Water is pulled from a plant's roots to its leaves by transpiration.

Accepted Answer

A) True 
 B)False

Question 10

Apoptosis is Greek for "dropping off" and refers to the programmed death of cells that attach the petiole to the stem.When these cells die in the fall,the leaves drop.Cells in which part of the plant are undergoing apoptosis?

Accepted Answer

A)  lateral meristem only
B)  apical meristem only
C)  all types of meristem
D)  leaf
E)  nodeF) C) and D)
G) B) and C)

Question 11

"P" is the chemical symbol for

Accepted Answer

A)  nickel.
B)  potassium.
C)  plutonium.
D)  phosphorus.
E)  copper.F) None of the above
G) B) and E)

Question 12

On a hot sunny day,which of the following would help protect a plant from water loss?

Accepted Answer

A)  both cuticle and stomata
B)  cuticle only
C)  stomata only
D)  both cuticle and phloem
E)  both phloem and stomataF) B) and D)
G) None of the above

Question 13

A collective term for all plant tissues outside the vascular cambium is

Accepted Answer

A)  mesophyll.
B)  bark.
C)  leaf.
D)  wooD.
E)  cork cambium.F) B) and E)
G) B) and C)

Question 14

In woody plants the vascular cambium produces xylem and the cork cambium produces phloem.

Accepted Answer

A) True 
 B)False

Question 15

The cohesion-tension theory explains how water moves within a plant.

Accepted Answer

A) True 
 B)False

Question 16

During photosynthesis in a leaf,sugars are loaded into the sieve tube by _____ followed by ______ to increase the pressure.

Accepted Answer

A)  osmosis,facilitated diffusion
B)  facilitated diffusion,osmosis
C)  gravity,active transport
D)  active transport,osmosis
E)  osmosis,gravityF) C) and D)
G) A) and E)

Question 17

The type of plant cell that provides support without interfering with growth and is familiar as the "strings in celery" is a

Accepted Answer

A)  sieve tube cell.
B)  collenchyma cell.
C)  parenchyma cell.
D)  sclerenchyma cell.
E)  guard cell.F) B) and C)
G) A) and B)

Question 18

The ________________ transport(s) dissolved organic compounds such as sugars from the leaves throughout the plant.

Accepted Answer

A)  phloem
B)  guard cells
C)  xylem
D)  epidermis
E)  stomataF) B) and C)
G) B) and D)

Question 19

Which letter corresponds to a nonvegetative part of the plant?

Accepted Answer

A)  H
B)  C
C)  G
D)  B
E)  DF) A) and B)
G) A) and C)

Question 20

In the section "Investigating Life: The Hidden Cost of Traps",what is the cost of being a carnivorous plant?

Accepted Answer

A)  reduced photosynthesis
B)  reduced respiration
C)  reduced mobility
D)  reduced nutrients
E)  reduced waterF) B) and D)
G) B) and C)

Exam 21: Plant Form and Function

Carnivorous plants exist only in science fiction.

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The type of plant cell that provides support without interfering with growth and is familiar as the "strings in celery" is a

Correct AnswerverifiedShow Answer

In the section "Investigating Life: The Hidden Cost of Traps",what is the cost of being a carnivorous plant?

Correct AnswerverifiedShow Answer

Water is pulled from a plant's roots to its leaves by transpiration.

Correct AnswerverifiedShow Answer

Carbon,hydrogen,and oxygen account for only about 50% of the dry weight of a plant.

Correct AnswerverifiedShow Answer

Soybeans will have several hundred Rhizobium nodules.A study in Minnesota found that soybeans grown without P2O5 fertilizer produced 23.0 bushels per acre,while adding 23 lbs of P2O5 per acre gave a yield of 37 bushels per acre.What is the best explanation for this observation?

Correct AnswerverifiedShow Answer

If a plant exhibits determinate growth,the plant

Correct AnswerverifiedShow Answer

Most carnivorous plants use their prey as a primary source of

Correct AnswerverifiedShow Answer

"P" is the chemical symbol for

Correct AnswerverifiedShow Answer

Which letter corresponds to a nonvegetative part of the plant?

Correct AnswerverifiedShow Answer

The cohesion-tension theory explains how water moves within a plant.

Correct AnswerverifiedShow Answer

During photosynthesis in a leaf,sugars are loaded into the sieve tube by _____ followed by ______ to increase the pressure.

Correct AnswerverifiedShow Answer

On a hot sunny day,which of the following would help protect a plant from water loss?

Correct AnswerverifiedShow Answer

A tomato,squash,or bean would be considered a fruit for which reason?

Correct AnswerverifiedShow Answer

In woody plants the vascular cambium produces xylem and the cork cambium produces phloem.

Correct AnswerverifiedShow Answer

The ________________ transport(s) dissolved organic compounds such as sugars from the leaves throughout the plant.

Correct AnswerverifiedShow Answer

Apoptosis is Greek for "dropping off" and refers to the programmed death of cells that attach the petiole to the stem.When these cells die in the fall,the leaves drop.Cells in which part of the plant are undergoing apoptosis?

Correct AnswerverifiedShow Answer

A collective term for all plant tissues outside the vascular cambium is

Correct AnswerverifiedShow Answer

Which of the following best describes a compound leaf?

Correct AnswerverifiedShow Answer

In many parts of the Everglades in Florida,excessive irrigation is lowering water levels and allowing salt water to enter the normally freshwater swamps.Why is this a problem for plants that have adapted to life in these swamps?

Correct AnswerverifiedShow Answer

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Soybeans will have several hundred Rhizobium nodules.A study in Minnesota found that soybeans grown without P₂O₅ fertilizer produced 23.0 bushels per acre,while adding 23 lbs of P₂O₅ per acre gave a yield of 37 bushels per acre.What is the best explanation for this observation?

Correct Answer
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During photosynthesis in a leaf,sugars are loaded into the sieve tube by _ followed by __ to increase the pressure.

Correct Answer
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