Question 1

Monocots differ from eudicots in that monocots have

Accepted Answer

A)   two cotyledons in the seed.
B)   leaf veins that are parallel.
C)   flower parts in 4s or 5s.
D)   stem vascular bundles in a distinct ring.
E)   phloem in a root located between areas of xylem.F) None of the above
G) A) and B)

Question 2

Which of the following is the pathway for water transport in a plant?

Accepted Answer

A)   root hairs  →\rarr→  cortex  →\rarr→ vascular cylinder  →\rarr→  leaf cells
B)   root hairs  →\rarr→  pith  →\rarr→ endodermis  →\rarr→  xylem  →\rarr→ leaves
C)   epidermis  →\rarr→  cortex  →\rarr→ phloem  →\rarr→  root
D)   epidermis  →\rarr→  pericycle  →\rarr→ cortex  →\rarr→  xylem  →\rarr→ leaves
E)   root hairs  →\rarr→  endodermis  →\rarr→  leaves →\rarr→ xylem  →\rarr→  pith F) C) and E)
G) C) and D)

Question 3

Which statement about leaves is NOT correct?

Accepted Answer

A)   The photosynthetic mesophyll is made up of an upper spongy layer and a lower palisade layer.
B)   The epidermis is covered by a waxy layer of cuticle that reduces water loss.
C)   Gas exchange occurs through tiny openings in the leaf surface called stomata.
D)   Vascular tissue is arranged in a net pattern in eudicots and a parallel pattern in monocots.
E)   Regulation of gas exchange through the leaf is the responsibility of the guard cells.F) B) and C)
G) D) and E)

Question 4

Parasitic plants have specialized roots for invading a host plant's tissues.What are these roots called?

Accepted Answer

A)   adventitious
B)   taproots
C)   mycorrhizal
D)   fibrous
E)   haustoriaF) A) and D)
G) B) and C)

Question 5

Which of the following statements is NOT true about wood?

Accepted Answer

A)   In the temperate regions, wood forms annual rings.
B)   The vessels will be larger in size in the spring due to more moisture.
C)   The wood produced in the summer will have a lower proportion of vessels than wood produced in the spring.
D)   In large trees, the most recently formed layer of cells transports water.
E)   Heartwood transports water to the leaves throughout the life of the tree.F) A) and E)
G) A) and D)

Question 6

The waxy material known as the Casparian strip is found on the

Accepted Answer

A)   cuticle.
B)   xylem vessels.
C)   vascular cambium.
D)   endodermal cells.
E)   epidermal cells.F) B) and E)
G) A) and B)

Question 7

When you have waxed your car,rainfall makes very large droplets that roll around on the hood.This property where the water molecules stick together is known as

Accepted Answer

A)   adhesion.
B)   turgor pressure.
C)   cohesion.
D)   transpiration.
E)   negative pressure potential.F) A) and D)
G) A) and C)

Question 8

The function of meristematic tissue is

Accepted Answer

A)   production of new tissues.
B)   protection.
C)   transport.
D)   support.
E)   reproduction.F) A) and D)
G) A) and C)

Question 9

Which of the following is not true of primary and secondary growth?

Accepted Answer

A)   occur in woody stems
B)   increase both the length and girth of plants, respectively
C)   involve two types of meristem tissues
D)   occur in both woody and herbaceous stems
E)   occur in trees and shrubsF) B) and D)
G) A) and E)

Question 10

Evolutionary advantages of being "woody" include

Accepted Answer

A)   very little energy is required to produce wood.
B)   tall growth that allows greater leaf access to sunlight.
C)   less need for defense mechanisms against herbivores and parasites.
D)   not as affected by varying amounts of rainfall.
E)   can reproduce before several seasons pass.F) All of the above
G) C) and E)

Question 11

Which of the following is a reproductive structure of a plant?

Accepted Answer

A)   roots
B)   stems
C)   flowers
D)   leaves
E)   shoot systemF) B) and E)
G) A) and D)

Question 12

You can tell the age of a stem by counting the bud scale scars.

Accepted Answer

A) True 
 B)False

Question 13

The roots of many plants have a relationship with fungi called

Accepted Answer

A)   root nodules.
B)   root hairs.
C)   trichomes.
D)   adventitious roots.
E)   mycorrhizae.F) D) and E)
G) A) and E)

Question 14

Which cell found in phloem tissue has a nucleus?

Accepted Answer

A)   vessel element
B)   tracheids
C)   sieve-tube member
D)   guard cell
E)   companion cellF) D) and E)
G) None of the above

Question 15

If the pericycle in a plant was missing,what would be affected?

Accepted Answer

A)   There would be no branch roots.
B)   There would be no root hairs.
C)   There would be no xylem and phloem.
D)   The meristem would not be present.
E)   The root would not be able to store starches.F) B) and E)
G) A) and D)

Question 16

The role of mycorrhizae is to

Accepted Answer

A)   take up and reduce atmospheric nitrogen.
B)   improve the extraction of water and minerals from the soil.
C)   store food for the plant in the fungal bodies.
D)   increase vegetative reproduction.
E)   acquire oxygen for cellular respiration in root tissues.F) C) and D)
G) A) and E)

Question 17

Which of the following is NOT true about the cohesion-tension model of water transport?

Accepted Answer

A)   Water must completely fill the pipeline.
B)   Water molecules attract one another.
C)   Transpiration exerts a tension at the leaves.
D)   Water is transported in the phloem.
E)   Water must be attracted to the sides of the xylem.F) B) and C)
G) D) and E)

Question 18

The layer that makes the Casparian strip waterproof is made of

Accepted Answer

A)   meristem.
B)   cuticle.
C)   suberin and lignin.
D)   plasmodesmata.
E)   spongy layer.F) A) and D)
G) None of the above

Question 19

Cells of the ground tissue system are called

Accepted Answer

A)   epidermal cells.
B)   tracheids and vessel elements.
C)   sieve-tube members and companion cells.
D)   periderm and cork cells.
E)   parenchyma, collenchyma, and sclerenchyma cells.F) D) and E)
G) All of the above

Question 20

Your task in laboratory is to find cells that have projections to increase surface area for absorption of water and minerals.Which of the following slides would you use to find these cells?

Accepted Answer

A)   Eudicot woody stem slide
B)   Leaf slide of moncot or eudicot
C)   Monocot stem slide
D)   Root slide showing root cap
E)   Root slide showing zone of maturationF) A) and B)
G) None of the above

Exam 9: Plant Organization

Your task in laboratory is to find cells that have projections to increase surface area for absorption of water and minerals.Which of the following slides would you use to find these cells?

Correct AnswerverifiedShow Answer

If the pericycle in a plant was missing,what would be affected?

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The waxy material known as the Casparian strip is found on the

Correct AnswerverifiedShow Answer

The roots of many plants have a relationship with fungi called

Correct AnswerverifiedShow Answer

Which of the following is NOT true about the cohesion-tension model of water transport?

Correct AnswerverifiedShow Answer

Which of the following is the pathway for water transport in a plant?

Correct AnswerverifiedShow Answer

When you have waxed your car,rainfall makes very large droplets that roll around on the hood.This property where the water molecules stick together is known as

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true about wood?

Correct AnswerverifiedShow Answer

Which of the following is a reproductive structure of a plant?

Correct AnswerverifiedShow Answer

Parasitic plants have specialized roots for invading a host plant's tissues.What are these roots called?

Correct AnswerverifiedShow Answer

Which of the following is not true of primary and secondary growth?

Correct AnswerverifiedShow Answer

The function of meristematic tissue is

Correct AnswerverifiedShow Answer

Evolutionary advantages of being "woody" include

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Which cell found in phloem tissue has a nucleus?

Correct AnswerverifiedShow Answer

Cells of the ground tissue system are called

Correct AnswerverifiedShow Answer

Which statement about leaves is NOT correct?

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The layer that makes the Casparian strip waterproof is made of

Correct AnswerverifiedShow Answer

The role of mycorrhizae is to

Correct AnswerverifiedShow Answer

Monocots differ from eudicots in that monocots have

Correct AnswerverifiedShow Answer

You can tell the age of a stem by counting the bud scale scars.

Correct AnswerverifiedShow Answer

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