Question 1

What cellular feature allows a mineral such as manganese to diffuse from cell to cell after being taken up by roots?

Accepted Answer

A)   Microtubules
B)   Plasmodesmata
C)   Secondary cell walls
D)   Microfilaments
E)   Sieve plates

Question 2

An onion bulb is made up of_________ that are specially adapted for food and water storage.

Accepted Answer

A)   roots
B)   branches
C)   flowers
D)   leaves
E)   stems

Question 3

Most of a carrot, which is adapted for carbohydrate storage, is

Accepted Answer

A)   cortex.
B)   pericycle.
C)   xylem.
D)   phloem.
E)   endodermis.

Question 4

All of the following are part of a plantʹs shoot system EXCEPT

Accepted Answer

A)   leaves.
B)   flowers.
C)   mycorrhizae.
D)   stem.
E)   buds. C

Question 5

What type of tissue transports sugars (the product of photosynthesis)  throughout the plant?

Accepted Answer

A)   Xylem
B)   Phloem
C)   Collenchyma
D)   Endodermis
E)   Parenchyma

Question 6

Which of the following is the correct order of the tissues in a young dicot stem, from the center of the stem outward?

Accepted Answer

A)   Cortex → xylem → vascular cambium → phloem → pith → epidermis
B)   Cortex → vascular cambium → xylem → phloem → epidermis → pith
C)   Pith → phloem → cortex → xylem → vascular cambium → epidermis
D)   Pith → cortex → phloem → xylem → vascular cambium → epidermis
E)   Pith → xylem → vascular cambium → phloem → cortex → epidermis E

Question 7

In the stems of plants, where is sugar converted to starch and stored as a food reserve?

Accepted Answer

A)   Central vascular cylinder
B)   Sclerenchyma
C)   Parenchyma cells in both the cortex and pith
D)   Collenchyma associated with xylem cells
E)   Mesophyll layer

Question 8

Trees are among the largest and oldest living things on Earth. Like all life on Earth, the majority of a treeʹs biomass is carbon based. What is the source of this carbon?

Accepted Answer

A)   Fertilizers
B)   Crushed rock and water
C)   Air
D)   Water
E)   The organic layer of the soil

Question 9

Most of the interior of a leaf consists of soft, thin -walled, living _________cells.

Accepted Answer

A)   guard
B)   collenchyma
C)   sclerenchyma
D)   epidermal
E)   parenchyma

Question 10

On a stem, branches grow and develop from___________ , whereas on the roots, branches grow and develop from the___________.

Accepted Answer

lateral bu...

Question 11

What would happen if Casparian strips were not present and water and minerals could pass between endodermal cells of the plant root rather than through endodermal cells?

Accepted Answer

A)   The minerals would enter the conduction vessels of the vascular cylinder much more rapidly.
B)   An increased concentration gradient of the minerals in the extracellular space of the vascular cylinder would be better maintained.
C)   Minerals would leak back out of the extracellular space of the vascular cylinder as fast as they were pumped into it.
D)   Root hairs would lose their ability to take up minerals.
E)   Too much energy would be needed to move the minerals between endodermal cells.

Question 12

The most widely accepted explanation for the transport of sugar-containing fluids in phloem is the ___________mechanism.

Accepted Answer

A)   cohesion-tension
B)   root pressure
C)   bulk flow
D)   pressure-flow
E)   transpiration

Question 13

Which essential plant nutrient regulates the opening and closing of pores in the leaves?

Accepted Answer

A)   Copper
B)   Potassium
C)   Phosphorus
D)   Calcium
E)   Iron

Question 14

Water flows upward in some xylem tubes and downward in others.

Accepted Answer

A) True 
 B)False  False

Question 15

Where are apical meristems located?

Accepted Answer

A)   Scattered throughout the plant
B)   At the tips of roots, shoots, and branches
C)   Between the xylem and the phloem
D)   In cylinders along the side of the root
E)   In clusters in the parenchyma

Question 16

You found the following plants growing on campus during a field trip: a small plant with a notable absence of root hairs; a short, stubby plant with an enlarged taproot; a tall annual herb with fungal strands extending from its roots; a low -growing plant with nodules on the roots; and a woody shrub with an extensive fibrous root system. Based on this scenario, which plant is most likely a legume with nitrogen -fixing bacteria?

Accepted Answer

A)   The plant with the enlarged taproot
B)   The woody shrub with the fibrous root system
C)   The plant with the root nodules
D)   The annual herb with the fungal-root association
E)   The plant with no root hairs

Question 17

Which of the following characteristics helps differentiate between a monocot and a dicot?

Accepted Answer

A)   Number of flower parts
B)   Presence or absence of an apical meristem
C)   Presence or absence of pollen grains
D)   Seeds covered by a fruit
E)   Presence of vascular tissue

Question 18

On the tip of the root, the apical meristem forms the_________ , which prevents the meristem from being worn away as it pushes through the soil.

Accepted Answer

A)   cortex
B)   endodermis
C)   epidermis
D)   root cap
E)   pericycle

Question 19

You discovered an unidentified weed and cut it almost to the ground with the lawn mower. Soon it grows as tall as it was before you cut it. This growth is likely due to which growth region?

Accepted Answer

A)   Root apical meristem
B)   Cork cambium
C)   Shoot apical meristem
D)   Vascular cambium
E)   Lateral bud meristem

Question 20

With regard to the cohesion-tension mechanism, ʺcohesionʺ refers to the

Accepted Answer

A)   tendency of water molecules to be attracted to minerals in the water.
B)   evaporation of water from the stomata of the leaf.
C)   process of osmosis that pulls water into the root.
D)   attraction of water molecules for one another.
E)   use of water in photosynthesis, resulting in a shortage of water in the leaf.

Exam 44: Plant Anatomy and Nutrient Transport

What cellular feature allows a mineral such as manganese to diffuse from cell to cell after being taken up by roots?

Correct Answer
verified

An onion bulb is made up of_________ that are specially adapted for food and water storage.

Correct Answer
verified

Most of a carrot, which is adapted for carbohydrate storage, is

Correct Answer
verified

All of the following are part of a plantʹs shoot system EXCEPT

Correct Answer
verified
C

What type of tissue transports sugars (the product of photosynthesis) throughout the plant?

Correct Answer
verified

Which of the following is the correct order of the tissues in a young dicot stem, from the center of the stem outward?

Correct Answer
verified
E

In the stems of plants, where is sugar converted to starch and stored as a food reserve?

Correct Answer
verified

Trees are among the largest and oldest living things on Earth. Like all life on Earth, the majority of a treeʹs biomass is carbon based. What is the source of this carbon?

Correct Answer
verified

Most of the interior of a leaf consists of soft, thin -walled, living _________cells.

Correct Answer
verified

On a stem, branches grow and develop from_ , whereas on the roots, branches grow and develop from the_.

Correct Answer
verified
lateral bu...
View Answer

What would happen if Casparian strips were not present and water and minerals could pass between endodermal cells of the plant root rather than through endodermal cells?

Correct Answer
verified

The most widely accepted explanation for the transport of sugar-containing fluids in phloem is the ___________mechanism.

Correct Answer
verified

Which essential plant nutrient regulates the opening and closing of pores in the leaves?

Correct Answer
verified

Water flows upward in some xylem tubes and downward in others.

Correct Answer
verified
False

Where are apical meristems located?

Correct Answer
verified

Correct Answer
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Which of the following characteristics helps differentiate between a monocot and a dicot?

Correct Answer
verified

On the tip of the root, the apical meristem forms the_________ , which prevents the meristem from being worn away as it pushes through the soil.

Correct Answer
verified

You discovered an unidentified weed and cut it almost to the ground with the lawn mower. Soon it grows as tall as it was before you cut it. This growth is likely due to which growth region?

Correct Answer
verified

With regard to the cohesion-tension mechanism, ʺcohesionʺ refers to the

Correct Answer
verified

Exam 44: Plant Anatomy and Nutrient Transport

What cellular feature allows a mineral such as manganese to diffuse from cell to cell after being taken up by roots?

Correct AnswerverifiedShow Answer

An onion bulb is made up of_________ that are specially adapted for food and water storage.

Correct AnswerverifiedShow Answer

Most of a carrot, which is adapted for carbohydrate storage, is

Correct AnswerverifiedShow Answer

All of the following are part of a plantʹs shoot system EXCEPT

Correct AnswerverifiedC

What type of tissue transports sugars (the product of photosynthesis) throughout the plant?

Correct AnswerverifiedShow Answer

Which of the following is the correct order of the tissues in a young dicot stem, from the center of the stem outward?

Correct AnswerverifiedE

In the stems of plants, where is sugar converted to starch and stored as a food reserve?

Correct AnswerverifiedShow Answer

Trees are among the largest and oldest living things on Earth. Like all life on Earth, the majority of a treeʹs biomass is carbon based. What is the source of this carbon?

Correct AnswerverifiedShow Answer

Most of the interior of a leaf consists of soft, thin -walled, living _________cells.

Correct AnswerverifiedShow Answer

On a stem, branches grow and develop from___________ , whereas on the roots, branches grow and develop from the___________.

Correct Answerverifiedlateral bu...View AnswerShow Answer

What would happen if Casparian strips were not present and water and minerals could pass between endodermal cells of the plant root rather than through endodermal cells?

Correct AnswerverifiedShow Answer

The most widely accepted explanation for the transport of sugar-containing fluids in phloem is the ___________mechanism.

Correct AnswerverifiedShow Answer

Which essential plant nutrient regulates the opening and closing of pores in the leaves?

Correct AnswerverifiedShow Answer

Water flows upward in some xylem tubes and downward in others.

Correct AnswerverifiedFalse

Where are apical meristems located?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following characteristics helps differentiate between a monocot and a dicot?

Correct AnswerverifiedShow Answer

On the tip of the root, the apical meristem forms the_________ , which prevents the meristem from being worn away as it pushes through the soil.

Correct AnswerverifiedShow Answer

You discovered an unidentified weed and cut it almost to the ground with the lawn mower. Soon it grows as tall as it was before you cut it. This growth is likely due to which growth region?

Correct AnswerverifiedShow Answer

With regard to the cohesion-tension mechanism, ʺcohesionʺ refers to the

Correct AnswerverifiedShow Answer

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C

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E

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On a stem, branches grow and develop from_ , whereas on the roots, branches grow and develop from the_.

Correct Answer
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lateral bu...
View Answer

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False

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