Question 1

Which of the following bonds explains the cohesion of water molecules in the cohesion- tension mechanism?

Accepted Answer

A)   Disulfide
B)   Covalent
C)   Peptide
D)   Ionic
E)   Hydrogen

Question 2

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

Question 3

Many root epidermal cells grow projections called , which extend from their surface and help in the absorption of water and minerals.

Accepted Answer

A)   villi
B)   rhizoids
C)   cilia
D)   root hairs
E)   rhizomes

Question 4

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

Accepted Answer

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

Question 5

If a tree's heartwood rots out, the tree will

Accepted Answer

A)   not survive because the active xylem is destroyed.
B)   be weaker than normal and more likely to blow over in a storm.
C)   replace the heartwood with sapwood to compensate for the damaged tissue.
D)   not survive because the active phloem is destroyed.

Question 6

What type of cell activity occurs in the meristem regions of plants?

Accepted Answer

A)   Mitosis
B)   Storage of sugar
C)   Secondary growth
D)   Photosynthesis
E)   Increased water uptake of cells

Question 7

Water loss through the stomata of leaves is called

Accepted Answer

A)   bulk flow.
B)   translocation.
C)   transpiration.
D)   osmosis.
E)   guttation.

Question 8

Parenchyma cells are located in all of the following structures EXCEPT the

Accepted Answer

A)   cortex.
B)   cuticle.
C)   mesophyll.
D)   pith.
E)   vascular tissues.

Question 9

In the spring, when stored starches convert back to sugars and move from the root of a plant to the developing buds, the root is the sugar and the bud is the sugar _.

Accepted Answer

The answer of In the spring, when stored starches convert...

Question 10

All of the following are part of a plant's shoot system EXCEPT

Accepted Answer

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

Question 11

All of the following are major functions of roots EXCEPT

Accepted Answer

A)   storing excess sugars.
B)   carrying out photosynthesis.
C)   producing hormones.
D)   transporting water and minerals.
E)   interacting with soil fungi.

Question 12

Cells that are alive, have thickened cell walls, and support the plant body are

Accepted Answer

A)   parenchyma cells.
B)   tracheids.
C)   vessel elements.
D)   collenchyma cells.
E)   sclerenchyma cells.

Question 13

Root hairs develop from the

Accepted Answer

A)   endodermis.
B)   epidermis.
C)   pericycle.
D)   Casparian strip.
E)   cortex.

Question 14

In summer, when plant roots are converting sugar to store as starch, the root is the sugar _ and the leaves are the sugar .

Accepted Answer

A)   source; source
B)   sink; sink
C)   source; sink
D)   sink; source or sink
E)   sink; source

Question 15

Diffusion doesn't require energy. Why do plants expend energy to actively transport minerals into root hairs?

Accepted Answer

A)   Mineral concentrations in the soil are too low for diffusion.
B)   Minerals are too large for diffusion.
C)   Minerals are strongly attracted to soil particles.
D)   Mineral concentrations in the soil are too high for diffusion.

Question 16

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

Accepted Answer

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

Question 17

You discover a plant that has unusual fruit around the seed and leaves with parallel veins. In which of the two major groups of flowering plants does it belong, and why?

Accepted Answer

A)   Monocots, because it has parallel veins
B)   Either monocot or dicot, depending on the presence or absence of flowers
C)   Neither monocot nor dicot, because it has fruits
D)   Dicots, because it has fruit around the seed

Question 18

Water and minerals are mainly absorbed from the soil through the

Accepted Answer

A)   pericycle.
B)   root cap.
C)   apical meristem.
D)   root hairs.
E)   epidermis of large woody roots.

Question 19

As a 7- year- old child, you helped your father nail a birdhouse 7 feet high on a 10- foot- tall maple tree. If the tree grew an average of 12 inches per year, except during a dry year when it grew only 2 inches, how high in the tree is the birdhouse when you are 18 years old?

Accepted Answer

A)   17 feet, 2 inches
B)   10 feet
C)   7 feet
D)   17 feet
E)   19 feet

Question 20

An opening in the epidermis of the leaf through which water evaporates is called a

Accepted Answer

A)   plasmodesmata.
B)   sieve plate.
C)   guard cell.
D)   pit.
E)   stoma.

Exam 44: Plant Anatomy and Nutrient Transport

Root hairs develop from the

Correct AnswerverifiedShow Answer

An opening in the epidermis of the leaf through which water evaporates is called a

Correct AnswerverifiedShow Answer

You discover a plant that has unusual fruit around the seed and leaves with parallel veins. In which of the two major groups of flowering plants does it belong, and why?

Correct AnswerverifiedShow Answer

In summer, when plant roots are converting sugar to store as starch, the root is the sugar _ and the leaves are the sugar .

Correct AnswerverifiedShow Answer

In the spring, when stored starches convert back to sugars and move from the root of a plant to the developing buds, the root is the sugar and the bud is the sugar _.

Correct AnswerverifiedShow Answer

As a 7- year- old child, you helped your father nail a birdhouse 7 feet high on a 10- foot- tall maple tree. If the tree grew an average of 12 inches per year, except during a dry year when it grew only 2 inches, how high in the tree is the birdhouse when you are 18 years old?

Correct AnswerverifiedShow Answer

Water and minerals are mainly absorbed from the soil through the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following bonds explains the cohesion of water molecules in the cohesion- tension mechanism?

Correct AnswerverifiedShow Answer

If a tree's heartwood rots out, the tree will

Correct AnswerverifiedShow Answer

Water loss through the stomata of leaves is called

Correct AnswerverifiedShow Answer

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

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 AnswerverifiedShow Answer

All of the following are part of a plant's shoot system EXCEPT

Correct AnswerverifiedShow Answer

Cells that are alive, have thickened cell walls, and support the plant body are

Correct AnswerverifiedShow Answer

All of the following are major functions of roots EXCEPT

Correct AnswerverifiedShow Answer

What type of cell activity occurs in the meristem regions of plants?

Correct AnswerverifiedShow Answer

Diffusion doesn't require energy. Why do plants expend energy to actively transport minerals into root hairs?

Correct AnswerverifiedShow Answer

Many root epidermal cells grow projections called , which extend from their surface and help in the absorption of water and minerals.

Correct AnswerverifiedShow Answer

Parenchyma cells are located in all of the following structures EXCEPT the

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified