Question 1

Plants control the opening of stomata by actively transporting ________ into and out of the guard cells.

Accepted Answer

The answer of Plants control the opening of stomata by...

Question 2

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

Accepted Answer

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

Question 3

When potassium ion is transported into guard cells, water:

Accepted Answer

A)  is actively transported out of the cells.
B)  is actively transported into the cells.
C)  leaves by osmosis.
D)  enters by osmosis.
E)  moves to the edge of the cell.

Question 4

An onion bulb is made up of ________ that are specially adapted for food storage.

Accepted Answer

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

Question 5

Thin-walled, metabolically active cells of parenchyma typically form:

Accepted Answer

A)  phloem.
B)  xylem.
C)  cork.
D)  ground tissue.
E)  epidermis.

Question 6

Which of these tissues is between the epidermis and the vascular bundle in a young dicot stem?

Accepted Answer

A)  pith
B)  xylem
C)  cortex
D)  phloem
E)  ground tissue

Question 7

All the following are TRUE of xylem EXCEPT:

Accepted Answer

A)  tracheids and vessel elements are the two types of cells that form xylem.
B)  water and minerals are transported through xylem.
C)  companion cells provide nutrition for tracheids.
D)  tracheids contain pits.
E)  at maturity xylem is dead.

Question 8

Tree roots are a ________ of sugars in spring and a ________ in the fall.

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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

Question 11

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

Accepted Answer

A)  parenchyma.
B)  sclerenchyma.
C)  phloem.
D)  collenchyma.
E)  vessel members.

Question 12

Ground tissue is found in the primary plant only (never in the secondary plant). True or False?

Accepted Answer

A) True 
 B)False

Question 13

Under the influence of hormones, branch roots emerge from the ________ of a growing root.

Accepted Answer

A)  endodermis
B)  pericycle
C)  central cylinder
D)  epidermis
E)  Casparian strip

Question 14

You discover several woody bushes growing in your yard. Is it safe to assume that they are perennials? Why or why not?

Accepted Answer

Yes; woody secondary...

Question 15

Dermal tissue forms:

Accepted Answer

A)  vascular tissue.
B)  pith.
C)  xylem.
D)  epidermis.
E)  seeds.

Question 16

Water flows upward in some xylem tubes and downward in others. True or False?

Accepted Answer

A) True 
 B)False

Question 17

Which of these plant cells is alive but has no nucleus?

Accepted Answer

A)  companion cell
B)  parenchyma
C)  sieve-tube element
D)  vessel element
E)  collenchyma

Question 18

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

Accepted Answer

A)  plasmodesmata
B)  secondary cell walls
C)  sieve plates
D)  microtubules
E)  microfilaments

Question 19

The concentration of nutrients in plants is approximately the same as the concentration of nutrients in the surrounding soil. True or False?

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

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

Exam 43: Plant Anatomy and Nutrient Transport

Plants control the opening of stomata by actively transporting ________ into and out of the guard cells.

Correct AnswerverifiedShow Answer

You discover several woody bushes growing in your yard. Is it safe to assume that they are perennials? Why or why not?

Correct AnswerverifiedYes; woody secondary...View AnswerShow Answer

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

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

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

Correct AnswerverifiedShow Answer

Which of these plant cells is alive but has no nucleus?

Correct AnswerverifiedShow Answer

Dermal tissue forms:

Correct AnswerverifiedShow Answer

When potassium ion is transported into guard cells, water:

Correct AnswerverifiedShow Answer

All the following are TRUE of xylem EXCEPT:

Correct AnswerverifiedShow Answer

Which of these tissues is between the epidermis and the vascular bundle in a young dicot stem?

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

An onion bulb is made up of ________ that are specially adapted for food storage.

Correct AnswerverifiedShow Answer

The concentration of nutrients in plants is approximately the same as the concentration of nutrients in the surrounding soil. True or False?

Correct AnswerverifiedShow Answer

Thin-walled, metabolically active cells of parenchyma typically form:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Water flows upward in some xylem tubes and downward in others. True or False?

Correct AnswerverifiedShow Answer

Ground tissue is found in the primary plant only (never in the secondary plant). True or False?

Correct AnswerverifiedShow Answer

Under the influence of hormones, branch roots emerge from the ________ of a growing root.

Correct AnswerverifiedShow Answer

Tree roots are a ________ of sugars in spring and a ________ in the fall.

Correct AnswerverifiedShow Answer

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Yes; woody secondary...
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Tree roots are a of sugars in spring and a in the fall.

Correct Answer
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