Question 1

Fiber cells are commonly found in

Accepted Answer

A)  collenchyma. 
B)  parenchyma. 
C)  epidermis. 
D)  xylem. 
E)  periderm. 
A)  collenchyma. 
B)  parenchyma. 
C)  epidermis. 
D)  xylem. 
E)  periderm.

Question 2

The primary function of sieve tubes is conduction of sugar.

Accepted Answer

A) True 
 B)False

Question 3

Which cell type has a thick and lignified cell wall?

Accepted Answer

A)  parenchyma 
B)  sieve tube member. 
C)  collenchyma 
D)  sclereid 
E)  trichome 
A)  parenchyma 
B)  sieve tube member. 
C)  collenchyma 
D)  sclereid 
E)  trichome

Question 4

The porous regions of sieve-tube elements are called sieve plates.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following may be secreted by secretory cells?

Accepted Answer

A)  nectar 
B)  oils 
C)  mucilage 
D)  resins 
E)  all of these answers are correct 
A)  nectar 
B)  oils 
C)  mucilage 
D)  resins 
E)  all of these answers are correct

Question 6

Underground epidermal cells may have the exterior cell wall extended into a long, thin thread-like structure called ____________.

Accepted Answer

A)  a glandular hair 
B)  a secretory cell 
C)  a root hair 
D)  lenticels 
E)  cuticle 
A)  a glandular hair 
B)  a secretory cell 
C)  a root hair 
D)  lenticels 
E)  cuticle

Question 7

Secretory cells release substances that have been produced in the protoplasm.

Accepted Answer

A) True 
 B)False

Question 8

In which location would an intercalary meristem be found?

Accepted Answer

A)  apical regions 
B)  base of grass leaves 
C)  tips of leaves 
D)  tips of roots 
E)  shoot tips 
A)  apical regions 
B)  base of grass leaves 
C)  tips of leaves 
D)  tips of roots 
E)  shoot tips

Question 9

The epidermis is a complex tissue because the epidermis has different functions in the root and leaves.

Accepted Answer

A) True 
 B)False

Question 10

Albuminous cells function in the same manner as companion cells.

Accepted Answer

A) True 
 B)False

Question 11

Guard cells differ from other epidermal cells in having

Accepted Answer

A)  uniformly thickened walls. 
B)  no nucleus. 
C)  chloroplasts. 
D)  surface hairs. 
E)  large pores in the walls. 
A)  uniformly thickened walls. 
B)  no nucleus. 
C)  chloroplasts. 
D)  surface hairs. 
E)  large pores in the walls.

Question 12

The function of companion cells is:

Accepted Answer

A)  to conduct food from one part of the plant to another 
B)  to aid the associated sieve tube members with its cellular activities. 
C)  to conduct water and minerals from one part of the plant to another. 
D)  to conduct food laterally. 
E)  to do all of the functions listed above. 
A)  to conduct food from one part of the plant to another 
B)  to aid the associated sieve tube members with its cellular activities. 
C)  to conduct water and minerals from one part of the plant to another. 
D)  to conduct food laterally. 
E)  to do all of the functions listed above.

Question 13

Leaves and primary stems interface with the environment through the _______________ tissue.

Accepted Answer

A)  vascular 
B)  parenchyma 
C)  secretory tissues 
D)  epidermal tissues 
E)  aerenchyma tissue 
A)  vascular 
B)  parenchyma 
C)  secretory tissues 
D)  epidermal tissues 
E)  aerenchyma tissue

Question 14

Stone cells and fibers have relatively thick walls.

Accepted Answer

A) True 
 B)False

Question 15

What cell type is NOT found in the xylem of flowering plants?

Accepted Answer

A)  vessel elements 
B)  ray cells 
C)  fibers 
D)  companion cells 
E)  tracheids 
A)  vessel elements 
B)  ray cells 
C)  fibers 
D)  companion cells 
E)  tracheids

Question 16

Sieve-tube elements have pairs of pits in their end walls.

Accepted Answer

A) True 
 B)False

Question 17

Some epidermal cells may be modified as glands.

Accepted Answer

A) True 
 B)False

Question 18

The cuticle is located on the inside of epidermal cell walls.

Accepted Answer

A) True 
 B)False

Question 19

Companion cells are found adjacent to vessel elements.

Accepted Answer

A) True 
 B)False

Question 20

The fatty substance in the walls of cork cells is

Accepted Answer

A)  cutin. 
B)  latex. 
C)  suberin. 
D)  pectin. 
E)  cellulose. 
A)  cutin. 
B)  latex. 
C)  suberin. 
D)  pectin. 
E)  cellulose.

Exam 4: Tissues

Fiber cells are commonly found in

The primary function of sieve tubes is conduction of sugar.

Which cell type has a thick and lignified cell wall?

The porous regions of sieve-tube elements are called sieve plates.

Which of the following may be secreted by secretory cells?

Underground epidermal cells may have the exterior cell wall extended into a long, thin thread-like structure called ____________.

Secretory cells release substances that have been produced in the protoplasm.

In which location would an intercalary meristem be found?

The epidermis is a complex tissue because the epidermis has different functions in the root and leaves.

Albuminous cells function in the same manner as companion cells.

Guard cells differ from other epidermal cells in having

The function of companion cells is:

Leaves and primary stems interface with the environment through the _______________ tissue.

Stone cells and fibers have relatively thick walls.

What cell type is NOT found in the xylem of flowering plants?

Sieve-tube elements have pairs of pits in their end walls.

Some epidermal cells may be modified as glands.

The cuticle is located on the inside of epidermal cell walls.

Companion cells are found adjacent to vessel elements.

The fatty substance in the walls of cork cells is

What Is Plant Biology

The Nature of Life

Cells

Roots and Soils

Stems

Leaves

Flowers, Fruits, and Seeds

Water in Plants

Plant Metabolism

Growth

Meiosis and Alternation of Generation

Genetics

Plant Breeding and Propagation

Evolution

Plant Names and Classification

Domain Kingdombacteria, Domain King-Domarchaea, and Viruses

Kingdom Protista

Kingdom Fungi

Introduction to the Plant Kingdom: Bryophytes

The Seedless Vascular Plants: Ferns and Their Relatives

Introduction to Seed Plants: Gymnosperms

Seed Plants: Angiosperms

Flowering Plants and Civilization

Ecology

Biomes

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