Botany test chapter 4

Which of the following may be secreted by secretory cells? A)oils B)nectar C)mucilage D)resins E)All of these answers are correct.

All of these answers are correct.

Underground epidermal cells may have the exterior cell wall extended into a long, thin thread-like structure called ________. A)cuticle B)lenticels C)a secretory cell D)a root hair E)a glandular hair

a root hair

A tissue composed of thin-walled cells with interconnecting air spaces between them is called A)collenchyma. B)secretory tissue. C)aerenchyma. D)sclerenchyma. E)chlorenchyma.

aerenchyma.

Primary tissues can be traced to their origin in A)vascular cambium. B)lateral meristems. C)apical meristems. D)intercalary meristems. E)cork cambium.

apical meristems

In which location would an intercalary meristem be found? A)apical regions B)tips of roots C)shoot tips D)tips of leaves E)base of grass leaves

base of grass leaves

Which is a type of epidermal cell? A)trichome B)both guard cell and trichome are correct C)guard cell D)cork cell E)collenchyma

both guard cell and trichome are correct

Guard cells differ from other epidermal cells in having A)large pores in the walls. B)uniformly thickened walls. C)no nucleus. D)surface hairs. E)chloroplasts.

chloroplasts.

Which of the following tissues has support as one of its primary functions? A)phloem B)vascular cambium C)collenchyma D)cork cambium E)parenchyma

collenchyma

What cell type is NOT found in the xylem of flowering plants? A)fibers B)tracheids C)ray cells D)companion cells E)vessel elements

companion cells

Which of the following is a meristematic tissue? A)collenchyma B)parenchyma C)epidermis D)cork cambium E)xylem

cork cambium

In woody dicots, the periderm eventually replaces A)parenchyma B)phloem. C)epidermis. D)xylem. E)lenticels

epidermis.

Based on the structures of tracheids and vessels, you would expect water transport to be faster in tracheids than in vessels. The vessel elements of xylem have adjacent companion cells that aid in the conduction of water true or false?

false

Chlorenchyma tissue is composed primarily of collenchyma cells. true or false?

false

Companion cells are found adjacent to vessel elements true or false

false

In woody plants most of the vascular tissues are produced by the cork cambium true or false?

false

Periderm is another name for epidermis true or false?

false

Sieve-tube elements have pairs of pits in their end walls true or false

false

Which of the following is a type of sclerenchyma cell? A)sieve-tube element B)companion cell C)fiber D)ray cell E)procambium cell

fiber

You would expect to find collenchyma cells in the A)in herbaceous stems, just underneath the epidermis B)in xylem tissue of woody trees C)center of the root. D)apical meristem. E)Both apical meristem and xylem of woody plants are correct.

in herbaceous stems, just underneath the epidermis

Primary meristems produce tissues that ________. A)increase the length of a plant B)produce the cork cambium C)increase the width of a plant D)lead to the production of bark E)increase the mass of a plant

increase the length of a plant

Rays function primarily in A)waste storage. B)lateral transport. C)water storage. D)food manufacture. E)vertical transport.

lateral transport

The tiny cavity at the center of fiber and stone cells is called a A)water-storage area. B)vacuole. C)food pocket. D)lumen. E)air space.

lumen

In grasses and related plants, intercalary meristems are found in the vicinity of A)cuticles. B)leaf tips. C)axillary buds. D)roots. E)nodes.

nodes

Simple tissues such as ________ are composed of a single type of cell. A)parenchyma B)secretory tissues C)phloem D)epidermis E)cork

parenchyma

A cell type that has thin primary cell walls, a large vacuole, and is living at maturity is a A)fiber. B)tracheid. C)vessel. D)sclereid. E)parenchyma cell.

parenchyma cell.

The tissue in which lenticels are formed is A)collenchyma. B)epidermis. C)cork cambium. D)periderm. E)chlorenchyma.

periderm

Which of the following tissues has sugar conduction as a primary function? A)collenchyma B)phloem C)epidermis D)sclerenchyma E)parenchyma

phloem

Which tissue is derived from the apical meristem? A)secondary phloem B)secondary xylem C)protoderm D)periderm E)cork cambium

protoderm

What is the function of collenchyma tissue? A)metabolism B)conduction of food C)photosynthesis D)provide strength to growing organs E)prevent water loss

provide strength to growing organs

Which cell type has a thick and lignified cell wall? A)collenchyma B)sieve tube member C)trichome D)parenchyma E)sclereid

sclereid

Which is a type of sclerenchyma cell? A)collenchyma B)sclereid C)guard cell D)tracheid E)sieve tube

sclereid

Which of the following cells has a relatively thick wall? A)sieve-tube element B)companion cell C)sclereid D)vascular cambium cell E)parenchyma cell

sclereid

Lignin is found primarily in A)sclerenchyma. B)parenchyma. C)aerenchyma. D)chlorenchyma. E)collenchyma.

sclerenchyma

The porous cell wall regions of food-conducting cells are called A)ray initials. B)pits. C)sieve plates. D)sieve tubes. E)albuminous cells.

sieve plates

In forming the sieve tube, one sieve tube element is connected to another sieve tube element by A)bordered pits B)pits. C)stomata D)perforations E)sieve pores.

sieve pores.

The fatty substance in the walls of cork cells is A)latex. B)cutin. C)cellulose. D)suberin. E)pectin.

suberin

Groups of cells that have a similar structure or common function are called ________ A)meristems. B)primary meristems. C)tissues. D)differentiated cells. E)secondary meristems.

tissues.

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

to aid the associated sieve tube members with its cellular activities

Parenchyma cells that develop irregular extensions of the cell wall that greatly increase the surface area are called A)tracheids. B)lenticels. C)sclereids. D)transfer cells. E)aerenchyma.

transfer cells

Some epidermal cells may be modified as glands true or false?

true

Stone cells and fibers have relatively thick walls. ture or false?

true

The different primary meristems produce cells which will develop and mature into different tissues true or false/

true

The porous regions of sieve-tube elements are called sieve plates. true or false?

true

The primary function of sieve tubes is conduction of sugar true or false?

true

The vascular cambium produces tissues that increase the girth of a plant true or false?

true

Wood (woody tissues) are produced by______. A)callus tissue B)cork cambium C)apical meristems D)vascular cambium E)procambium

vascular cambium

Conducting cells that are open at either end include A)stone cells. B)parenchyma cells. C)sieve cells. D)fibers. E)vessel elements.

vessel elements

Vessels (or vessel members) are different from tracheids because A)vessels conduct water, tracheids conduct sugars. B)vessels are living cells, tracheids are dead cells. C)vessels conduct sugars, tracheids conduct water. D)vessels have perforated end walls, tracheids do not .E)vessels have smooth walls, tracheids have perforated end walls.

vessels have perforated end walls, tracheids do not

A primary function of tracheids is A)food storage. B)food conduction. C)water storage. D)secretion of latex. E)water conduction.

water conduction.

Fiber cells are commonly found in A)epidermis. B)collenchyma. C)xylem. D)periderm. E)parenchyma.

xylem.