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Where in the eudicot plant root would you expect to find vascular tissue?

In the center

Where would one find guard cells?

Among leaf epidermal cells

Which of the following is not a characteristic of parenchyma cells?

little metabolism and synthesis

Which of the following structures are found in both plant cells and animal cells?


Which plant part is a young sporophyte that lies dorman in the seed and is protected by the seed coat?


Which of the following correctly compares extracellular matrix of animal cells to walls of plant cells?

Both the ECM and plant cell wall are composed of varying mixtures of proteins and carbohydrates.

Which of the following is incorrectly paired with its structure and function?

Pericyle - waterproof ring of cells surrounding the central stele in roots

Which of the following is closest to the center of a woody stem?

old xylem

Which of the following is NOT a part of the ground tissue system?

sieve tube members

Which of the following characteristics is true of flowering plants?

All of the choices are true

Which of the following is a type of root?

All of the choices are correct

Which of the following is a feature eudicots, but not monocots?

netted venation

Which of the following best distinguishes between annuals, biennials, and perennials?

the time from seed germination to seed production

Which of the following is produced directly by the stem apical meristem (SAM)?


Which part of a plant absorbs most of the water and minerals taken up from the soil?

Root hairs

What effect does "pinching back" have on a houseplant?

produces a plant that will grow fuller

What is the difference between the root epidermis and the shoot epidermis?

On the shoot epidermis produces a waxy cuticle

What tissue makes up most of the wood of a tree?

secondary xylem

Which of the following are dead at maturity?

Tracheids and vessel elements

Which of the following is the correct sequence from the growing tops of the root upward?


Which is NOT a type of root?


Which would be least useful in figuring out whether a plant is a monocot or a dicot?

size at maturity

Cell expansion involves which of the following components?

Expansion of cellulose microfibrils

You are studying a plant from the arid southwestern U.S. Which of the following adaptations is least likely to have evolved in response to water shortages?

Development of large leaf surfaces to absorb water

Suppose George Washington completely removed the bark from around the base of a cherry tree but was stopped by his father before cutting the tree down. The leaves retained their normal appearance for several weeks, but the tree eventually died. The tissue that George left function was the


The genes that initiate flower formation are

floral meristem identity genes

The production of root hairs is mostly dependent on which of the following influences?

Position of an epidermal cell

The fiber cells of plants are a type of


The vascular system of a three year old eudicot stem consists of

3 rings of xylem and 1 of phloem

The photosynthetic cells in the interior of a leaf are what kind of cells?


The protective layer that covers the apical meristem of a root and may aid in orientation is called the

root cap

The definition of simple primary tissues is that they are composed of which of the following?

one or two simple cell types

The protoderm of the apical meristem generates what cell types?

trichomes, guard cells, and epidermal cells

The genes that initiate flower formation are

floral meristem identity genes

The ground meristem gives rise to which of the following?

All of the choices are correct

The driving force that pushes the root tip through the soil is due primarily to

elongation of cells behind root apical meristem

The term herbaceous implies that a plant

has not developed a secondary or vascular cambium

A student examining leaf cross sections under a microscope find many loosely packed cells with relatively thin cells. The cells have numerous chloroplasts. What type of cells are these?


A vascular bundle:

contains xylem and phloem

A region of cell division in a plant is called a


Arrange the structures found in a typical leaf blade from inside to outside.

Vascular bundle, mesophyll, epidermis

Artichoke hearts are tender and tasty, the leaves are too, but most of an artichoke leaf is fibrous and impossible to chew. The leaves must contain lots of

sclerenchyma cells

According to the ABC model of floral development, a showy ornamental flower with multiple sepals and petals but no stamens or carpels would express

A and B genes only

A cross section of part of a plant exposes epidermix, a thick cortex, and a central cylinder of xylem and phloem. This part is the


A short branch was cut into three segments as shown in figure to some cuttings. Roots will form at which positions?

A, C, and E

A root hair is

An extension of an individual cell and structure that absorbs water from soil

Plants grow by primary and secondary mechanisms. Choose the correct description of a mechanism and its result.

Primary and secondary growth are required to produce woody plants.

Plant embryos grow into seedinglys by adding new cells at only 2 growth points which are called

shoot and root apical meristems

Procambium ultimately gives rise to

primary and secondary xylem and primary and secondary phloem shoot and root apical meristems

Primary meristems are located in the ___ of the plant

root and stem tips

Pores on the leaf surface that function in gas exchange are called


Lateral roots in seed plants are initiated by cell division in the


Intermediate growth is a characteristic of which of the following plant organs?

shoots and roots

If you were able to walk into an opening cut into the center of a large redwood tree, when you exit from the middle of the trunk (stem) outwards, you would cross, in order

the annual rings, phloem, and bark

If a cross section of a eudicot herbaceous stem were compared with the cross sectino of its root the primary difference would be

location of vascular tissue

In most leaves, chloroplast containing cells are most closely compacted in

the mesophyll

Bark becomes scarly because

cork cambium divides only parallel to the surface, and thus does not increase in circumference

Both tracheids and fibers

have lignified cell walls

Before differentiation can begin during the processes of plant cell and tissue culture, paraenchyma cells from that source tissue must

undergo dedefferentation

Vascular plant tissue includes all of the following cell types except

cambium cells

Experiments involving the peptide known as CLAVATA3 were carried out to determine which of the following?

The influence of CLAVATA3 on peripheral zone cell development

Stomata pores function to allow which of the following?

All of the choices are correct

Shoot elongation in a growing bud is due primarily to

cell elongation localized in each internode

Secondary phloem in the root develops from the

vascular cambium

Features associated with the leaf epidermis are

All of the choices are correct

Monocot stems differ from dicot stems in that

In cross section the vascular bundles of monocots have a complex arrangement, whereas in dicots the vascular bundles are arranged in a circle

Most lengthwise growth of root tip into soil results mainly from

elongation of cells

Guard cells

control the rate of transpiration

Leaves occur at intervals along the plant stem. The region where a leaf is attached to the stem is the


one important difference between the anatomy of roots and the anatomy of leaves is that

a waxy cuticle cover leaves but is absent in roots

In a large, old tree, which one of the following provides the MOST physical support?


All of the following cell types are correctly matched with their functions except

companion cell--formation of secondary xylem and phloem

The mesophyll of the leaf has which of the following characteristics?

It is made up of palisade and spongy parenchyma cells

What tissue makes up most of the wood of a tree?

secondary xylem

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