Plant Biology (Module 5-8)

Sun and shade leaves can be found on the same plant.

Which of the following statements about the rootcap is false?

The outermost layer of a root’s vascular cylinder is the:

A succulent leaf is one that is specialized for:

Which of the following statements about Casparian strips is false?

All substances entering the vascular cylinder must pass through living cells of the endodermis.

An example of a simple tissue is the xylem.

Plants that are characterized as xerophytes:

After you transplant a shrub, what is the next step you should do to increase the chances that the shrub will survive:

Casparian strips force substances entering & leaving the vascular cylinder to pass through the protoplasts of ___ cells?

Which statement is NOT true of the epidermis of a plant?

In angiosperms, cells of the ______ and the ______ contribute to lateral root formation.

In the angiosperm shoot apex, the corpus and overlying tunica constitute the:

A leaf having a rachis is a ______ leaf.

Stems with closed vascular bundles are capable of secondary growth.

The innermost layer of the cortex is the:

A pneumatophore is:

In the transition region, there is a significant interruption between the vascular tissues of the root & the shoot.

Parenchyma cells are usually dead at maturity.

Compared with sun leaves, shade leaves:

A spine is a modified:

In the center of maize roots is:

A stolon is different from a rhizome in that a stolon:

In the stem of a eudicot, cortex is the tissue internal to the vascular strands.

The sequence of regions in a growing root, beginning immediately behind the rootcap, is:

Collenchyma and sclerenchyma cells share what common function?

The ______ occupies the greatest area of the primary root.

Collenchyma is composed of elongated cells that have unevenly thickened primary walls.

Extensions of vascular tissues into the leaves from the stem are called:

A prickle is a modification of:

Primary growth refers to the growth of the embryo; secondary growth refers to the growth of the seedling.

In gymnosperms and eudicots, the primary root is called the:

Casparian strips are located in the anticlinal walls of endodermal cells.

The increase in the size of most plants results in more from cell division than from cell enlargement.

Substances moving through the root cortex:

The two primary functions of roots are:

The phellem produces both cork and phelloderm.

By definition, a plant having leaflets has simple leaves.

The edible portion of an Irish potato is a:

In most monocots, the base of the leaf is expanded into a ______.

In the Sambucus stem, phloem differentiates toward the ______ and xylem differentiates toward the ____.

The quiescent center contains cells that cease to divide when bordering meristematic cells are injured.

Tracheids are tracheary elements found in angiosperms but not gymnosperms.

A sessile leaf, by definition, lacks a ______.

Which of the following statements about palisade parenchyma is false?

Which of the following statements about the leaf epidermis is false?

Most tendrils are modified:

______ has a stem with scattered vascular bundles.

Leaves that lack a petiole are said to be sessile.

A bud is found in the axil of a leaf, not a leaflet.

In most monocot but not eudicot stems, it is possible to distinguish cortex from pith.

Sieve elements must be living in order to transport food.

Sieve-tube elements lack sieve plates.

Obstruction of water flow by air bubbles is more likely to occur in vessel elements than in tracheids.

The epidermis replaces the periderm in stems and roots undergoing secondary growth.

Which of these plant tissue types most closely corresponds to the "typical" unspecialized plant cell?

When you slice an onion you are cutting through the leaves of a bud.

A plant with helical phyllotaxy has:

A leaf trace extends between the leaf and a:

Bulliform cells are epidermal cells that occur in longitudinal rows.

Which of the following statements about monocot roots is false?

The type of vascular tissue cells that are specialized to conduct sugars and other metabolic products are called ___.

Unlike the leaves of eudicots, most monocot leaves:

The cells marked "?" are:

Which of the following statements about the transition region and its formation is false?

Which of the following statements about bulliform cells is false?

In general, vascular tissues are embedded within ground tissue, and the dermal tissue forms a surrounding layer.

Parenchyma cells are totipotent.

The endodermis is found in the outermost layer of cells of the cortex.

Which of the following is NOT part of a phytomere?

Sclereids are sclerenchyma cells that are generally long and slender.

The walls of epidermal cells on the aerial parts of the plant are covered with a waxy cuticle.

Lateral roots originate from cells of the vascular cambium.

Prop roots are types of lateral roots common in tropical trees.

Parenchyma can store water.

By regulating stomata, guard cells control the movement of gases into and out of the plant.

Hemp, jute, and flax are composed of sclerenchyma cells.

Leaf-blades are produced through the activity of marginal blastozones.

Most eudicot leaves have netted venation.

Endodermal cells that do not become suberized in older roots are called ______ cells.

Which of the following tissues makes up the majority of the interior of a herbaceous plant?

Which of the following events is NOT associated with leaf abscission?

Vessel elements have perforation plates, but tracheids do not.

Which of the following statements about the Ranunculus stem is false?

Which of the following correctly pairs a meristem with a tissue derived from that meristem

A stilt root is an example of a(n):

Gravity- and water-potential gradients are perceived by the:

Which of the following statements about the Tilia stem is false?

Root hairs are produced in the:

A bulb is different from a corm in that a bulb:

A stolon is a modified, aboveground root.

When you eat celery and rhubarb you are eating:

Velamen is a(n):

The root systems of eudicots are well suited to preventing soil erosion.

When a seed germinates, the __________ is the first structure to emerge.

At the center of most eudicot roots is:

The initials of the corpus tunica-corpus usually divide anticlinally.

The abscission zone consists of three layers: the separation layer, the protective layer, & the layer of cell division.

If “fine roots” are damaged or destroyed, they cannot be replaced.

Pith rays are composed of parenchyma cells.