Download The three main functions of stems are : a.)Conduction, asexual

:The three main functions of stems are
a.)Conduction, asexual reproduction, sexual reproduction
b).Support, conduction, photosynthesis
c.)Support, anchorage in the soil, production of new
living tissue
d).Conduction, production of new living tissue, sexual
reproduction
e).Support, conduction, production of new living tissue
:The main difference between herbaceous and woody stems is
a).Herbaceous stems are always smaller than woody stems
b).Woody stems have lateral meristems, herbaceous stems
do not
c).Only woody stems have axillary buds
d).Woody stems have lenticels
e).All of these choices
Axillary buds are located
a.)In the region between two successive nodes
b.)In the upper angle between a leaf and the stem to
which it is attached
c.)Within the loosely arranged cells of the lenticel
d.)At the tips of stems
e.)In unusual places, such as on roots
:The node is
a)A leaf scar
b.)The site of leaf attachment
c.)The site at which a new side branch is initiated
d.)The point at which stipules are attached to the stem
e.)A bundle scar
Ground tissue in monocot stems performs the same functions as
.-------------and -------------- in herbaceous dicot stems
a.)Epidermis; periderm
b.)Cork cambium; vascular cambium
c.)Primary xylem; secondary xylem
d.)Phloem; xylem
e.)Cortex; pith
Which of the following statements is FALSE?
One difference in the stem of monocots and dicots is that
a.)Monocots have scattered vascular bundles in the stem
b.)Dicots have distinct pith and cortex, whereas monocots
have only ground tissue
c.)In dicots, the xylem tissue is interior to the phloem
tissue in the vascular bundle
d.)Monocots have no vascular cambium
e.)Only dicots have pith rays between vascular bundles
:The two lateral meristems responsible for secondary growth are
a.)Cork cambium and vascular cambium
b.)Phloem and xylem
c.)Primary and secondary xylem
d.)Epidermis and periderm
e.)Cortex and pith
:Cork cambium and the tissue it produces are collectively called
a.)Cortex
b.)Wood
c.)Periderm
d.)Lenticels
e.)Epiderms
:The carbohydrate transported in the phloem is almost
a.)Fructose
b.)Cellulose
c.)Glucose
d.)Sucrose
e.)Starch
The dissolved carbohydrate is translocated throughout the plant in
which cells of the phloem ?
a.)Sieve tube members
b.)Sieve tube members and Companion cells
c.)Phloem parenchyma
d.)Sieve tube members and Phloem parenchyma
e.)Companion cells
:All stems have undeveloped embryonic shoots called
a.)Buds
b)Lenticels
c.)Phloem fiber caps
d.)Periderm
Which of the following statements is FALSE?
a.)Stems continue to grow throughout the life of the
plant
b.)Stems can act as storage organs
c.)Stems are continuous with leaves and roots via the
vascular system
d.)Some stems are capable of asexual reproduction
e.)Stems are always above-ground structure
The tissue in monocot stems in which the vascular tissues are
embedded is
a.)Ground tissue
b.)Phloem
c.)Cork cambium
d.)Cortex
e.)Pith
The protective outer layer of cells covering herbaceous stems is the
a.)Periderm
b.)Lateral meristem
c.)Epidermis
d.)Bud scale
e.)Cork cambium
One major function of the companion cell is to
a.)Move sugar from the mesophyll to the phloem
parenchyma
b).Move sugar out the sieve tube member from the
mesophyll
c.)Move water into the phloem from the xylem
d.)Move sugar into the sieve tube member from the
mesophyll
Which of the following statements is FALSE? The root and shoot
systems of flowering plants differ in
a.)None of these choices
b.)Structure
c.)Distribution of cell types
d.)Function
e.)Cell type
Most of the plant body consists of the ________ tissue system
a.)Dermal
b.)Vascular
c.)Periderm
d.)Cortex
Storage, secretion and photosynthesis are functions of
a.)Vessel elements
b.)Sclerenchyma
c.)Parenchyma
d.)Collenchyma
e.)Lateral meristems
Which of the following statements about the vascular tissue system
is FALSE ?
a.)Vessel elements are hollow and their end walls have
perforations or are entirely dissolved away
b.)Xylem and phloem are continuous throughout the plant
body
c.)Four different cell types occur in the phloem: sieve
tube members, companion cells, tracheids and vessel
elements
d).Sieve tube members lack nuclei
e.)Xylem not only conducts water and dissolved nutrient
minerals but also provides support
Translocation of sugar in solution in the sieve tube assisted by
members is
a.)Parenchyma
b.)Sclerenchyma
c.)Companion cells
d.)Cork cells
e.)Guard cells
Which tissue system provides a supporting for the plant body?
a.)Ground
b.)Dermal
c.)Periderm
d.)Vascular
e.)Cortex
Minute pores known as ________ is located on the surface of the
epidermis of leaves and stems; each pore is bordered by two------a.)Sieve tube members; companion cells
b.)Sclereids; guard cells
c.)Stomata; fibers
d.)Stomata; guard cells
Localized areas within the plant body where cell division occurs are
called
a.)Cork parenchyma
b.)Meristems
c.)Stomata
d.)Organs
e.)Fibers
Which of the following statements is FALSE about Meristems
a).Are active centers of cell growth throughout the life
of the plant
b).Are only involved in primary growth
c).Are either apical or lateral
d.)Occur in both roots and shoots
Primary growth, an increase in the length of a plant, occurs at the
a.)Cork cambium
b.)Lateral meristem
c.)Apical meristem
d.)Periderm
e.)Vascular cambium
The two lateral meristems responsible for secondary growth are
the
a.)Vascular cambium and apical meristem
b.)Cork cambium and cork parenchyma
c.)Apical meristem and cork parenchyma
d.)Cork cambium and apical meristem
e.)Vascular cambium and cork cambium
The area on a stem where each leaf is attached is called
a.)a bud scale
b.)a node
c.)a lenticel
d.)an internode
The sites of loosely arranged cells that allow oxygen to diffuse
into the interior of a woody stem are called
a.)guard cells
b.)lenticels
c.)trichomes
d.)pith
The ground tissue at the center of a herbaceous dicot stem is called
a.)periderm
b.)cortex
c.)pith
d.)xylem
The vascular bundles of monocots
a.)are arranged in a circle in cross section
b.)are enclosed in a bundle sheath of supporting
parenchyma cells
c.)only contain xylem
d.)contain xylem toward the inside and phloem toward the
outside
Monocot stems do not possess
a.)secondary meristems
b.)an epidermis
c.)xylem and phloem
d.)vascular bundles
The vascular cambium produces the
a.)secondary xylem and secondary phloem
b.)periderm
c.)cork cambium
d.)primary xylem and primary phloem
Periderm
a.)is also called secondary xylem
b.)is composed of the cork cambium and the vascular
cambium
c.)functions as a replacement for the epidermis
d.)is produced by the vascular cambium
The correct order for the vascular tissues in a woody stem from
the
innermost tissue to the outmost tissue is
,a.)secondary phloem, primary phloem, vascular cambium
primary xylem, secondary xylem
,b.)secondary xylem, primary xylem, vascular cambium
primary phloem, secondary phloem
,c.)primary phloem, secondary phloem, vascular cambium
secondary xylem, primary xylem
,d.)primary xylem, secondary xylem, vascular cambium
secondary phloem, primary phloem
.
Wood is another name for
a.)primary phloem
b.)secondary xylem
c.)secondary phloem
d.)primary xylem
The principal function/s of leaves is/are
a.)Harvesting light
b.)Moving carbohydrates to other parts of
the plant
c.)Photosynthesis
d.)Photosynthesis, Harvesting light and
Moving carbohydrates to other parts of the plan
Which of the following statements about the vascular tissue is
true
a.) Vessel elements are hollow and their end walls have no
perforations or are not entirely dissolved
away
b.) Xylem and phloem are not continuous throughout the plant
body
c.) Four different cell types occur in the phloem: sieve
tube members, companion cells, phloem fibers and phloem parencyma
d.) Sieve tube members has nuclei
e.) Xylem only conducts water and dissolved nutrient
Which of the following statements is correct about cork cell
a.)Contain only cells that do not differentiate
b.)Are active centers of cell growth throughout the life
of the plant
c.) Are deed cell
d. )Are either apical or lateral
e. )Occur in both roots and shoots
Secondary growth, an increase in the wides of a
plant, occurs at the
a.)Cork cambium
b.)Lateral meristem
c.)Apical meristem
d) Periderm
e.) Vascular cambium
Which tissue system provides Supporting g for plant
body
a)Ground tissues
b)Vascular tissues
c)Periderm
d)Dermal tissues
e)Cortex
Plants complete their life cycles in two years are called
a) Secondary
b) Biennials
c) Perennials
d) Primary
e) Annuals
Group of similar genera are group together into a
a) Subphylum
b) Phylum
c) Class
d) Family
e) Order
.In fllowering plants, the __________ develops into a seed
a.)microsporangium
b.)antheridium
c.)ovule
d.)prothallium
The __________ are the lowermost and outermost whorl on a floral
.shoot
a.)petals
b.)stamens
c.)sepals
d.)carpels
A perfect flower
.a.) is beautiful and smells good
.b.) has either stamens or carpels
.c.) has both stamens and carpels
Which of the following is not a part of the "female" flower
reproductive organ ?
a).stigma
b.)style
c.)ovary
d)anther
Endosperm
.a.) is a diploid tissue
.b.) develops into the first root of the plant
.c.) forms the seed coat
.d.) nourishes the growing embryo
Dicots seeds are typically have
.a.)an embryo with two cotyledon
.b.)flower parts usually in fours or fives whole
c.) Filament
.d.) a fibrous root system
:A simple pistil consists of a
a.)Carpel
b.)Ovule
c.)Calyx
d.)Petal
.
A flower that lacks pedical is said to be both
._________
a.) Incomplete
b.) Complete
c.) imperfect
d. )sessile