BIO 425 FINAL EXAM QUESTIONS AND
ANSWERS 100% CORRECT
which of the following statements about the herbaceous buttercup (ranunculus) stem is
false? - ANSWER it has a vascular cambium
which of the following statements about palisade parenchyma is false? - ANSWER it is
usually located on the lower side of the leaf
protophloem and protoxylem mature in the - ANSWER region of elongation
in most monocots the base of the leaf is expanded into a - ANSWER sheath
which of the following statements about seed germination in onion is false - ANSWER
germination is hypogeous
in vascular platns food is conducted through - ANSWER sieve cells and sieve-tube
elements only
most of the growth of a plant body is the result of cell - ANSWER elongation
__ are types if tracheary elements - ANSWER vessel elements and tracheids
the apical meristems are the source of virtually all of the tissues of the seedling and
adult plant - ANSWER true
which of the following statements about the seed coat is false - ANSWER it develops
from the ovary
the sequence of regions in a growing root, beginning immediately behind the rootcap is -
ANSWER cell, division, elongation, maturation
the shoot apical meristem arises between the two __ in eudicot embryos - ANSWER
cotyledons
in maize, the first structure to emerge from the seed during germination is the -
ANSWER coleorhiza
in a eudicot stem, ___ is the ground tissue external to the system of vascular strands and
__ is the ground tissue internal to these strands - ANSWER cortex, pith
in woody elderberry (sambucus) stem, phloem differentiates towards the __ and xylem
differentiates towards the __ - ANSWER outside, center
before a seed can germinate, it must first imbibe water - ANSWER true
in epigeous germination which structure emerges above ground first - ANSWER
,hypocotyl
in a grass embryo, the coleoptile encloses the plumule - ANSWER true
In monocots, the cotyledon can have all of the following functions EXCEPT: - ANSWER
protection of the plumule
in contrast to derivative, initials: - ANSWER give rise to more initials and derivatives
cells that are totipotent, plat an important role in wound healing and initiate adventitious
structures are - ANSWER parenchyma cells
the stem like axis above the cotyledon is the - ANSWER epicotyl
the coleoptile and coleorhiza are typically found in monocots and eudicots - ANSWER
false
callose is a __ deposited in the __ of sieve elements - ANSWER carbohydrate, pores
The radial pattern of embryogenesis consists of concentrically arranged tissue systems.
- ANSWER true
which of the following statements about the quiescent center is false? - ANSWER it is
located a short distance behind the apical meristem
the _ is usually the first structure to emerge from a germinating seed - ANSWER root
which of the following statements about primary growth is false - ANSWER it results in
the thickening of the stem and root
When a botanist uses the word "indeterminate," she is referring to the unlimited growht
of the - ANSWER apical meristems
an example of programmed cell death is the differentiation of - ANSWER tracheary
elements
a leaf having a rachis is a __ leaf - ANSWER pinnately compound
A plant with helical phyllotaxy has - ANSWER one leaf per node, arranged spirally
,which of the following statements concerning the epidermis is false? - ANSWER stomata
are epidermal cells
___ is a sample tissue, and __ is a complex tissue - ANSWER collenchyma, xylem
In roots, the vascular cambium arises from the: - ANSWER procambium and pericycle
only
the developmental fate of a plant cell is determined mostly by - ANSWER its final position
the presence of casparian strips forces substances entering and leaving the vascular
cylinder to pass through the protoplasts of __ cells - ANSWER endodermal
in temperate regions of the world, after-ripening of the seed is triggered by - ANSWER
low temperature
in hypogeous germination, the cotyledons remain in the soil - ANSWER true
which of the following statements about parenchyma cells is false - ANSWER they lack
secondary walls
morphogenesis refers to - ANSWER the acquisition of a particular shape
the vascular cambium is initiated by cells - ANSWER between the primary xylem and
primary phloem
the cork cambium produces__ on its outer surface and __ on its inner surface - ANSWER
cork, phelloderm
, _ has a stem with scattered vascular bundles - ANSWER Zea
The integuments develop into the: - ANSWER seed coat
If you placed your hand on the outer surface of a root that is one meter in diameter, you
would be touching: - ANSWER cork
a subsidary cell is most closely associated with which of the following - ANSWER guard
cells
in gernal, vascular tissues are embedded within ground tissue, and the dermal tissue
forms a surrounding layer - ANSWER true
The ability of a leaf cell to develop in response to light is an example of competency. -
ANSWER true
which of the following events is not associated with seed germination - ANSWER
synthesis of new enzymes
a sessile leaf, by definition, lacks a __ - ANSWER petiole
__ refers to the phenomenon whereby a cell becomes increasingly committed to a
course of development that weakens its ability to resume growth - ANSWER
determination
what induces the seeds of manzanita bush and other plants of the california chaparral to
germinate - ANSWER fire
the inhibitory field hypothesis of leaf arrangement states that existing leaf primordia: -
ANSWER prevent the initiation of new primordia
ANSWERS 100% CORRECT
which of the following statements about the herbaceous buttercup (ranunculus) stem is
false? - ANSWER it has a vascular cambium
which of the following statements about palisade parenchyma is false? - ANSWER it is
usually located on the lower side of the leaf
protophloem and protoxylem mature in the - ANSWER region of elongation
in most monocots the base of the leaf is expanded into a - ANSWER sheath
which of the following statements about seed germination in onion is false - ANSWER
germination is hypogeous
in vascular platns food is conducted through - ANSWER sieve cells and sieve-tube
elements only
most of the growth of a plant body is the result of cell - ANSWER elongation
__ are types if tracheary elements - ANSWER vessel elements and tracheids
the apical meristems are the source of virtually all of the tissues of the seedling and
adult plant - ANSWER true
which of the following statements about the seed coat is false - ANSWER it develops
from the ovary
the sequence of regions in a growing root, beginning immediately behind the rootcap is -
ANSWER cell, division, elongation, maturation
the shoot apical meristem arises between the two __ in eudicot embryos - ANSWER
cotyledons
in maize, the first structure to emerge from the seed during germination is the -
ANSWER coleorhiza
in a eudicot stem, ___ is the ground tissue external to the system of vascular strands and
__ is the ground tissue internal to these strands - ANSWER cortex, pith
in woody elderberry (sambucus) stem, phloem differentiates towards the __ and xylem
differentiates towards the __ - ANSWER outside, center
before a seed can germinate, it must first imbibe water - ANSWER true
in epigeous germination which structure emerges above ground first - ANSWER
,hypocotyl
in a grass embryo, the coleoptile encloses the plumule - ANSWER true
In monocots, the cotyledon can have all of the following functions EXCEPT: - ANSWER
protection of the plumule
in contrast to derivative, initials: - ANSWER give rise to more initials and derivatives
cells that are totipotent, plat an important role in wound healing and initiate adventitious
structures are - ANSWER parenchyma cells
the stem like axis above the cotyledon is the - ANSWER epicotyl
the coleoptile and coleorhiza are typically found in monocots and eudicots - ANSWER
false
callose is a __ deposited in the __ of sieve elements - ANSWER carbohydrate, pores
The radial pattern of embryogenesis consists of concentrically arranged tissue systems.
- ANSWER true
which of the following statements about the quiescent center is false? - ANSWER it is
located a short distance behind the apical meristem
the _ is usually the first structure to emerge from a germinating seed - ANSWER root
which of the following statements about primary growth is false - ANSWER it results in
the thickening of the stem and root
When a botanist uses the word "indeterminate," she is referring to the unlimited growht
of the - ANSWER apical meristems
an example of programmed cell death is the differentiation of - ANSWER tracheary
elements
a leaf having a rachis is a __ leaf - ANSWER pinnately compound
A plant with helical phyllotaxy has - ANSWER one leaf per node, arranged spirally
,which of the following statements concerning the epidermis is false? - ANSWER stomata
are epidermal cells
___ is a sample tissue, and __ is a complex tissue - ANSWER collenchyma, xylem
In roots, the vascular cambium arises from the: - ANSWER procambium and pericycle
only
the developmental fate of a plant cell is determined mostly by - ANSWER its final position
the presence of casparian strips forces substances entering and leaving the vascular
cylinder to pass through the protoplasts of __ cells - ANSWER endodermal
in temperate regions of the world, after-ripening of the seed is triggered by - ANSWER
low temperature
in hypogeous germination, the cotyledons remain in the soil - ANSWER true
which of the following statements about parenchyma cells is false - ANSWER they lack
secondary walls
morphogenesis refers to - ANSWER the acquisition of a particular shape
the vascular cambium is initiated by cells - ANSWER between the primary xylem and
primary phloem
the cork cambium produces__ on its outer surface and __ on its inner surface - ANSWER
cork, phelloderm
, _ has a stem with scattered vascular bundles - ANSWER Zea
The integuments develop into the: - ANSWER seed coat
If you placed your hand on the outer surface of a root that is one meter in diameter, you
would be touching: - ANSWER cork
a subsidary cell is most closely associated with which of the following - ANSWER guard
cells
in gernal, vascular tissues are embedded within ground tissue, and the dermal tissue
forms a surrounding layer - ANSWER true
The ability of a leaf cell to develop in response to light is an example of competency. -
ANSWER true
which of the following events is not associated with seed germination - ANSWER
synthesis of new enzymes
a sessile leaf, by definition, lacks a __ - ANSWER petiole
__ refers to the phenomenon whereby a cell becomes increasingly committed to a
course of development that weakens its ability to resume growth - ANSWER
determination
what induces the seeds of manzanita bush and other plants of the california chaparral to
germinate - ANSWER fire
the inhibitory field hypothesis of leaf arrangement states that existing leaf primordia: -
ANSWER prevent the initiation of new primordia
