BOT3015 FinalExam (Answered) 119 Questions
and Correct Answers, 100% Correct. Latest
2024/2025.
In woody plants the cork cambium produces new tissues that increase the girth of the stem. When
this happens the epidermis is sloughed off and replaced by the __________________
periderm
What is the function of phloem in plants
food conduction
all components of phloem
sieve-tube members, companion cells
What is the main function of xylem in plants
to transport water and minerals throughout the plant
The outermost cell layer of young plant organs is known as the _____________
epidermis
What are two types of conducting vascular tissue
xylem, phloem
secretory cells or tissues in plants are usually derived from
parenchyma cells
the epidermis of aboveground plant parts form outgrowths consisting of one or several cells. These
hairs are usually referred to as ____________
trichomes
The most common tissue type in plants is _______________
parenchyma
What are characteristics of vessel elements
Pairs of vessel elements can be separated by a perforation plate
The cell walls of vessel elements are often open at each end
In conifers and ferns, sieve cells have ___________ cells, which are the equivalent to companion
cells
albuminous
____________ is NOT a substance secreted by a plant's secretory cells or tissues
, Lignin
What is true of a cuticle
It determines how much water is lost through evaporation
It is exceptionally resistant to pathogens including bacteria and viruses
Companion cells carry out metabolic functions needed to maintain
sieve-tube members
Plants can increase the absorptive surface area of their roots by making root hairs. The root hairs are
tubular extensions of ________
epidermal cells
Plants leaves have numerous openings called ____________, bordered by pairs of specialized cells
known as __________ cells. Plants exchange gases through those openings
stomata
guard
Tracheids can sometimes form bordered pits, through which water flow between individual tracheid
cells can be regulated . Bordered pits are composed of a pit __________ and a thickened region
called a ____________
membrane
tube
The cytoplasm of adjacent sieve tube members extend from cell to cell through regions filled with
small pores called
sieve plates
The following exhibit a multilayered epidermis
Velamen roots of orchids
leaves of members of the Piperaceae
Leaves of some tropical figs
Some plants secrete protective or other substances through modified epidermal cells known as
glands
The characteristics of tracheids are
They have thick secondary cell walls
They are tapered at each end
They are dead at maturity
and Correct Answers, 100% Correct. Latest
2024/2025.
In woody plants the cork cambium produces new tissues that increase the girth of the stem. When
this happens the epidermis is sloughed off and replaced by the __________________
periderm
What is the function of phloem in plants
food conduction
all components of phloem
sieve-tube members, companion cells
What is the main function of xylem in plants
to transport water and minerals throughout the plant
The outermost cell layer of young plant organs is known as the _____________
epidermis
What are two types of conducting vascular tissue
xylem, phloem
secretory cells or tissues in plants are usually derived from
parenchyma cells
the epidermis of aboveground plant parts form outgrowths consisting of one or several cells. These
hairs are usually referred to as ____________
trichomes
The most common tissue type in plants is _______________
parenchyma
What are characteristics of vessel elements
Pairs of vessel elements can be separated by a perforation plate
The cell walls of vessel elements are often open at each end
In conifers and ferns, sieve cells have ___________ cells, which are the equivalent to companion
cells
albuminous
____________ is NOT a substance secreted by a plant's secretory cells or tissues
, Lignin
What is true of a cuticle
It determines how much water is lost through evaporation
It is exceptionally resistant to pathogens including bacteria and viruses
Companion cells carry out metabolic functions needed to maintain
sieve-tube members
Plants can increase the absorptive surface area of their roots by making root hairs. The root hairs are
tubular extensions of ________
epidermal cells
Plants leaves have numerous openings called ____________, bordered by pairs of specialized cells
known as __________ cells. Plants exchange gases through those openings
stomata
guard
Tracheids can sometimes form bordered pits, through which water flow between individual tracheid
cells can be regulated . Bordered pits are composed of a pit __________ and a thickened region
called a ____________
membrane
tube
The cytoplasm of adjacent sieve tube members extend from cell to cell through regions filled with
small pores called
sieve plates
The following exhibit a multilayered epidermis
Velamen roots of orchids
leaves of members of the Piperaceae
Leaves of some tropical figs
Some plants secrete protective or other substances through modified epidermal cells known as
glands
The characteristics of tracheids are
They have thick secondary cell walls
They are tapered at each end
They are dead at maturity
