BOT3015 Final Exam Questions with Correct Answers 100% Pass
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 __________________ - Answers periderm
What is the function of phloem in plants - Answers food conduction
all components of phloem - Answers sieve-tube members, companion cells
What is the main function of xylem in plants - Answers to transport water and minerals throughout the
plant
The outermost cell layer of young plant organs is known as the _____________ - Answers epidermis
What are two types of conducting vascular tissue - Answers xylem, phloem
secretory cells or tissues in plants are usually derived from - Answers parenchyma cells
the epidermis of aboveground plant parts form outgrowths consisting of one or several cells. These hairs
are usually referred to as ____________ - Answers trichomes
The most common tissue type in plants is _______________ - Answers parenchyma
What are characteristics of vessel elements - Answers 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 -
Answers albuminous
____________ is NOT a substance secreted by a plant's secretory cells or tissues - Answers Lignin
What is true of a cuticle - Answers 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 - Answers sieve-tube members
Plants can increase the absorptive surface area of their roots by making root hairs. The root hairs are
tubular extensions of ________ - Answers epidermal cells
Plants leaves have numerous openings called ____________, bordered by pairs of specialized cells
known as __________ cells. Plants exchange gases through those openings - Answers 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
____________ - Answers membrane
tube
The cytoplasm of adjacent sieve tube members extend from cell to cell through regions filled with small
pores called - Answers sieve plates
The following exhibit a multilayered epidermis - Answers 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 -
Answers glands
The characteristics of tracheids are - Answers They have thick secondary cell walls
They are tapered at each end
They are dead at maturity
The main conductive cells in phloem are the cylindrical _____________ members. Closely associated
with them are the narrow, more tapered ____________ cells - Answers sieve tube
companion
What is the function of callose when a cell is injured by an insect such as an aphid - Answers It plugs the
nearest sieve plate, preventing leaking of fluid from the sieve tube
Features of cork cells - Answers Dead at maturity
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 __________________ - Answers periderm
What is the function of phloem in plants - Answers food conduction
all components of phloem - Answers sieve-tube members, companion cells
What is the main function of xylem in plants - Answers to transport water and minerals throughout the
plant
The outermost cell layer of young plant organs is known as the _____________ - Answers epidermis
What are two types of conducting vascular tissue - Answers xylem, phloem
secretory cells or tissues in plants are usually derived from - Answers parenchyma cells
the epidermis of aboveground plant parts form outgrowths consisting of one or several cells. These hairs
are usually referred to as ____________ - Answers trichomes
The most common tissue type in plants is _______________ - Answers parenchyma
What are characteristics of vessel elements - Answers 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 -
Answers albuminous
____________ is NOT a substance secreted by a plant's secretory cells or tissues - Answers Lignin
What is true of a cuticle - Answers 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 - Answers sieve-tube members
Plants can increase the absorptive surface area of their roots by making root hairs. The root hairs are
tubular extensions of ________ - Answers epidermal cells
Plants leaves have numerous openings called ____________, bordered by pairs of specialized cells
known as __________ cells. Plants exchange gases through those openings - Answers 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
____________ - Answers membrane
tube
The cytoplasm of adjacent sieve tube members extend from cell to cell through regions filled with small
pores called - Answers sieve plates
The following exhibit a multilayered epidermis - Answers 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 -
Answers glands
The characteristics of tracheids are - Answers They have thick secondary cell walls
They are tapered at each end
They are dead at maturity
The main conductive cells in phloem are the cylindrical _____________ members. Closely associated
with them are the narrow, more tapered ____________ cells - Answers sieve tube
companion
What is the function of callose when a cell is injured by an insect such as an aphid - Answers It plugs the
nearest sieve plate, preventing leaking of fluid from the sieve tube
Features of cork cells - Answers Dead at maturity
