BOT 3015 Final Exam Questions And
Accurate Answers
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
__________________ - Answer periderm
What is the function of phloem in plants - Answer food conduction
all components of phloem - Answer sieve-tube members, companion cells
What is the primary function of xylem in plants? Solution to supply water and minerals to
the entire plant
The outermost cell layer of young plant organs is known as the _____________ Solution
epidermis
List two types of vascular conducting tissues Solution xylem, phloem
secretory cells or tissues of plants are usually derived from ground solution
parenchyma cells
the epidermis of aboveground plant parts form outgrowths consisting of one or several
cells. These hairs are usually referred to as ____________ - Answer trichomes
The most common tissue type in plants is _______________ - Answer parenchyma
, What are characteristics of vessel elements - Answer 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, the sieve cells have ___________ cells which is the equivalent to
companion cells - Answer albuminous
____________ is NOT a substance secreted by a plant's secretory cells or tissues -
Answer Lignin
What is true of a cuticle - Answer It determines how much water is lost through
evaporation
It is exceptionally resistant to pathogens including bacteria and viruses
Companion cells carry out metabolic activities necessary to maintain - Answer
sieve-tube members
Roots of plants may increase their absorptive surface area by forming root hairs. The
root hairs are tubular extensions of ________ - Answer epidermal cells
Plants leaves contain a number of openings called ____________, edged by pairs of
specialized cells called __________ cells. Plants exchange gases through those openings
- Answer stomata
guard
Tracheids may incidentally have bordered pits, through which water flow between
tracheid cells can be controlled. Bordered pits consists of a pit __________ and a
thickened region called a ____________ - Answer membrane
tube
Accurate Answers
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
__________________ - Answer periderm
What is the function of phloem in plants - Answer food conduction
all components of phloem - Answer sieve-tube members, companion cells
What is the primary function of xylem in plants? Solution to supply water and minerals to
the entire plant
The outermost cell layer of young plant organs is known as the _____________ Solution
epidermis
List two types of vascular conducting tissues Solution xylem, phloem
secretory cells or tissues of plants are usually derived from ground solution
parenchyma cells
the epidermis of aboveground plant parts form outgrowths consisting of one or several
cells. These hairs are usually referred to as ____________ - Answer trichomes
The most common tissue type in plants is _______________ - Answer parenchyma
, What are characteristics of vessel elements - Answer 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, the sieve cells have ___________ cells which is the equivalent to
companion cells - Answer albuminous
____________ is NOT a substance secreted by a plant's secretory cells or tissues -
Answer Lignin
What is true of a cuticle - Answer It determines how much water is lost through
evaporation
It is exceptionally resistant to pathogens including bacteria and viruses
Companion cells carry out metabolic activities necessary to maintain - Answer
sieve-tube members
Roots of plants may increase their absorptive surface area by forming root hairs. The
root hairs are tubular extensions of ________ - Answer epidermal cells
Plants leaves contain a number of openings called ____________, edged by pairs of
specialized cells called __________ cells. Plants exchange gases through those openings
- Answer stomata
guard
Tracheids may incidentally have bordered pits, through which water flow between
tracheid cells can be controlled. Bordered pits consists of a pit __________ and a
thickened region called a ____________ - Answer membrane
tube
