BIO 116 EXAM 3 STUDY GUIDE FULL
QUESTIONS WITH DETAILED ANSWERS
●● Which of the following plant parts absorbs most of the water and
minerals taken up from the soil?
a.) taproots
b.) root cap
c.) storage roots
d.) root hairs
Answer: d.) root hairs
●● Which of the following root tissues gives rise to lateral roots?
a.) phloem
b.) endodermis
c.) pericycle
d.) epidermis
Answer: c.) pericycle
●● Which of the following is the correct sequence of the zones in the
primary growth of a root, moving from the root cap toward the stem?
a.) zone of cell division, zone of differentiation, zone of elongation
b.) zone of differentiation, zone of elongation, zone of cell division
,c.) zone of cell division, zone of elongation, zone of differentiation
d.) zone of elongation, zone of cell division, zone of differentiation
Answer: c.) zone of cell division, zone of elongation, zone of
differentiation
●● Which of the following are water-conducting cells that are dead at
functional maturity?
a.) tracheids and vessel elements
b.) sieve-tube elements
c.) parenchyma cells
d.) collenchyma cells
Answer: a.) tracheids and vessel elements
●● Which structure is correctly paired with its tissue system?
a.) tracheid-vascular tissue
b.) root hair-vascular tissue
c.) companion cell-ground tissue
d.) guard cell-vascular tissue
Answer: a.) tracheid-vascular tissue
●● The following question is based on data from Northern Red Maples
in the table below. Which data above best illustrates phenotypic
plasticity in leaf "toothiness"?
,a.) Rhode Island Grown, Ontario Collected and Rhode Island Grown,
Florida Collected
b.) Rhode Island Grown, Ontario Collected and Florida Grown, Florida
Collected
c.) Florida Grown, Ontario Collected and Florida Grown, Florida
Collected
d.) Rhode Island Grown, Florida Collected and Florida Grown, Florida
Collected
Answer: d.) Rhode Island Grown, Florida Collected and Florida Grown,
Florida Collected
●● Which of the following biological molecules is specific to woody
scierenchyma cells?
a.) lignin
b.) cellulose
c.) chlorophyll
d.) starch
Answer: a.) lignin
●● Which of the following types retains the ability to undergo cell
division?
a.) a functional sieve tube element
b.) a stem fiber
a.) a meristem near the root tip
, d.) a tracheid
Answer: a.) a meristem near the root tip
●● Which of the following is unique to the shoot apical meristem
region?
i) the region of cell division
ii) leaf primordia
iii) cells that will give rise to the protoderm, ground meristem, and
procambium
a.) only ii
b.) only iii
c.) only i
d.) i,ii, and iii
Answer: a.) only ii
●● Which of the following structures is a modified horizontal shoot
growing along the soil surface?
a.) tuber
b.) stolon
c.) rhizome
d.) rhizoid
Answer: b.) stolon
QUESTIONS WITH DETAILED ANSWERS
●● Which of the following plant parts absorbs most of the water and
minerals taken up from the soil?
a.) taproots
b.) root cap
c.) storage roots
d.) root hairs
Answer: d.) root hairs
●● Which of the following root tissues gives rise to lateral roots?
a.) phloem
b.) endodermis
c.) pericycle
d.) epidermis
Answer: c.) pericycle
●● Which of the following is the correct sequence of the zones in the
primary growth of a root, moving from the root cap toward the stem?
a.) zone of cell division, zone of differentiation, zone of elongation
b.) zone of differentiation, zone of elongation, zone of cell division
,c.) zone of cell division, zone of elongation, zone of differentiation
d.) zone of elongation, zone of cell division, zone of differentiation
Answer: c.) zone of cell division, zone of elongation, zone of
differentiation
●● Which of the following are water-conducting cells that are dead at
functional maturity?
a.) tracheids and vessel elements
b.) sieve-tube elements
c.) parenchyma cells
d.) collenchyma cells
Answer: a.) tracheids and vessel elements
●● Which structure is correctly paired with its tissue system?
a.) tracheid-vascular tissue
b.) root hair-vascular tissue
c.) companion cell-ground tissue
d.) guard cell-vascular tissue
Answer: a.) tracheid-vascular tissue
●● The following question is based on data from Northern Red Maples
in the table below. Which data above best illustrates phenotypic
plasticity in leaf "toothiness"?
,a.) Rhode Island Grown, Ontario Collected and Rhode Island Grown,
Florida Collected
b.) Rhode Island Grown, Ontario Collected and Florida Grown, Florida
Collected
c.) Florida Grown, Ontario Collected and Florida Grown, Florida
Collected
d.) Rhode Island Grown, Florida Collected and Florida Grown, Florida
Collected
Answer: d.) Rhode Island Grown, Florida Collected and Florida Grown,
Florida Collected
●● Which of the following biological molecules is specific to woody
scierenchyma cells?
a.) lignin
b.) cellulose
c.) chlorophyll
d.) starch
Answer: a.) lignin
●● Which of the following types retains the ability to undergo cell
division?
a.) a functional sieve tube element
b.) a stem fiber
a.) a meristem near the root tip
, d.) a tracheid
Answer: a.) a meristem near the root tip
●● Which of the following is unique to the shoot apical meristem
region?
i) the region of cell division
ii) leaf primordia
iii) cells that will give rise to the protoderm, ground meristem, and
procambium
a.) only ii
b.) only iii
c.) only i
d.) i,ii, and iii
Answer: a.) only ii
●● Which of the following structures is a modified horizontal shoot
growing along the soil surface?
a.) tuber
b.) stolon
c.) rhizome
d.) rhizoid
Answer: b.) stolon
