Question 1

The development of the basic form of a plant is called

Accepted Answer

A)  morphogenesis. 
B)  phyllogenesis. 
C)  cladogenesis. 
D)  genetometrics. 
E)  isometrics. 
A)  morphogenesis. 
B)  phyllogenesis. 
C)  cladogenesis. 
D)  genetometrics. 
E)  isometrics.

Question 2

The diverse forms of Brassica oleracea arose by

Accepted Answer

A)  natural selection. 
B)  genetic drift. 
C)  artificial selection. 
D)  hybridization. 
E)  recombinant DNA technology. 
A)  natural selection. 
B)  genetic drift. 
C)  artificial selection. 
D)  hybridization. 
E)  recombinant DNA technology.

Question 3

The vascular cambium is located between the _______ and _______.

Accepted Answer

A)  phloem; cork cambium 
B)  xylem; cork cambium 
C)  phloem; bark 
D)  xylem; phloem 
E)  phloem; ground tissue 
A)  phloem; cork cambium 
B)  xylem; cork cambium 
C)  phloem; bark 
D)  xylem; phloem 
E)  phloem; ground tissue

Question 4

To stop the lateral expansion of a tree, you could apply a chemical to inhibit the action of the

Accepted Answer

A)  apical meristem. 
B)  secondary phloem. 
C)  phelloderm. 
D)  vascular cambium. 
E)  primary xylem. 
A)  apical meristem. 
B)  secondary phloem. 
C)  phelloderm. 
D)  vascular cambium. 
E)  primary xylem.

Question 5

Aboveground epidermal cells secrete a waxy layer called _______, which helps retard water loss from stems and leaves.

Accepted Answer

A)  lignin 
B)  suberin 
C)  the cuticle 
D)  stomata 
E)  the pericycle 
A)  lignin 
B)  suberin 
C)  the cuticle 
D)  stomata 
E)  the pericycle

Question 6

Photosynthesis occurs in _______ cells.

Accepted Answer

A)  collenchyma 
B)  sclerenchyma 
C)  parenchyma 
D)  tracheid 
E)  companion 
A)  collenchyma 
B)  sclerenchyma 
C)  parenchyma 
D)  tracheid 
E)  companion

Question 7

Some plants, such as cacti, have developed spines as a means of protection.Spines are most likely modifications of which plant structure?

Accepted Answer

A)  Stems 
B)  Roots 
C)  Branches 
D)  Leaves 
E)  Seeds 
A)  Stems 
B)  Roots 
C)  Branches 
D)  Leaves 
E)  Seeds

Question 8

Which is the correct order of the regions of a root tip, from the quiescent center upward?

Accepted Answer

A)  Zone of cell elongation F1F1F1S1F1F1F10 zone of cell division F1F1F1S1F1F1F10 zone of cell maturation 
B)  Zone of cell maturationF1F1F1S1F1F1F10 zone of cell elongation F1F1F1S1F1F1F10 zone of cell division 
C)  Zone of cell division F1F1F1S1F1F1F10 zone of cell maturationF1F1F1S1F1F1F10 zone of cell elongation 
D)  Zone of cell elongation F1F1F1S1F1F1F10 zone of cell maturationF1F1F1S1F1F1F10 zone of cell division 
E)  Zone of cell division F1F1F1S1F1F1F10 zone of cell elongation F1F1F1S1F1F1F10 zone of cell maturation 
A)  Zone of cell elongation F1F1F1S1F1F1F10 zone of cell division F1F1F1S1F1F1F10 zone of cell maturation 
B)  Zone of cell maturationF1F1F1S1F1F1F10 zone of cell elongation F1F1F1S1F1F1F10 zone of cell division 
C)  Zone of cell division F1F1F1S1F1F1F10 zone of cell maturationF1F1F1S1F1F1F10 zone of cell elongation 
D)  Zone of cell elongation F1F1F1S1F1F1F10 zone of cell maturationF1F1F1S1F1F1F10 zone of cell division 
E)  Zone of cell division F1F1F1S1F1F1F10 zone of cell elongation F1F1F1S1F1F1F10 zone of cell maturation

Question 9

Guard cells

Accepted Answer

A)  protect the plant from herbivores. 
B)  secrete a waxy cuticle to prevent evaporation. 
C)  contain chemicals that poison insects. 
D)  control gas exchange. 
E)  inhibit germination of fungal spores. 
A)  protect the plant from herbivores. 
B)  secrete a waxy cuticle to prevent evaporation. 
C)  contain chemicals that poison insects. 
D)  control gas exchange. 
E)  inhibit germination of fungal spores.

Question 10

Refer to the figure showing the stele of a buttercup root in cross section.   When leaves are incubated in radioactive CO2, which tissue shown in the figure will accumulate the most radioactivity? Identify the tissue layer.

Accepted Answer

Question 11

Which statement about genetic variation in crop plants and in their wild relatives is true?

Accepted Answer

A)  Seed banks have been unsuccessful in storing viable seeds of teosinte. 
B)  Genetic variation is undesirable and leads to harmful mutations in crop plants. 
C)  The conservation of wild plant species and their genomes is valuable for genetic variation. 
D)  The aim of plant breeding programs is to decrease the use of wild species as crops. 
E)  Genetic variation is only beneficial in fruit crops. 
A)  Seed banks have been unsuccessful in storing viable seeds of teosinte. 
B)  Genetic variation is undesirable and leads to harmful mutations in crop plants. 
C)  The conservation of wild plant species and their genomes is valuable for genetic variation. 
D)  The aim of plant breeding programs is to decrease the use of wild species as crops. 
E)  Genetic variation is only beneficial in fruit crops.

Question 12

A root is called adventitious if it

Accepted Answer

A)  forms a mycorrhizal association. 
B)  has a branched tip. 
C)  originates from a stem. 
D)  is modified for storage. 
E)  is actively growing. 
A)  forms a mycorrhizal association. 
B)  has a branched tip. 
C)  originates from a stem. 
D)  is modified for storage. 
E)  is actively growing.

Question 13

In which region(s) would you expect to find xylem in a leaf?

Accepted Answer

A)  Veins 
B)  Mesophyll cells 
C)  Epidermis 
D)  Stomata 
E)  Cuticle 
A)  Veins 
B)  Mesophyll cells 
C)  Epidermis 
D)  Stomata 
E)  Cuticle

Question 14

You are asked to classify a plant based on your own observations in the lab.You note that the flowers have six petals and the leaves have parallel veins.You would classify this plant as a _______ and would expect to find a(n) _______ root system.

Accepted Answer

A)  eudicot; taproot 
B)  monocot; apical 
C)  monocot; fibrous 
D)  eudicot; adventitious 
E)  eudicot; fibrous 
A)  eudicot; taproot 
B)  monocot; apical 
C)  monocot; fibrous 
D)  eudicot; adventitious 
E)  eudicot; fibrous

Question 15

You are lost in a wilderness and decide to make a raft to try to float downstream to safety.You are happy to find a monocot with large, aerial roots for making your raft, because the _______ in the center of the monocot's roots will be low-density and make your raft float well.

Accepted Answer

The answer of You are lost in a wilderness and...

Question 16

Which characteristic does not differ between eudicots and monocots?

Accepted Answer

A)  Number of flower parts 
B)  Leaf anatomy 
C)  Number of seed leaves (cotyledons) 
D)  Arrangement of veins in leaves 
E)  Formation of seeds 
A)  Number of flower parts 
B)  Leaf anatomy 
C)  Number of seed leaves (cotyledons) 
D)  Arrangement of veins in leaves 
E)  Formation of seeds

Question 17

A botanist discovers a new family of flowering plants restricted to a small island.This family should be classified as an advanced family of angiosperms if it possesses

Accepted Answer

A)  elongate tracheids. 
B)  thick-walled fiber cells. 
C)  sieve tube elements. 
D)  companion cells. 
E)  short, stacked vessel elements. 
A)  elongate tracheids. 
B)  thick-walled fiber cells. 
C)  sieve tube elements. 
D)  companion cells. 
E)  short, stacked vessel elements.

Question 18

Leaves are designed to conduct photosynthesis and produce sugars as a result of this process.Therefore, leaves must have functioning _______ tissue to move the solutes to another part of the plant, such as storage organs.

Accepted Answer

The answer of Leaves are designed to conduct photosynthesis and...

Question 19

If a horticulturist uses a rooting powder on a cutting from a fig tree to produce roots, the roots that are produced are

Accepted Answer

A)  primary. 
B)  lateral. 
C)  secondary. 
D)  tertiary. 
E)  adventitious. 
A)  primary. 
B)  lateral. 
C)  secondary. 
D)  tertiary. 
E)  adventitious.

Question 20

Root cells produced during primary growth reach their final size in the

Accepted Answer

A)  zone of cell maturation. 
B)  zone of cell elongation. 
C)  zone of cell division. 
D)  root cap. 
E)  quiescent center. 
A)  zone of cell maturation. 
B)  zone of cell elongation. 
C)  zone of cell division. 
D)  root cap. 
E)  quiescent center.

Exam 33: The Plant Body

The development of the basic form of a plant is called

The diverse forms of Brassica oleracea arose by

The vascular cambium is located between the _______ and _______.

To stop the lateral expansion of a tree, you could apply a chemical to inhibit the action of the

Aboveground epidermal cells secrete a waxy layer called _______, which helps retard water loss from stems and leaves.

Photosynthesis occurs in _______ cells.

Some plants, such as cacti, have developed spines as a means of protection.Spines are most likely modifications of which plant structure?

Which is the correct order of the regions of a root tip, from the quiescent center upward?

Guard cells

Refer to the figure showing the stele of a buttercup root in cross section. When leaves are incubated in radioactive CO2, which tissue shown in the figure will accumulate the most radioactivity? Identify the tissue layer.

Which statement about genetic variation in crop plants and in their wild relatives is true?

A root is called adventitious if it

In which region(s) would you expect to find xylem in a leaf?

You are asked to classify a plant based on your own observations in the lab.You note that the flowers have six petals and the leaves have parallel veins.You would classify this plant as a _______ and would expect to find a(n) _______ root system.

You are lost in a wilderness and decide to make a raft to try to float downstream to safety.You are happy to find a monocot with large, aerial roots for making your raft, because the _______ in the center of the monocot's roots will be low-density and make your raft float well.

Which characteristic does not differ between eudicots and monocots?

A botanist discovers a new family of flowering plants restricted to a small island.This family should be classified as an advanced family of angiosperms if it possesses

Leaves are designed to conduct photosynthesis and produce sugars as a result of this process.Therefore, leaves must have functioning _______ tissue to move the solutes to another part of the plant, such as storage organs.

If a horticulturist uses a rooting powder on a cutting from a fig tree to produce roots, the roots that are produced are

Root cells produced during primary growth reach their final size in the

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Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

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Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

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Filters

The vascular cambium is located between the _ and _.

Refer to the figure showing the stele of a buttercup root in cross section. When leaves are incubated in radioactive CO₂, which tissue shown in the figure will accumulate the most radioactivity? Identify the tissue layer.

You are asked to classify a plant based on your own observations in the lab.You note that the flowers have six petals and the leaves have parallel veins.You would classify this plant as a _ and would expect to find a(n) _ root system.