Question 1

When did humans begin the practice of agriculture?

Accepted Answer

A)  400,000 years ago 
B)  240,000 years ago 
C)  11,000 years ago 
D)  2000 years ago 
A)  400,000 years ago 
B)  240,000 years ago 
C)  11,000 years ago 
D)  2000 years ago C

Question 2

The two most "precious liquids" needed for modern agricultural practices in developed countries are

Accepted Answer

A)  water and liquid fertilizer. 
B)  water and oil. 
C)  oil and pesticides. 
D)  liquid fertilizer and pesticides. 
A)  water and liquid fertilizer. 
B)  water and oil. 
C)  oil and pesticides. 
D)  liquid fertilizer and pesticides. B

Question 3

Fertilization occurs in flowering plants when

Accepted Answer

A)  pollen grains land on the anthers of the female flower parts. 
B)  the female carpels and male anthers are united. 
C)  sperm join with eggs inside the ovules. 
D)  pollen joins with eggs inside the stigma. 
A)  pollen grains land on the anthers of the female flower parts. 
B)  the female carpels and male anthers are united. 
C)  sperm join with eggs inside the ovules. 
D)  pollen joins with eggs inside the stigma. C

Question 4

Pollination in corn occurs via

Accepted Answer

A)  wind. 
B)  insects. 
C)  birds. 
D)  bats. 
A)  wind. 
B)  insects. 
C)  birds. 
D)  bats.

Question 5

-The diagram shows flowers, seeds, and fruits. All the following make up a seed EXCEPT a(n)

Accepted Answer

A)  embryo. 
B)  food source for embryo. 
C)  seed coat. 
D)  stamen. 
A)  embryo. 
B)  food source for embryo. 
C)  seed coat. 
D)  stamen.

Question 6

In plants, the mature ovaries containing seeds are called

Accepted Answer

A)  bulbs. 
B)  fruits. 
C)  tubers. 
D)  rhizomes. 
A)  bulbs. 
B)  fruits. 
C)  tubers. 
D)  rhizomes.

Question 7

If a nail is pounded into the trunk of a tree, what plant structure would it encounter first?

Accepted Answer

A)  phloem 
B)  xylem 
C)  cork 
D)  cork cambium 
A)  phloem 
B)  xylem 
C)  cork 
D)  cork cambium

Question 8

Sugars that are formed by photosynthesis in leaves can travel to underground storage structures via

Accepted Answer

A)  xylem. 
B)  phloem. 
C)  meristem. 
D)  ground tissue. 
A)  xylem. 
B)  phloem. 
C)  meristem. 
D)  ground tissue.

Question 9

Which of the following is part of the wood of a tree, NOT the bark?

Accepted Answer

A)  cork 
B)  cork cambium 
C)  xylem 
D)  phloem 
A)  cork 
B)  cork cambium 
C)  xylem 
D)  phloem

Question 10

The "eyes" of a white potato are actually

Accepted Answer

A)  apical meristems. 
B)  rhizomes. 
C)  axillary buds. 
D)  petioles. 
A)  apical meristems. 
B)  rhizomes. 
C)  axillary buds. 
D)  petioles.

Question 11

Staple crops are the

Accepted Answer

A)  major agricultural sources of calories in a society. 
B)  plants in which the gametophyte stage is dominant. 
C)  manioc plants eaten by people in Europe. 
D)  vegetative organs of grasses. 
A)  major agricultural sources of calories in a society. 
B)  plants in which the gametophyte stage is dominant. 
C)  manioc plants eaten by people in Europe. 
D)  vegetative organs of grasses.

Question 12

In 2005, the amount of animal waste produced by factory farms was ________ times the amount of waste produced by the human population of the United States.

Accepted Answer

A)  50 
B)  95 
C)  100 
D)  130 
A)  50 
B)  95 
C)  100 
D)  130

Question 13

Over time the general trend in the evolution of terrestrial plants has been

Accepted Answer

A)  a decrease in the gametophyte generation. 
B)  a decrease in mitosis in the sporophyte generation. 
C)  a decrease in the sporophyte generation. 
D)  a shortening of the plant lifecycle in general. 
A)  a decrease in the gametophyte generation. 
B)  a decrease in mitosis in the sporophyte generation. 
C)  a decrease in the sporophyte generation. 
D)  a shortening of the plant lifecycle in general.

Question 14

Root hairs are extensions of ________ cells.

Accepted Answer

A)  meristematic 
B)  vascular 
C)  ground 
D)  epidermal 
A)  meristematic 
B)  vascular 
C)  ground 
D)  epidermal

Question 15

Which of the following would make agricultural practices more sustainable?

Accepted Answer

A)  monoculture 
B)  salinization 
C)  integrated pest management 
D)  irrigation 
A)  monoculture 
B)  salinization 
C)  integrated pest management 
D)  irrigation

Question 16

The loss of fertilizer and pesticides from soil by water moving through it is called

Accepted Answer

A)  the pesticide treadmill. 
B)  biomagnification. 
C)  soil erosion. 
D)  runoff. 
A)  the pesticide treadmill. 
B)  biomagnification. 
C)  soil erosion. 
D)  runoff.

Question 17

Plants that grow from a seed and produce new seeds within the course of one year are classified as

Accepted Answer

A)  monocots. 
B)  dicots. 
C)  annuals. 
D)  perennials. 
A)  monocots. 
B)  dicots. 
C)  annuals. 
D)  perennials.

Question 18

Why do plants containing nitrogen-fixing bacteria in their roots need less nitrogen-based fertilizer than others?

Accepted Answer

A)  The plants break down the bacteria as a source of nitrogen-rich nutrients. 
B)  The bacteria convert nitrogen in the air into a form that can be taken up by the plants. 
C)  The plants and bacteria work together to attract birds, which deposit nitrogen-rich droppings near the plant. 
D)  The bacteria kill and digest earthworms and other animals in the soil, providing excess nitrogen to the plants. 
A)  The plants break down the bacteria as a source of nitrogen-rich nutrients. 
B)  The bacteria convert nitrogen in the air into a form that can be taken up by the plants. 
C)  The plants and bacteria work together to attract birds, which deposit nitrogen-rich droppings near the plant. 
D)  The bacteria kill and digest earthworms and other animals in the soil, providing excess nitrogen to the plants.

Question 19

A white potato is a modified

Accepted Answer

A)  stem. 
B)  root. 
C)  leaf. 
D)  flower. 
A)  stem. 
B)  root. 
C)  leaf. 
D)  flower.

Question 20

Gametophytes produce sperm and eggs by mitosis. In which of the following groups of plants is the gametophyte generation most dominant?

Accepted Answer

A)  gymnosperms 
B)  angiosperms 
C)  mosses 
D)  ferns 
A)  gymnosperms 
B)  angiosperms 
C)  mosses 
D)  ferns

Exam 23: Feeding the World: Plant Structure and Growth

When did humans begin the practice of agriculture?

The two most "precious liquids" needed for modern agricultural practices in developed countries are

Fertilization occurs in flowering plants when

Pollination in corn occurs via

-The diagram shows flowers, seeds, and fruits. All the following make up a seed EXCEPT a(n)

In plants, the mature ovaries containing seeds are called

If a nail is pounded into the trunk of a tree, what plant structure would it encounter first?

Sugars that are formed by photosynthesis in leaves can travel to underground storage structures via

Which of the following is part of the wood of a tree, NOT the bark?

The "eyes" of a white potato are actually

Staple crops are the

In 2005, the amount of animal waste produced by factory farms was ________ times the amount of waste produced by the human population of the United States.

Over time the general trend in the evolution of terrestrial plants has been

Root hairs are extensions of ________ cells.

Which of the following would make agricultural practices more sustainable?

The loss of fertilizer and pesticides from soil by water moving through it is called

Plants that grow from a seed and produce new seeds within the course of one year are classified as

Why do plants containing nitrogen-fixing bacteria in their roots need less nitrogen-based fertilizer than others?

A white potato is a modified

Gametophytes produce sperm and eggs by mitosis. In which of the following groups of plants is the gametophyte generation most dominant?

Can Science Cure the Common Cold? Introduction to the Scientific Method

Are We Alone in the Universe? Water, Biochemistry, and Cells

Is It Possible to Supplement Your Way to Better Health?

Fat: How Much is Right for You? Enzymes, Metabolism, and Cellular Respiration

Life in the Greenhouse: Photosynthesis and Global Warming

Cancer: DNA Synthesis, Mitosis, and Meiosis

Are You Only as Smart as Your Genes? Mendelian and Quantitative Genetics

DNA Detective: Complex Patterns of Inheritance and DNA Fingerprinting

Genetically Modified Organisms: Gene Expression, Mutation, and Cloning

Where Did We Come From? The Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I? Species and Races

Prospecting for Biological Gold: Biodiversity and Classification

Is the Human Population Too Large? Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live? Climate and Biomes

Organ Donation: Tissues Organs and Organ Systems

Clearing the Air: Respiratory Cardiovascular and Excretory Systems

Vaccinations: Protection and Prevention or Peril? Immune System

Sex Differences and Athleticism: Endocrine Skeletal and Muscular Systems

Is There Something in the Water? Reproductive and Developmental Biology

Attention Deficit Disorder: Brain Structure and Function

Growing a Green Thumb: Plant Physiology

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