Question 1

When the guard cells of a leaf shrink, how do the stomata change?

Accepted Answer

A)  They open. 
B)  They close. 
C)  They perform photosynthesis. 
D)  They die. 
A)  They open. 
B)  They close. 
C)  They perform photosynthesis. 
D)  They die.

Question 2

What are the two most "precious liquids" needed for modern agricultural practices in developed countries?

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

Question 3

Which crops are perennial plants?

Accepted Answer

A)  rice 
B)  wheat 
C)  white potatoes 
D)  sweet potatoes 
A)  rice 
B)  wheat 
C)  white potatoes 
D)  sweet potatoes

Question 4

What type of plant tissue includes the starch-storing tissues, such as white potatoes?

Accepted Answer

A)  xylem 
B)  phloem 
C)  meristematic tissue 
D)  ground tissue 
A)  xylem 
B)  phloem 
C)  meristematic tissue 
D)  ground tissue

Question 5

When does fertilization occur in flowering plants?

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.

Question 6

Cereal grains come from which types of plants?

Accepted Answer

A)  dicots 
B)  monocots 
C)  legumes 
D)  tubers 
A)  dicots 
B)  monocots 
C)  legumes 
D)  tubers

Question 7

As the guard cells ________, the stomata become ________.

Accepted Answer

A)  swell; open 
B)  shrink; open 
C)  swell; closed 
D)  shrink; larger 
A)  swell; open 
B)  shrink; open 
C)  swell; closed 
D)  shrink; larger

Question 8

How many copies of each plant chromosome are found in the triploid cells that make up endosperm of a typical plant?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 9

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)  2,000 years ago 
A)  400,000 years ago 
B)  240,000 years ago 
C)  11,000 years ago 
D)  2,000 years ago

Question 10

White wheat flour is made from the tissue within the wheat kernel that nourishes the developing wheat embryo. What is this tissue called?

Accepted Answer

A)  endosperm 
B)  embryo 
C)  carpel 
D)  stamen 
A)  endosperm 
B)  embryo 
C)  carpel 
D)  stamen

Question 11

What is the staple crop of Asia?

Accepted Answer

A)  wheat 
B)  rice 
C)  corn 
D)  yams 
A)  wheat 
B)  rice 
C)  corn 
D)  yams

Question 12

In flowering plants, eggs are to ovules as

Accepted Answer

A)  sperm are to pollen. 
B)  sperm are to anthers. 
C)  pollen is to carpels. 
D)  pollen is to sepals. 
A)  sperm are to pollen. 
B)  sperm are to anthers. 
C)  pollen is to carpels. 
D)  pollen is to sepals.

Question 13

What process resulted in domesticated plants, which make up most of today's crops?

Accepted Answer

A)  biomagnification 
B)  artificial selection 
C)  advantageous evolution 
D)  eutrophication 
A)  biomagnification 
B)  artificial selection 
C)  advantageous evolution 
D)  eutrophication

Question 14

What is the ability of a plant to continue to grow throughout its lifetime?

Accepted Answer

A)  determinate growth 
B)  indeterminate growth 
C)  secondary growth 
D)  vernalization 
A)  determinate growth 
B)  indeterminate growth 
C)  secondary growth 
D)  vernalization

Question 15

What flower part is the female reproductive organ?

Accepted Answer

A)  anther 
B)  stamen 
C)  carpel 
D)  petal 
A)  anther 
B)  stamen 
C)  carpel 
D)  petal

Question 16

What is the difference between organic and inorganic fertilizers?

Accepted Answer

A)  Organic fertilizers are carbon-based and are made from decomposed plant and animal wastes; inorganic fertilizers lack carbon and are produced by an industrial chemical process. 
B)  Inorganic fertilizers are carbon-based and are made from decomposed plant and animal wastes; organic fertilizers lack carbon and are produced by an industrial chemical process. 
C)  Organic fertilizers are carbon-based and are produced by an industrial chemical process; inorganic fertilizers lack carbon and are made from decomposed plant and animal wastes. 
D)  Inorganic fertilizers are carbon-based and are produced by an industrial chemical process; organic fertilizers lack carbon and are made from decomposed plant and animal wastes. 
A)  Organic fertilizers are carbon-based and are made from decomposed plant and animal wastes; inorganic fertilizers lack carbon and are produced by an industrial chemical process. 
B)  Inorganic fertilizers are carbon-based and are made from decomposed plant and animal wastes; organic fertilizers lack carbon and are produced by an industrial chemical process. 
C)  Organic fertilizers are carbon-based and are produced by an industrial chemical process; inorganic fertilizers lack carbon and are made from decomposed plant and animal wastes. 
D)  Inorganic fertilizers are carbon-based and are produced by an industrial chemical process; organic fertilizers lack carbon and are made from decomposed plant and animal wastes.

Question 17

The water in which aquifer in the central United States is apparently being depleted more rapidly than it is being replenished, thus threatening the future of farming in certain regions?

Accepted Answer

A)  Ogallala 
B)  Texarkana 
C)  Legumino 
D)  Nebraskan 
A)  Ogallala 
B)  Texarkana 
C)  Legumino 
D)  Nebraskan

Question 18

Through what route does pollination in corn occur?

Accepted Answer

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

Question 19

What is the concentration of persistent toxic chemicals at higher levels within a food chain or food web?

Accepted Answer

The answer of What is the concentration of persistent toxic...

Question 20

Modern farmers use irrigation to deliver which growth requirement to their plants?

Accepted Answer

A)  light 
B)  water 
C)  nutrients 
D)  carbon dioxide 
A)  light 
B)  water 
C)  nutrients 
D)  carbon dioxide

Exam 24: Feeding the World: Plant Structure and Growth

When the guard cells of a leaf shrink, how do the stomata change?

What are the two most "precious liquids" needed for modern agricultural practices in developed countries?

Which crops are perennial plants?

What type of plant tissue includes the starch-storing tissues, such as white potatoes?

When does fertilization occur in flowering plants?

Cereal grains come from which types of plants?

As the guard cells ________, the stomata become ________.

How many copies of each plant chromosome are found in the triploid cells that make up endosperm of a typical plant?

When did humans begin the practice of agriculture?

White wheat flour is made from the tissue within the wheat kernel that nourishes the developing wheat embryo. What is this tissue called?

What is the staple crop of Asia?

In flowering plants, eggs are to ovules as

What process resulted in domesticated plants, which make up most of today's crops?

What is the ability of a plant to continue to grow throughout its lifetime?

What flower part is the female reproductive organ?

What is the difference between organic and inorganic fertilizers?

The water in which aquifer in the central United States is apparently being depleted more rapidly than it is being replenished, thus threatening the future of farming in certain regions?

Through what route does pollination in corn occur?

What is the concentration of persistent toxic chemicals at higher levels within a food chain or food web?

Modern farmers use irrigation to deliver which growth requirement to their plants?

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As the guard cells , the stomata become .