Question 1

The genetically identical organisms that result from asexual reproduction are called

Accepted Answer

A)  seedlings.
B)  seeds.
C)  rootlets.
D)  clones.E) A) and B)
F) All of the above

Question 2

Photosynthesis occurs in which type of plant tissue?

Accepted Answer

A)  collenchyma
B)  vascular cambium
C)  epidermal tissue
D)  parenchymaE) None of the above
F) A) and B)

Question 3

Which of the following is a function of fruits?

Accepted Answer

A)  production of food for the developing embryo
B)  attracting pollinators
C)  seed dispersal
D)  pollen dispersalE) All of the above
F) None of the above C

Question 4

Which of the following is an advantage of cloning horticultural crops over sexual propagation?

Accepted Answer

A)  Cloned plants grow more slowly,but have stronger stems.
B)  Cloned plants are healthier and less susceptible to disease.
C)  Cloning plants can allow growers to produce large numbers of plants with minimal effort and expense.
D)  Cloning provides more variation in flower color and size.E) All of the above
F) A) and D)

Question 5

Sieve- tube elements are plant cells that are part of a plant tissue called

Accepted Answer

A)  tracheids.
B)  phloem.
C)  xylem.
D)  sclereids.E) A) and B)
F) A) and C)

Question 6

How does the sperm of an angiosperm reach the egg?

Accepted Answer

A)  by actively swimming down through the style to the egg
B)  usually via an insect,which places sperm in the ovary while probing for nectar
C)  via the pollen tube that grows from the ovule to reach the pollen grain on the stigma
D)  via the pollen tube that grows from the pollen grain through the carpel tissues to the ovuleE) All of the above
F) B) and C)

Question 7

Which of the following substances,by providing strength,allows sclerenchyma cells to provide support and play a role analogous to that of an animal's skeleton?

Accepted Answer

A)  starch
B)  chlorophyll
C)  sucrose
D)  ligninE) C) and D)
F) A) and C) D

Question 8

What is the difference between the heartwood and sapwood of a tree?

Accepted Answer

A)  Heartwood no longer transports water and minerals,while sapwood still conducts xylem sap.
B)  Heartwood contains xylem and sapwood contains phloem.
C)  Heartwood contains old phloem that no longer functions,and sapwood contains functioning phloem.
D)  Sapwood contains xylem and heartwood contains phloem.E) A) and C)
F) A) and D)

Question 9

Which of the following structures is found in both plant and animal cells?

Accepted Answer

A)  chloroplasts
B)  cell wall surrounding the plasma membrane
C)  a large central vacuole containing fluid
D)  mitochondriaE) A) and D)
F) None of the above

Question 10

Which part of this seed contains stored food to allow the seed to grow until it can perform photosynthesis?

Accepted Answer

A)  part A
B)  part B
C)  part C
D)  part DE) A) and B)
F) A) and C)

Question 11

In a flowering plant,the cells that give rise to sperm undergo meiosis in the

Accepted Answer

A)  sepals.
B)  anthers.
C)  ovaries.
D)  stigma.E) A) and D)
F) C) and D)

Question 12

Which of the following statements about germination is false?

Accepted Answer

A)  A hydrated seed expands,rupturing its seed coat.
B)  Germination usually takes place after a period of dormancy.
C)  The germination of a seed represents the beginning of life.
D)  Germination usually begins when a seed takes up water.E) A) and B)
F) None of the above

Question 13

Flowers bear seeds that develop from ovules housed in protective chambers called

Accepted Answer

A)  sepals.
B)  antheridia.
C)  stamens.
D)  ovaries.E) B) and C)
F) None of the above

Question 14

Which type of vascular tissue cell in a plant is dead at maturity?

Accepted Answer

A)  sieve- tube cells
B)  parenchyma cells
C)  vessel elements
D)  companion cellsE) All of the above
F) B) and C)

Question 15

Before it opens up into full blossom,the outer green layer of a rosebud consists of the leaflike

Accepted Answer

A)  stamen.
B)  ovary.
C)  petals.
D)  sepals.E) B) and D)
F) All of the above

Question 16

Which of the following statements is false?

Accepted Answer

A)  A carrot is an example of a taproot.
B)  The layers of an onion are actually modified leaves.
C)  Stalks of celery are the petioles of the plant.
D)  White potatoes are modified plant roots.E) All of the above
F) A) and B)

Question 17

The tallest plant on Earth is

Accepted Answer

A)  a 740- foot white oak tree in Illinois.
B)  a 379- foot redwood tree in California.
C)  a giant seed fern in southern Peru.
D)  a 500- foot kelp living off the coast of California.E) A) and B)
F) All of the above

Question 18

The three tissue systems of a mature plant root complete their development in the root zone of

Accepted Answer

A)  differentiation.
B)  elongation.
C)  vascularization.
D)  cell division.E) C) and D)
F) B) and C)

Question 19

Which of the following plant parts commonly contributes to asexual reproduction?

Accepted Answer

A)  fruits
B)  flowers
C)  roots
D)  seedsE) None of the above
F) B) and C)

Question 20

Which of the following is a function of tracheids?

Accepted Answer

A)  food storage
B)  water conduction
C)  photosynthesis
D)  production of sex cellsE) A) and B)
F) All of the above B

Exam 31: Plant Structure,growth,and Reproduction

The genetically identical organisms that result from asexual reproduction are called

Correct AnswerverifiedShow Answer

Photosynthesis occurs in which type of plant tissue?

Correct AnswerverifiedShow Answer

Which of the following is a function of fruits?

Correct AnswerverifiedC

Which of the following is an advantage of cloning horticultural crops over sexual propagation?

Correct AnswerverifiedShow Answer

Sieve- tube elements are plant cells that are part of a plant tissue called

Correct AnswerverifiedShow Answer

How does the sperm of an angiosperm reach the egg?

Correct AnswerverifiedShow Answer

Which of the following substances,by providing strength,allows sclerenchyma cells to provide support and play a role analogous to that of an animal's skeleton?

Correct AnswerverifiedD

What is the difference between the heartwood and sapwood of a tree?

Correct AnswerverifiedShow Answer

Which of the following structures is found in both plant and animal cells?

Correct AnswerverifiedShow Answer

Which part of this seed contains stored food to allow the seed to grow until it can perform photosynthesis?

Correct AnswerverifiedShow Answer

In a flowering plant,the cells that give rise to sperm undergo meiosis in the

Correct AnswerverifiedShow Answer

Which of the following statements about germination is false?

Correct AnswerverifiedShow Answer

Flowers bear seeds that develop from ovules housed in protective chambers called

Correct AnswerverifiedShow Answer

Which type of vascular tissue cell in a plant is dead at maturity?

Correct AnswerverifiedShow Answer

Before it opens up into full blossom,the outer green layer of a rosebud consists of the leaflike

Correct AnswerverifiedShow Answer

Which of the following statements is false?

Correct AnswerverifiedShow Answer

The tallest plant on Earth is

Correct AnswerverifiedShow Answer

The three tissue systems of a mature plant root complete their development in the root zone of

Correct AnswerverifiedShow Answer

Which of the following plant parts commonly contributes to asexual reproduction?

Correct AnswerverifiedShow Answer

Which of the following is a function of tracheids?

Correct AnswerverifiedB

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C

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D

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B