Question 1

At the Farmers' Market,which of these fruits would you select as examples of drupes?

Accepted Answer

A)  oranges and lemons
B)  peaches and plums
C)  strawberries and blackberries
D)  blueberries and tomatoes
E)  grapes and peppersF) C) and D)
G) A) and D)

Question 2

Which of the following statements about cell division and patterning in a plant embryo is not correct?

Accepted Answer

A)  The first cell division in flowering plant embryos is asymmetrical.
B)  The two daughter cells that are produced as a result of the first cell division have two separate developmental fates.
C)  Of the two daughter cells after the first division,one is smaller than the other is.
D)  The smallest daughter cell becomes the suspensor.
E)  The suspensor links the other daughter cell to the nutritive tissuE.F) C) and D)
G) A) and B)

Question 3

Scratching or chipping the seed coat (scarification) of certain seeds (like alfalfa) may speed up germination of hard coated seeds because it allows

Accepted Answer

A)  The mechanical stress activates enzymes.
B)  Water and oxygen can enter the seed to reach the embryo more quickly.
C)  Carbon dioxide can enter the seed and stimulate photosynthesis to start.
D)  Bacteria or fungi can enter the seed and trigger hormones.
E)  Damage to the seed coat releases  α\alphaα -amylases into the endosperm. F) A) and B)
G) D) and E)

Question 4

The globular stage of plant embryo development gives rise to

Accepted Answer

A)  a heart-shaped embryo stage in dicots.
B)  the suspensor of the germinating seed.
C)  double embryos within monocots.
D)  the scutellum in monocots.
E)  the rhizoid of Fucus.F) A) and D)
G) A) and E)

Question 5

Samaras are a type of fruit formed by

Accepted Answer

A)  apple and pear trees.
B)  lemon and lime trees.
C)  plum and cherry trees.
D)  mulberry trees.
E)  maple and elm trees.F) A) and D)
G) C) and D)

Question 6

Seeds cannot germinate until the embryo

Accepted Answer

A)  is stimulated by ethylene signals.
B)  absorbs water and oxygen.
C)  forms hesperidia and integuments.
D)  is exposed to fire and water.
E)  gets rid of inhibitory chemicals.F) A) and E)
G) B) and C)

Question 7

When a seed germinates,the embryo emerges from its dormancy.The embryo then begins which generation of the typical plant life cycle?

Accepted Answer

A)  sporophyte generation
B)  gametophyte generation
C)  dominant generation
D)  inconspicuous generation
E)  alternation of generationF) B) and E)
G) B) and D)

Question 8

The shoot apical meristem gives rise to all of these except

Accepted Answer

A)  leaves.
B)  roots.
C)  floral structures.
D)  stems.
E)  internodes.F) B) and C)
G) A) and B)

Question 9

Choose the letter of the best match from the following:
-The embryonic root apex.

Accepted Answer

A)  hypocotyl
B)  endosperm
C)  scutellum
D)  radicle
E)  epicotylF) B) and E)
G) A) and E)

Question 10

The style connects the _________ to the _____________.

Accepted Answer

A)  embryo;nutritional tissue
B)  anther;filament
C)  sepals;receptacle
D)  stigma;ovary
E)  pollen;embryo sacF) A) and B)
G) D) and E)

Question 11

Experiments with the brown alga Fucus helped determine that

Accepted Answer

A)  the cytoplasm in the zygote is evenly distributed throughout.
B)  the thallus anchors the alga to the surface on which it lives.
C)  light and gravity do not affect rhizoid orientation.
D)  magnesium gradients allow cell wall formation.
E)  the ability to "remember" where a rhizoid should form depends on the presence of a cell wall.F) A) and E)
G) A) and C)

Question 12

Which of the following fruits is most likely to be wind-dispersed?

Accepted Answer

A)  acorn
B)  dandelion
C)  orange
D)  coconut
E)  spiny burgrassF) All of the above
G) A) and D)

Question 13

The portion of a dicot seedling that is below the cotyledons is called the

Accepted Answer

A)  cotyledonary internode.
B)  epicotyl.
C)  hypocotyl.
D)  plumule.
E)  subcotyl.F) A) and B)
G) A) and C)

Question 14

The seed leaves that are produced by embryonic cells and are formed from bulges on the embryo are called

Accepted Answer

A)  radicles.
B)  embryo sacs.
C)  petioles.
D)  cotyledons.
E)  ovules.F) None of the above
G) D) and E)

Question 15

Why do few plants produce seeds that germinate successfully under water?

Accepted Answer

A)  Most seeds float.
B)  Oxygen concentrations are very low.
C)  The seed coats prevent water absorption.
D)  There is no CO2.
E)  Animals cannot find them to disperse them.F) B) and E)
G) A) and C)

Question 16

Which of the following is not one of the three basic embryonic tissue systems of a plant?

Accepted Answer

A)  suspensor tissue
B)  protoderm
C)  procambium
D)  ground tissueE) B) and C)
F) A) and B)

Question 17

Choose the letter of the best match from the following:
-The part of the stem axis that extends above the cotyledons in some seedlings.

Accepted Answer

A)  hypocotyl
B)  endosperm
C)  scutellum
D)  radicle
E)  epicotylF) C) and E)
G) All of the above

Question 18

Choose the letter of the best match from the following:
-The stem axis of the embryo below the cotyledons in some seedlings.

Accepted Answer

A)  hypocotyl
B)  endosperm
C)  scutellum
D)  radicle
E)  epicotylF) A) and C)
G) A) and B)

Question 19

Of the following terms,which one is not associated with the germination of corn,a monocot plant?

Accepted Answer

A)  hypocotyl
B)  coleoptile
C)  coleorhiza
D)  scutellum
E)  primary rootF) A) and E)
G) A) and D)

Question 20

Why do some seeds need to pass through an animal's digestive tract before they will germinate?

Accepted Answer

A)  The warm temperatures trigger germination.
B)  The alternating light and dark exposure triggers germination.
C)  The seeds get wet inside the animal.
D)  Digestive enzymes and strong acids make the seed coat permeable to water and oxygen.
E)  The seed travels away from the parent plant before it is excreted by the animal.F) C) and D)
G) A) and C)

Exam 37: Vegetative Plant Development

Seeds cannot germinate until the embryo

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Why do few plants produce seeds that germinate successfully under water?

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Scratching or chipping the seed coat (scarification) of certain seeds (like alfalfa) may speed up germination of hard coated seeds because it allows

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Of the following terms,which one is not associated with the germination of corn,a monocot plant?

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Samaras are a type of fruit formed by

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When a seed germinates,the embryo emerges from its dormancy.The embryo then begins which generation of the typical plant life cycle?

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Choose the letter of the best match from the following: -The stem axis of the embryo below the cotyledons in some seedlings.

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Which of the following is not one of the three basic embryonic tissue systems of a plant?

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The seed leaves that are produced by embryonic cells and are formed from bulges on the embryo are called

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Choose the letter of the best match from the following: -The embryonic root apex.

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At the Farmers' Market,which of these fruits would you select as examples of drupes?

Correct AnswerverifiedShow Answer

The style connects the _________ to the _____________.

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -The part of the stem axis that extends above the cotyledons in some seedlings.

Correct AnswerverifiedShow Answer

Experiments with the brown alga Fucus helped determine that

Correct AnswerverifiedShow Answer

Which of the following fruits is most likely to be wind-dispersed?

Correct AnswerverifiedShow Answer

The portion of a dicot seedling that is below the cotyledons is called the

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The shoot apical meristem gives rise to all of these except

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The globular stage of plant embryo development gives rise to

Correct AnswerverifiedShow Answer

Why do some seeds need to pass through an animal's digestive tract before they will germinate?

Correct AnswerverifiedShow Answer

Which of the following statements about cell division and patterning in a plant embryo is not correct?

Correct AnswerverifiedShow Answer

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The style connects the _ to the _____.

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