Question 1

Many seeds contain oils as a significant part of the nutritional reserves in addition to some starch because

Accepted Answer

A)  Oils help keep the embryo hydrated,allowing the seed to spread to drier habitats.
B)  The oils allow the embryo to adjust itself relative to gravity.
C)  Oils contain more mineral nutrients than carbohydrates.
D)  Oils store about twice as much energy as an equivalent amount of starch.
E)  Hormones diffuse more quickly through the oils.F) B) and E)
G) A) and C)

Question 2

Which of the following is not one of the early developmental stages that establishes a plant's basic body plan?

Accepted Answer

A)  early cell division and patterning
B)  establishment of the root-shoot axis
C)  establishment of the three embryonic tissue systems
D)  synchronization of the biological clock
E)  morphogenesisF) A) and B)
G) A) and C)

Question 3

An embryo containing the SHOOTMERISTEMLESS (stm) gene mutation and the hobbit gene mutation would still be able to develop which of these structures?

Accepted Answer

A)  root cap
B)  shoot apical meristem
C)  root apical meristem
D)  leaf primordia
E)  cotyledonsF) A) and E)
G) A) and D)

Question 4

Which part of an ovule ultimately forms the seed coat?

Accepted Answer

A)  outside of the embryo sac
B)  micropyle
C)  integuments
D)  pollen tube remnants
E)  synergidsF) A) and C)
G) None of the above

Question 5

The elongated structure that links the embryo to the nutrient tissue of the seed is called the

Accepted Answer

A)  suspensor.
B)  epidermal tissue.
C)  ground tissue.
D)  embryo sac.
E)  ovulE.F) B) and E)
G) D) and E)

Question 6

Choose the letter of the best match from the following:
-A single cotyledon found in the kernels of cereal grains.

Accepted Answer

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

Question 7

Which of the following statements about plant embryos is correct?

Accepted Answer

A)  The suspensor forms from the shoot apical meristem before development of the root apical meristem.
B)  The development of the shoot and root apical meristems is controlled independently.
C)  The plant hormone abscisic acid is important in the development of the shoot-root axis.
D)  The protoderm establishes the procambium tissue in the young plant embryo.
E)  Apical meristems can increase the diameter of a stem provided the hormone levels are adequate at the time of germination.F) A) and E)
G) A) and D)

Question 8

Which of the following statements does not describe a characteristic of morphogenesis in plant embryos?

Accepted Answer

A)  Changes in the rate of cell division occur.
B)  Many cell divisions occur but the embryos do not increase in size much.
C)  Cells expand as they form as a result of turgor pressure.
D)  Changes in the planes of cell division occur.
E)  Plant hormones influence the orientation of microtubule deposition on the interior of the plasma membranE.F) A) and B)
G) A) and C)

Question 9

Animals are not attracted to fruits before the seeds are mature because

Accepted Answer

A)  their photosynthesis does not contributes to seed nutritional storage reserves.
B)  many fruits are green,hard,and sour before they become ripe.
C)  immature fruits do not absorb wavelengths of light that would trigger seed germination.
D)  Animals are no hungry at this time.
E)  hormones have not been triggered yet.F) B) and E)
G) A) and D)

Question 10

Which of the following statements about plant development is true?

Accepted Answer

A)  The radial axis of the developing embryo develops before the root-shoot axis.
B)  One gene controls nearly all plant root and shoot formation.
C)  The MONOPTEROS gene (MP) stimulates chlorophyll synthesis in seeds.
D)  Gibberellic acid is important in root-shoot axis formation.
E)  Cells nearest to the suspensor ultimately form the root.F) A) and C)
G) B) and D)

Question 11

Choose the letter of the best match from the following:
-Nutritive tissue within angiosperm seeds.

Accepted Answer

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

Question 12

Gymnosperms do not produce which of these structures associated with seeds?

Accepted Answer

A)  cotyledons
B)  storage reserves
C)  samaras
D)  seed coats
E)  suspensorsF) None of the above
G) B) and E)

Question 13

Which of the following is not a feature of a seed?

Accepted Answer

A)  It contains a protective coat formed from the outer layers of ovule cells.
B)  The embryo is surrounded by nutritive tissue or has cotyledons that contain nutritive tissue.
C)  It contains a large percentage of water to support the embryo.
D)  It is a complex structure that allows the embryo to be dispersed to distant sites.
E)  Environmental signals such as light or temperature can trigger germination.F) A) and D)
G) All of the above

Question 14

Which of the following molecules are not important food reserves in seeds?

Accepted Answer

A)  starch
B)  waxes
C)  proteins
D)  fats
E)  oilsF) A) and B)
G) A) and C)

Exam 37: Vegetative Plant Development

Which of the following statements does not describe a characteristic of morphogenesis in plant embryos?

Correct Answer
verified

Animals are not attracted to fruits before the seeds are mature because

Correct Answer
verified

Which of the following is not a feature of a seed?

Correct Answer
verified

Which part of an ovule ultimately forms the seed coat?

Correct Answer
verified

Which of the following statements about plant embryos is correct?

Correct Answer
verified

Many seeds contain oils as a significant part of the nutritional reserves in addition to some starch because

Correct Answer
verified

Gymnosperms do not produce which of these structures associated with seeds?

Correct Answer
verified

Choose the letter of the best match from the following: -Nutritive tissue within angiosperm seeds.

Correct Answer
verified

Which of the following molecules are not important food reserves in seeds?

Correct Answer
verified

The elongated structure that links the embryo to the nutrient tissue of the seed is called the

Correct Answer
verified

Choose the letter of the best match from the following: -A single cotyledon found in the kernels of cereal grains.

Correct Answer
verified

An embryo containing the SHOOTMERISTEMLESS (stm) gene mutation and the hobbit gene mutation would still be able to develop which of these structures?

Correct Answer
verified

Which of the following statements about plant development is true?

Correct Answer
verified

Which of the following is not one of the early developmental stages that establishes a plant's basic body plan?

Correct Answer
verified

Exam 37: Vegetative Plant Development

Which of the following statements does not describe a characteristic of morphogenesis in plant embryos?

Correct AnswerverifiedShow Answer

Animals are not attracted to fruits before the seeds are mature because

Correct AnswerverifiedShow Answer

Which of the following is not a feature of a seed?

Correct AnswerverifiedShow Answer

Which part of an ovule ultimately forms the seed coat?

Correct AnswerverifiedShow Answer

Which of the following statements about plant embryos is correct?

Correct AnswerverifiedShow Answer

Many seeds contain oils as a significant part of the nutritional reserves in addition to some starch because

Correct AnswerverifiedShow Answer

Gymnosperms do not produce which of these structures associated with seeds?

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -Nutritive tissue within angiosperm seeds.

Correct AnswerverifiedShow Answer

Which of the following molecules are not important food reserves in seeds?

Correct AnswerverifiedShow Answer

The elongated structure that links the embryo to the nutrient tissue of the seed is called the

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -A single cotyledon found in the kernels of cereal grains.

Correct AnswerverifiedShow Answer

An embryo containing the SHOOTMERISTEMLESS (stm) gene mutation and the hobbit gene mutation would still be able to develop which of these structures?

Correct AnswerverifiedShow Answer

Which of the following statements about plant development is true?

Correct AnswerverifiedShow Answer

Which of the following is not one of the early developmental stages that establishes a plant's basic body plan?

Correct AnswerverifiedShow Answer

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