Question 1

Phototropism is a growth response to gravity.

Accepted Answer

A) True 
 B)False

Question 2

Although widely cultivated in California and Florida today,oranges and other citrus fruits are native to Brazil.

Accepted Answer

A) True 
 B)False

Question 3

The SEEDS project demonstrated that conditions of weightlessness and exposure to cosmic radiation were inhibitory to the germination of tomato seeds.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following best describes a dicot seed?

Accepted Answer

A)  two thin cotyledons,abundant endosperm,and a coleoptile
B)  one large,thick cotyledon,very little endosperm,and a hilum
C)  one thin cotyledon,abundant endosperm,and a coleorhiza
D)  two large,thick cotyledons,abundant endosperm,and a micropyleE) B) and C)
F) C) and D)

Question 5

Cytokinins work by stimulating ______.

Accepted Answer

A)  internode elongation
B)  cell division
C)  fruit softening
D)  cell elongation
E)  stomatal closureF) None of the above
G) B) and D)

Question 6

All of the following structures are found in monocot seeds except one.Choose the exception.

Accepted Answer

A)  scutellum
B)  radicle
C)  coleoptile
D)  coleorhiza
E)  micropyleF) A) and E)
G) B) and D)

Question 7

What caused the demise of the American chestnut tree?

Accepted Answer

A)  overharvesting of the tree for wood
B)  overharvesting the fruits
C)  expanding human settlements
D)  a fungal disease,Chestnut blightE) A) and B)
F) A) and C)

Question 8

To grow bright orange oranges,________ is essential.

Accepted Answer

A)  a warm tropical climate
B)  year-round rainfall
C)  cool nighttime temperatures
D)  snow at least once in the yearE) A) and B)
F) A) and C)

Question 9

Gibberellin works by stimulating ______.

Accepted Answer

A)  internode elongation
B)  cell division
C)  fruit softening
D)  cell elongation
E)  stomatal closureF) A) and E)
G) C) and D)

Question 10

Abscisic acid works by stimulating ______.

Accepted Answer

A)  internode elongation
B)  cell division
C)  fruit softening
D)  cell elongation
E)  stomatal closureF) B) and D)
G) A) and C)

Question 11

Auxins work by stimulating ______.

Accepted Answer

A)  internode elongation
B)  cell division
C)  fruit softening
D)  cell elongation
E)  stomatal closureF) A) and B)
G) B) and E)

Question 12

Zuccini squash is a(n)

Accepted Answer

A)  pome
B)  hesperidium
C)  pepo
D)  berry
E)  vegetable not a fruitF) A) and B)
G) A) and E)

Question 13

A winged dry fruit is known as a

Accepted Answer

A)  nut
B)  achene
C)  samara
D)  schizocarpE) None of the above
F) B) and C)

Question 14

__________ are fruits from tropical Asia which are known as much for their heavenly taste as for their foul smell.

Accepted Answer

The answer of __________ are fruits from tropical Asia which...

Question 15

The "Apple of Peru" is the

Accepted Answer

A)  tomato
B)  apple
C)  chestnut
D)  orange
E)  grapefruitF) A) and B)
G) None of the above

Question 16

You discover a dry fruit that does not split open.It has a single seed that is free within the pericarp.You have discovered a(n)

Accepted Answer

A)  follicle
B)  achene
C)  grain
D)  legume
E)  capsuleF) None of the above
G) C) and D)

Question 17

Which of the following structures is a protective sheath surrounding the epicotyl?

Accepted Answer

A)  coleoptile
B)  coleorhiza
C)  scutellum
D)  testa
E)  caryopsisF) A) and E)
G) All of the above

Question 18

The largest of the citrus fruits is the

Accepted Answer

A)  grapefruit
B)  blood orange
C)  citron
D)  pummeloE) A) and B)
F) A) and C)

Question 19

Research by Charles Darwin and his son lead to the discovery of the plant hormone,_______.

Accepted Answer

A)  gibberellin
B)  auxin
C)  cytokinin
D)  abscisic acid
E)  ethyleneF) A) and B)
G) A) and C)

Question 20

You discover a fleshy fruit that developed from a single flower with multiple carpels.You have discovered a(n)

Accepted Answer

A)  aggregate fruit
B)  drupe
C)  pepo
D)  multiple fruit
E)  pomeF) A) and E)
G) B) and C)

Exam 6: Plant Life Cycle: Fruits and Seeds

Research by Charles Darwin and his son lead to the discovery of the plant hormone,_______.

Correct AnswerverifiedShow Answer

Phototropism is a growth response to gravity.

Correct AnswerverifiedShow Answer

Which of the following structures is a protective sheath surrounding the epicotyl?

Correct AnswerverifiedShow Answer

Auxins work by stimulating ______.

Correct AnswerverifiedShow Answer

Which of the following best describes a dicot seed?

Correct AnswerverifiedShow Answer

__________ are fruits from tropical Asia which are known as much for their heavenly taste as for their foul smell.

Correct AnswerverifiedShow Answer

The "Apple of Peru" is the

Correct AnswerverifiedShow Answer

The largest of the citrus fruits is the

Correct AnswerverifiedShow Answer

Cytokinins work by stimulating ______.

Correct AnswerverifiedShow Answer

The SEEDS project demonstrated that conditions of weightlessness and exposure to cosmic radiation were inhibitory to the germination of tomato seeds.

Correct AnswerverifiedShow Answer

To grow bright orange oranges,________ is essential.

Correct AnswerverifiedShow Answer

You discover a dry fruit that does not split open.It has a single seed that is free within the pericarp.You have discovered a(n)

Correct AnswerverifiedShow Answer

You discover a fleshy fruit that developed from a single flower with multiple carpels.You have discovered a(n)

Correct AnswerverifiedShow Answer

What caused the demise of the American chestnut tree?

Correct AnswerverifiedShow Answer

Although widely cultivated in California and Florida today,oranges and other citrus fruits are native to Brazil.

Correct AnswerverifiedShow Answer

Gibberellin works by stimulating ______.

Correct AnswerverifiedShow Answer

Zuccini squash is a(n)

Correct AnswerverifiedShow Answer

Abscisic acid works by stimulating ______.

Correct AnswerverifiedShow Answer

All of the following structures are found in monocot seeds except one.Choose the exception.

Correct AnswerverifiedShow Answer

A winged dry fruit is known as a

Correct AnswerverifiedShow Answer

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