Deck 6: Plant Life Cycle: Fruits and Seeds

Question 1

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

A)aggregate fruit
B)drupe
C)pepo
D)multiple fruit
E)pome

Answer 1

A

Question 2

According to a decision by the U.S.Supreme Court in 1893,tomatoes are

A)berries
B)hesperidiums
C)poisonous
D)vegetables

Answer 2

D

Question 3

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)

A)follicle
B)achene
C)grain
D)legume
E)capsule

Answer 3

B

Question 4

Which of the following is not one of the pericarp layers?

A)mesocarp
B)exocarp
C)metacarp
D)endocarp

Question 5

Tomatoes belong to the mostly poisonous _______ family.

A)lily
B)hemlock
C)nightshade
D)buttercup
E)bittersweet

Question 6

Solanum lycopersicum is the scientific name of _______.

A)apple
B)chestnut
C)orange
D)tomato
E)grapefruit

Question 7

The first structure to emerge from a germinating seed is the

A)epicotyl
B)hypocotyl
C)radicle
D)cotyledon
E)coleoptile

Question 8

Zuccini squash is a(n)

A)pome
B)hesperidium
C)pepo
D)berry
E)vegetable not a fruit

Question 9

You discover a fleshy fruit with a tough,leathery rind and juice sacs each containing a single seed.You have discovered a

A)pome
B)hesperidium
C)pepo
D)berry
E)drupe

Question 10

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

A)coleoptile
B)coleorhiza
C)scutellum
D)testa
E)caryopsis

Question 11

The "Apple of Peru" is the

A)tomato
B)apple
C)chestnut
D)orange
E)grapefruit

Question 12

Corn is a(n)

A)achene
B)caryopsis
C)multiple fruit
D)drupe
E)berry

Question 13

You discover a fleshy fruit with a thin exocarp,fleshy mesocarp,and hard stony endocarp.You have discovered a

A)pome
B)hesperidium
C)pepo
D)berry
E)drupe

Question 14

In most dicots,the _______ emerges through the soil first while in most monocots,the _______ emerges through the soil first.

A)radicle - scutellum
B)epicotyl - radicle
C)hypocotyl - scutellum
D)hypocotyl - coleoptile
E)epicotyl - coleoptile

Question 15

The defining difference between monocots and dicots is

A)the number of flower parts
B)the vein pattern
C)the root type
D)number of cotyledons

Question 16

Parthenocarpy can be induced by the application of _______ to flowers before pollen is mature.

A)gibberellin
B)auxin
C)cytokinin
D)abscisic acid
E)ethylene

Question 17

Which of the following best describes a dicot seed?

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 micropyle

Question 18

A strawberry is

A)a berry
B)a pome
C)an aggregate fruit
D)an achene
E)more than one of these fruit types

Question 19

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

A)scutellum
B)radicle
C)coleoptile
D)coleorhiza
E)micropyle

Question 20

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

A)gibberellin
B)auxin
C)cytokinin
D)abscisic acid
E)ethylene

Question 21

Gibberellin works by stimulating ______.

A)internode elongation
B)cell division
C)fruit softening
D)cell elongation
E)stomatal closure

Question 22

To insure growing the same variety of apple,which of the following do large-scale apple growers do?

A)hand pollinate compatible varieties
B)only plant seeds from the tree with the desirable variety
C)graft stems from desirable varieties to hardy rootstock
D)spray crops heavily with auxin and ethylene
E)prevent bees from cross-pollinating the desirable trees with ones that are less desirable

Question 23

Ethylene works by stimulating ______.

A)internode elongation
B)cell division.
C)fruit softening
D)cell elongation
E)stomatal closure

Question 24

If _______ is applied to a dwarf plant variety it will grow to a normal height for that variety.

A)auxin
B)cytokinin
C)gibberellin
D)abscisic acid

Question 25

Bananas when put in a paper bag with a ripe avocado will ripen faster than if they are in the bag without the avocado.This happens because avocado is a super producer of _______.

A)auxin
B)ethylene
C)gibberellin
D)cytokinin

Question 26

What attracts animals to oranges?

A)the orange color
B)fragrant essential oils
C)nutritious seeds
D)brightly colored flowers

Question 27

Malus pumila is the scientific name of

A)apple
B)chestnut
C)orange
D)tomato
E)grapefruit

Question 28

Castanea dentate is the scientific name of

A)sweet orange
B)apple
C)chestnut
D)tomato
E)the fungus that causes Chestnut blight

Question 29

Cytokinins work by stimulating ______.

A)internode elongation
B)cell division
C)fruit softening
D)cell elongation
E)stomatal closure

Question 30

Auxins work by stimulating ______.

A)internode elongation
B)cell division
C)fruit softening
D)cell elongation
E)stomatal closure

Question 31

What scar is left when the seed separates from the ovary wall?

A)testa
B)micropyle
C)hilum
D)coleorhiza

Question 32

The Aft gene promotes

A)larger apples.
B)sweeter oranges.
C)larger grapefruits.
D)purple tomatoes.
E)more than one of thesE.

Question 33

The first citrus fruit known to Western civilization was the

A)sweet orange
B)grapefruit
C)lime
D)citron
E)lemon

Question 34

The red color of tomatoes is mainly the result of the pigment

A)beta-carotene
B)anthocyanin
C)chlorophyll
D)lycopene
E)xanthophyll

Question 35

What caused the demise of the American chestnut tree?

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

Question 36

Which of the following statements does not describe an apple fruit?

A)it is a pome
B)the ovary formed from the fusion of five ovaries
C)the endocarp is the papery-like material surrounding the seeds
D)most of the fruit develops from the receptacle
E)all of these statements describe an apple fruit

Question 37

Abscisic acid works by stimulating ______.

A)internode elongation
B)cell division
C)fruit softening
D)cell elongation
E)stomatal closure

Question 38

The largest of the citrus fruits is the

A)grapefruit
B)blood orange
C)citron
D)pummelo

Question 39

A winged dry fruit is known as a

A)nut
B)achene
C)samara
D)schizocarp

Question 40

To grow bright orange oranges,________ is essential.

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

Question 41

Ethylene,salicylic acid,and abscisic acid are all stress hormones released in response to the presence of pathogens.

Question 42

Phototropism is a growth response to gravity.

Question 43

Application of abscisic acid will cause leaves to drop from trees.

Question 44

The juice of the __________ may dangerously elevate blood levels of certain prescription drugs.

Question 45

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

Question 46

Achenes,nuts,and grains are all types of dry ________ fruits.

Question 47

The ____________ is a protective covering around the epicotyl of a monocot seedling.

Question 48

The navel in a navel orange is actually an aborted _______.

Question 49

During seed germination the _______ of the embryo emerges first.

Question 50

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

Question 51

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