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HORTICULTURAL SCIENCE Semester Exam Fall 2025

Total questions: 100

Worksheet time: 4hrs 18mins

Name
Class
Date
1.

THE CULTIVATION OF GRAPES FOR DIFFERENT PURPOSES.

a)

VITICULTURE

b)

OLERICULTURE

c)

POMOLOGY

d)

FLORICULTURE

2.

THE SCIENCE, CULTIVATION, PROCESSING, STORAGE AND MARKETING OF HERBS AND VEGETABLES.

a)

POMOLOGY

b)

OLERICULTURE

c)

VITICULTURE

d)

FLORICULTURE

3.

THE PRODUCTION, PROCESSING AND MARKETING OF FRUITS AND NUTS.

a)

POMOLOGY

b)

OLERICULTURE

c)

VITICULTURE

d)

FLORICULTURE

4.

APPROXIMATELY __________ OF U.S. LAND IS USED FOR VEGETABLE PRODUCTION.

a)

1%

b)

5%

c)

10%

d)

15%

5.

A _____________________ STUDIES PLANT SCIENCES AND IS SOMETIMES CALLED A PLANT SCIENTIST.

a)

BOTANIST

b)

AGRONOMIST

c)

FORESTER

d)

HORTICULTURIST

6.

THE NURSERY AND LANDSCAPE INDUSTRY IS OFTEN REFERRED TO AS THE GREEN INDUSTRY.

a)

TRUE

b)

FALSE

7.

FOLIAGE PLANTS ARE GROWN PRIMARILY FOR THEIR ______________.

a)

LEAVES

b)

FLOWERS

8.

IF YOU WANT TO GROW ORGANIC VEGETABLES IN THE UNITED STATES, WHICH GROUP AWARDS YOU A CERTIFICATION TO DO SO?

a)

UNITED STATES DEPARTMENT OF AGRICULTURE

b)

COUNTY SOIL AND WATER CONSERVATION DISTRICT

c)

FARM SERVICE AGENCY

d)

UNITED STATES ORGANIC CERTIFICATION

9.

FOR THIS TYPE OF FARMING OPERATION, A GROWER SELLS "SHARES" TO THE PUBLIC THAT REPRESENT BOXES OF SEASONAL VEGETABLES AND FRUIT THAT ARE DELIVERED TO THE CUSTOMER.

a)

COMMUNITY SUPPORTED AGRICULTURE

b)

ORGANIC DROP OFF PROGRAM

c)

SUSTAINABLE FARM INITIATIVE

d)

GREEN INDUSTRY CONSORTIUM

10.

WHICH ORGANIZATION IN DEARBORN COUNTY PROVIDES HORTICULTURAL INFORMATION FREE OF CHARGE TO YOU?

a)

COOPERATIVE EXTENSION SERVICE

b)

CSA'S

c)

TAKING ROOT

d)

NATORP'S

11.

THIS ORGANIZATION IN DEARBORN COUNTY OFFERS COST-SHARE PROGRAMS TO DEARBORN COUNTY RESIDENTS.

a)

COOPERATIVE EXTENSION SERVICE

b)

SOIL AND WATER CONSERVATION DISTRICT

c)

BRIGHT FARMERS MARKET

d)

LOGAN TOWNSHIP FARMER'S COOPERATIVE

12.

INDIANA RANKS IN THE TOP 5 FOR PEPPERMINT AND SPEARMINT PRODUCTION.

a)

TRUE

b)

FALSE

13.

______________________ ARE PLANTS GROWN TO PROVIDE FLAVORINGS TO FOODS.

a)

ANNUALS

b)

PERENNIALS

c)

HERBS

d)

TREES

14.

VEGETATIVE AND ASEXUAL PLANT PROPAGATION ARE 2 TERMS WHICH DESCRIBE THE SAME THING.

a)

TRUE

b)

FALSE

15.

______________________ PLANTS ARE PLANT MATERIAL KEPT SPECIFICALLY FOR THE PURPOSE OF PROPAGATION.

a)

STOCK

b)

LIVE

c)

LINER

d)

CLONE

16.

THE TYPE OF CUTTING BEST PERFORMED WITH A SNAKE PLANT WOULD BE _______________ CUTTINGS.

a)

HARDWOOD

b)

SOFTWOOD

c)

HERBACEOUS

d)

LEAF

17.

MR. JOHNSON'S RECOMMENDATION FOR THE LENGTH OF YOUR STEM CUTTINGS IS AT LEAST __________ INCHES LONG?

a)

2

b)

4

c)

8

d)

10

18.

A FORM OF ASEXUAL PROPAGATION THAT ALLOWS STEMS THAT ARE STILL ATTACHED TO THE PARENT PLANT TO FORM ROOTS.

a)

STEM CUTTINGS

b)

LAYERING

c)

DIVISION

d)

LEAF CUTTINGS

19.

A CUTTING OF SOFT, SUCCULENT, NEW GROWTH FROM A SHRUB OR TREE WOULD BE A __________________ CUTTING.

a)

HARDWOOD

b)

SOFTWOOD

20.

FLOWER BUDS SHOULD BE REMOVED FROM A HERBACEOUS STEM CUTTING.

a)

TRUE

b)

FALSE

21.

BLOOMED FLOWERS SHOULD BE KEPT ON A HERBACEOUS STEM CUTTING.

a)

TRUE

b)

FALSE

22.

WHEN TAKING A STEM CUTTING LOWER LEAVES SHOULD ________________________.

a)

REMAIN ON THE PLANT

b)

BE REMOVED FROM THE PLANT

23.

_____________________ are specialized stems that grow horizontally above ground and form new plants.

a)

RUNNERS

b)

TUBERS

c)

RHIZOMES

d)

CORMS

24.

DIVISION IS A SLOW PROCESS AND IS USED BY MANY HOME GARDENERS.

a)

TRUE

b)

FALSE

25.

I HAVE LOCATED A PLANT IN MY LANDSCAPE TO DIVIDE. IT IS A HOSTA. WHAT WOULD BE MY NEXT STEP?

a)

CUTTING THE ROOTS IN HALF

b)

DIG THE PLANT OUT OF THE GROUND

c)

REMOVE FLOWER BUDS

d)

REMOVE DEAD GROWTH

26.

PICTURED IS AN EXAMPLE OF A MODIFIED STEM WITH A SHORT, FLESHY BASAL PLATE FROM WHICH ROOTS GROW. WHAT IS IT?

a)

TUBER

b)

BULB

c)

CORM

d)

RHIZOME

27.

PICTURED IS A PHOTO OF A MODIFIED ENLARGED STEM THAT HAVE BECOME SPECIALIZED TO BE UNDERGROUND STORAGE ORGANS. WHAT IS IT?

a)

TUBER

b)

RHIZOME

c)

CORM

d)

BULB

28.

PICTURED IS A MODIFIED STEM STRUCTURE THAT GROWS HORIZONTALLY BELOW OR NEAR THE SOIL SURFACE. WHAT IS IT?

a)

TUBER

b)

RHIZOME

c)

BULB

d)

CORMS

29.

This part of a graft is a young shoot or twig of a plant.

a)

scion

b)

rootstock

30.

NAME THIS PLANT THAT WE HAVE TAKEN MANY CUTTINGS FROM.

a)

SWEDISH IVY

b)

SNAKE PLANT

c)

ALOE VERA

d)

WANDERING JEW

31.

SEEDS ARE RESPONSIBLE FOR GENETIC VARIATION OF A SPECIES.

a)

TRUE

b)

FALSE

32.

SEEDS ARE FORMED AS A RESULT OF THE FERTILIZATION PROCESS.

a)

TRUE

b)

FALSE

33.

The process by which seeds begin to grow.

a)

SCARIFICATION

b)

GERMINATION

c)

SPROUTING

d)

FERTILIZING

34.

LIVING SEED IS KNOWN AS ______________ SEED.

a)

NOT DEAD

b)

VIABLE

c)

VARIABLE

d)

GOOD

35.

I PLANTED 50 SEEDS AND 42 OF THEM GERMINATED. WHAT IS MY GERMINATION PERCENTAGE?

a)

42

b)

70

c)

84

d)

95

36.

WHICH OF THE 4 CONDITIONS LISTED BELOW IS NOT NEEDED FOR SEEDS TO GERMINATE?

a)

TEMPERATURE

b)

WATER

c)

OXYGEN

d)

SPACE

37.

A saturated seedbed has plenty of oxygen available for seeds to germinate.

a)

TRUE

b)

FALSE

38.

SEEDS HAVE A PHYSIOLOGICAL ADAPTATION THAT ALLOWS THEM TO DELAY SEED GERMINATION.

a)

SEED SCARIFICATION

b)

SEED DORMANCY

c)

STRATIFICATION

d)

LIGHT SCARIFICATION

39.

IN NATURE, WHICH OF THE FOLLOWING DOES NOT CAUSE SEED COATS TO BREAK DOWN SLOWLY OVER TIME

a)

PEOPLE

b)

MICROORGANISMS

c)

WEATHER

40.

PHYSICALLY REMOVING PART OF A SEED COAT TO ALLOW IMBIBITION OF WATER IS CALLED ___________________.

a)

SEED DORMANCY

b)

SEED SCARIFICATION

c)

CHEMICAL STRATIFICATION

d)

CHEMICAL DORMANCY

41.

SEED COATS ARE CHIPPED OR WEAKENED BY RUBBING WITH SANDPAPER, SCRAPING OR CRACKING IS KNOWN AS __________________________ SCARIFICATION.

a)

MECHANICAL

b)

CHEMICAL

c)

HOT WATER

d)

NATURAL

42.

GOOD SEEDBEDS SHOULD BE WELL DRAINED.

a)

TRUE

b)

FALSE

43.

SOIL IN A GOOD SEEDBED SHOULD HAVE GOOD CONTACT WITH THE SEEDS PLANTED IN THEM.

a)

TRUE

b)

FALSE

44.

WITH A RAISED GARDEN BED LIKE WE HAVE AT ECHS, WHAT PIECE OF EQUIPMENT WOULD NOT BE NEEDED TO HELP PREPARE THE SEEDBED?

a)

SPADE

b)

SHOVEL

c)

RAKE

d)

ROTOTILLER

45.

WHICH TEMPERATURE IS MORE IMPORTANT WHEN DECIDING THE CORRECT TIME TO PLANT SEED?

a)

AIR TEMPERATURE

b)

SOIL TEMPERATURE

46.

SOME SEEDS ARE PRE-TREATED WITH CHEMICAL FUNGICIDES TO MINIMIZE DISEASE RISKS.

a)

TRUE

b)

FALSE

47.

TYPICALLY THE LARGER THE SEED, THE __________________ IT SHOULD BE PLANTED.

a)

DEEPER

b)

SHALLOWER

48.

SEEDS PLANTED TOO ______________________ WILL COMPETE FOR LIGHT, WATER AND NUTRIENTS.

a)

CLOSE TOGETHER

b)

FAR APART

49.

SEEDS PLANTED TOO _______________________ ALLOW FOR WEED GROWTH AND WASTE SPACE.

a)

CLOSE TOGETHER

b)

FAR APART

50.

THE BEST PLACE TO FIND SEED DEPTH AND SEED SPACING INFORMATION IS ON THE SEED PACKET ITSELF.

a)

TRUE

b)

FALSE

51.

MATURE SEEDS COME FROM UNRIPENED FRUIT.

a)

TRUE

b)

FALSE

52.

SEEDS SHOULD BE HARVESTED BEFORE THEY DISPERSE NATURALLY.

a)

TRUE

b)

FALSE

53.

WHICH OF THE FOLLOWING DESCRIBES THE BEST TYPE OF ENVIRONMENT TO STORE SEEDS?

a)

WARM AND DAMP

b)

COOL AND DAMP

c)

WARM AND DRY

d)

COOL AND DRY

54.

THE "DOOMSDAY" SEED VAULT IS LOCATED IN THIS COUNTRY

a)

NORWAY

b)

FRANCE

c)

SWEDEN

d)

ICELAND

55.

A MAIN GOAL OF THE WORLD SEED BANK IS TO STORE SEEDS FOR FUTURE GENERATIONS TO USE.

a)

TRUE

b)

FALSE

56.

SEEDS THAT FLOAT ARE USUALLY NOT VIABLE.

a)

TRUE

b)

FALSE

57.

SEED PACKETS DO NOT PROVIDE INFORMATION ON SEED PLANTING DEPTH OR SPACING OF ROWS.

a)

TRUE

b)

FALSE

58.

WHEN PREPARING A GARDEN BED TO PLANT SEED, ROCKS AND CLODS OF SOIL SHOULD BE REMOVED.

a)

TRUE

b)

FALSE

59.

IMBIBITION IS,

a)

PROCESS OF TAKING IN WATER BY THE SEED

b)

PROCESS OF SEED DORMANCY

c)

PROCESS OF ROOT FORMATION

d)

SEED SCARIFICATION

60.

WHICH OF THE FOLLOWING IS NOT A FUNCTION OF PLANT ROOTS?

a)

TAKE IN WATER

b)

SUPPORT THE PLANT

c)

TAKE IN NUTRIENTS

d)

EVAPORATE EXCESS MOISTURE

61.

THESE ROOTS GROW DIRECTLY DOWNWARD.

a)

TAPROOTS

b)

FIBROUS ROOTS

62.

THIS ROOT SYSTEM IS SHALLOW AND DENSE

a)

FIBROUS ROOTS

b)

TAPROOTS

63.

WHAT TYPE OF ROOTS ARE IN THE PHOTO?

a)

FIBROUS ROOTS

b)

ADVENTITIOUS ROOTS

c)

TAPROOTS

64.

STEMS CONDUCT WATER AND NUTRIENTS.

a)

TRUE

b)

FALSE

65.

A STEMS GROWING POINT IS A _______________.

a)

NODE

b)

INTERNODE

c)

AXIL

d)

BUD

66.

____________________________ ARE FOUND AT THE SHOOT TIP.

a)

NODES

b)

BUDS

c)

TERMINAL BUDS

d)

AXILS

67.

WHICH OF THE FOLLOWING IS NOT ONE OF THE TWO PARTS OF A LEAF?

a)

BLADE

b)

STEM

c)

PETIOLE

68.

LEAVES ARE ATTACHED TO A PLANT IN ONE OF 3 WAYS. WHICH OF THE FOLLOWING BELOW IS NOT ONE OF THEM?

a)

ALTERNATE

b)

WHORLED

c)

OPPOSITE

d)

COMPOSITE

69.

SIMPLE LEAVES HAVE ________________ LEAF BLADE(S).

a)

MULTIPLES OF 5

b)

1

c)

2

d)

3

70.

COMPOUND LEAVES HAVE 2 OR MORE BLADES KNOWN AS ___________________________.

a)

STIPULES

b)

LEAFLETS

c)

SESSILES

d)

LEAF FOLDS

71.

WHAT TYPE OF LEAF IS IN THE PHOTO?

a)

PINNATE

b)

PALMATE

72.

NAME THE TYPE OF LEAF.

a)

SIMPLE

b)

COMPOUND

73.

NAME THE TYPE OF LEAF.

a)

SIMPLE

b)

COMPOUND

74.

WHICH OF THE FOLLOWING IS NOT ONE OF THE 4 MAIN PARTS OF A FLOWER?

a)

SEPALS

b)

STAMENS

c)

PETALS

d)

PETIOLE

75.

THE FEMALE PARTS OF A FLOWER.

a)

STAMEN

b)

CALYX

c)

PISTIL

d)

COROLLA

76.

THE MALE PARTS OF A FLOWER

a)

SEPALS

b)

STAMEN

c)

PETALS

d)

PISTIL

77.

WHICH PART OF THE PISTIL RECEIVES POLLEN FROM THE ANTHER?

a)

STIGMA

b)

OVARY

c)

STYLE

78.

THIS PART OF THE STAMEN PRODUCES POLLEN.

a)

ANTHER

b)

FILAMENT

79.

A ______________________ SURROUNDS AND PROTECTS THE FLOWER BUD.

a)

SEPAL

b)

STAMEN

c)

COROLLA

d)

ANTHER

80.

COLLECTIVELY, SEPALS ARE KNOWN AS THE ______________.

a)

CALYX

b)

COROLLA

c)

STAMEN

d)

PISTIL

81.

STAMINATE FLOWERS CONTAIN ONLY THE ANTHER AND FILAMENT.

a)

TRUE

b)

FALSE

82.

______________________________ PLANTS HAVE MALE AND FEMALE FLOWERS ON THE SAME PLANT.

a)

MONOECIOUS

b)

DIOECIOUS

83.

THE 4 MAIN PARTS OF A FLOWER ARE ALL OF THE FOLLOWING EXCEPT THIS.

a)

SEPALS

b)

PETALS

c)

STAMENS

d)

PISTILS

e)

PETIOLE

84.

A FRUIT IS A MATURE ____________________________.

a)

OVARY

b)

STAMEN

c)

PISTIL

d)

ANTHER

85.

THE PURPOSE OF A FRUIT IS TO PROTECT THE SEED AND TO AID IN ___________________________________.

a)

SEED DISPERSAL

b)

SEED DORMANCY

c)

FLAVOR DEVELOPMENT

d)

TRANSPIRATION

86.

CHERRIES, PEACHES, PLUMS AND OLIVES ARE EXAMPLES OF ____________________________.

a)

BERRIES

b)

DRUPES

c)

POMES

87.

THE PINTO BEANS SHOWN HERE ARE THIS TYPE OF DRIED FRUIT.

a)

FOLLICLE

b)

LEGUME

c)

SILIQUE

d)

CAPSULE

88.

MAPLE

a)

SAMARA

b)

ACHENE

c)

NUT

d)

SCHIZOCARP

89.

THE SWEDISH NATURALIST THAT STARTED THE SCIENTIFIC NAMING OF PLANTS.

a)

LINNAEUS

b)

LINUES

c)

LINNAUES

d)

LINNIAS

90.

THE NAME THAT MOST PLANTS GO BY.

a)

BOTANICAL NAME

b)

SCIENTIFIC NAME

c)

COMMON NAME

91.

SOME PLANTS HAVE MANY COMMON NAMES.

a)

TRUE

b)

FALSE

92.

DICOT PLANTS POSSESS __________ COTYLEDONS.

a)

1

b)

2

c)

3

d)

6

93.

A ________________ is a subset of organisms within a family that share similar characteristics.

a)

GENUS

b)

SPECIES

c)

VARIETY

d)

CULTIVAR

94.

What should always be done with the first letter of a genus?

a)

LEFT ALONE

b)

CAPITALIZED

c)

ITALICIZED

d)

WRITE IN LOWER CASE

95.

A river birch has the scientific name of Betula nigra. What is the genus in that scientific name?

a)

Betula

b)

nigra

96.

A ____________________ is the 2nd half of a binomial name of a plant species.

a)

SPECIFIC EPITHET

b)

GENUS

c)

VARIETY

d)

CULTIVAR

97.

WHAT IS THE SPECIFIC EPITHET OF THE RIVER BIRCH TREE? IT HAS THE BOTANICAL NAME OF BETULA NIGRA.

a)

BETULA

b)

NIGRA

98.

THE RED SUNSET CULTIVAR OF THE RED MAPLE WOULD BE WRITTEN THIS WAY.

a)

ACER RUBRUM 'RED SUNSET'

b)

ACER RUBRUM "RED SUNSET"

99.

A __________________________ key is a tool that gives users paired choices, called couplets.

a)

TABLET

b)

DICHOTOMOUS

c)

GENUS

d)

SPECIES

100.

A Japanese Maple has the botanical name of Acer palmatum var. atropurpureum. What does VAR. stand for?

a)

Variance

b)

Variety

c)

Vargosis

d)

Variegated