INDIANA HORTICULTURE CDE 2019 EXAM MULTIPLE CHOICE (PART 3)

PHOTOPERIODISM IS

• A PLANT RESPONSE TO HOW MUCH IT IS WATERED

• A PLANT RESPONSE TO THE AMOUNT OF LIGHT IT RECEIVES

• A PLANT RESPONSE TO FERTILIZER

MULCHING ANNUALS AND PERENNIALS IN THE LANDSCAPE WILL HELP TO

• CONSERVE SOIL MOISTURE

• HELP TO CONTROL WEEDS

• MODERATE SOIL TEMPERATURES

• ALL OF THE ABOVE

A POTATO TUBER IS AN UNDERGROUND, MODIFIED

• FRUIT

• LEAF

• STEM

• FLOWER

ROSES SHOULD BE WATERED IN THE MORNING OR EARLY AFTERNOON TO PREVENT

• ABNORMAL GROWTH

• OVERWATERING

• FOLIAR DISEASE

AN HERBICIDE TO BE USED AMONG A CERTAIN FOOD CROP IS NOT LISTED ON THE HERBICIDE LABEL. THE HERBICIDE IS STILL SAFE TO USE AMONG THAT FOOD CROP.

• TRUE

• FALSE

WHICH OF THE FOLLOWING FLOWERING PLANTS ARE MOST AFFECTED BY LOW WINTER TEMPERATURES?

• FORSYTHIA

• TULIP TREE

• CHERRY

• FLOWERING DOGWOOD

WHEN INDOOR PLANTS BECOME SPINDLY IT MEANS THEY NEED MORE

• LIGHT

• WATER

• GROWING MEDIA

• FERTILIZER

ALL PLANTS REQUIRE THE SAME AMOUNT OF SUNLIGHT.

• TRUE

• FALSE

SMALL QUANTITIES OF APPLES ARE BEST STORED IN MESH CONTAINERS.

• TRUE

• FALSE

FLOWERS KEEP BEST WHEN CUT BEFORE 9:00 AM

• TRUE

• FALSE