2025 Online Horticulture Quiz

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The contest will be made available starting at 8:00 AM on Tuesday, June 10, 2025, through 8:00 AM on Tuesday, June 24, 2025. It tests your knowledge in 3 areas; identification, judging, and general knowledge. Please provide the answer you think is correct for each of the questions. Please fill in your information including your full name, county, and 4-H age so we can get all of your information correct. This quiz contains pictures, so high speed internet might be preferred. If you have questions, please contact Elizabeth Exstrom at eexstrom2@unl.edu.

Email *

Name (First Name and Last Name) *

What Nebraska county do you live in?
*

What is your 4-H Age? *

I understand that I am to not use any resources or the internet while taking the exam and that I am following the 4-H Code of Conduct.
*

Yes

Which of the following plants grows for one season then produces seed and dies?

2 points

Annual

Perennial

Biennial

All of the above

Clear selection

What is this plant?

2 points

Tulip

Forsythia

Willow

Lilac

Clear selection

__________ are plants that grow as a rosette the first year and flowers the second year.

2 points

Biennial

Annual

Perennials

All of the above

Clear selection

What is this plant?

2 points

English Ivy

Rose

Poppy

Hollyhock

Clear selection

When should spring flowering bulbs be planted?

2 points

Spring

Summer

Fall

Winter

Clear selection

Which of the following is naturally occurring and comes true from seed?

2 points

Variety

Cultivar

Clear selection

Which information is included on a seed packet?

2 points

Type of plant

Days to harvest

Planting instructions

All of the above

Clear selection

What plant do these belong to?

2 points

Beet

Carrot

Pea

Dill

Clear selection

Which of the following terms means cultivated variety and should be reproduced using cuttings?

2 points

Variety

Cultivar

Clear selection

Tender annuals can tolerate cool temperatures and light frost

2 points

True

False

Clear selection

What plant do these belong to?

2 points

Walnut

Pecan

Almond

Coffee

Clear selection

What plant do these belong to?

2 points

Walnut

Pecan

Almond

Peach

Clear selection

A pH of 5.7 in your garden soil is ________?

2 points

Acidic

Basic (Alkaline)

Neutral

None of the above

Clear selection

What element gives plants their green color?

2 points

Nitrogen

Potassium

Calcium

Phosphorus

Clear selection

Controlling pest insects in the garden by using beneficial insects is called _________.

2 points

Cultural Control

Biological Control

Mechanical Control

All of the Above

Clear selection

What is this plant?

2 points

Peach

Pear

Apple

Plum

Clear selection

Perfect flowers contain which of the following plant parts?

2 points

Stamen

Pistil

Both stamen and pistil

Either stamen or pistil

Clear selection

Imperfect flowers contain which of the following plant parts?

2 points

Stamen

Pistil

Both stamen and pistil

Either stamen or pistil

Clear selection

Which of the following production methods lifts plants out of the soil and ships them without anything covering the roots?

2 points

Balled and burlapped (B&B)

Container Grown

Bare Root

Packaged

Clear selection

Rank the soil particles in size from largest to smallest.

2 points

Silt, sand, clay

Sand, silt, clay

Clay, silt, sand

Sand, clay, silt

Clear selection

What is this plant?

2 points

Dogwood

Yew

Chrysanthemum

Aster

Clear selection

There is only one common name per plant.

2 points

True

False

Clear selection

What plant does this belong to?

2 points

Tulip

Daffodil

Begonia

None of the above

Clear selection

There is only one scientific name per plant.

2 points

True

False

Clear selection

On the fertilizer bag, there are three numbers in bold print (24-4-8). What nutrient is the middle number (4)?

2 points

Nitrogen

Phosophorus

Potassium

Calcium

Clear selection

What is this plant?

2 points

Apple

Tomato

Pepper

Eggplant

Clear selection

Which of the following is a gymnosperm?

2 points

Ash

Maple

Oak

Ginkgo

Clear selection

Which of the following production method places plants into plastic bags packed with sawdust?

2 points

Balled and burlapped (B&B)

Container Grown

Bare root

Packaged

Clear selection

What is the proper way to write the scientific name for red oak?

2 points

'quercus rubra'

Quercus Rubra

Quercus rubra

quercus rubra

Clear selection

What is this plant?

2 points

Cabbage

Lettuce

Brussels sprouts

Kale

Clear selection

Which state ranks highest in citrus production?

2 points

Georgia

Florida

Washington

Michigan

Clear selection

The terms 'cultivar' and 'variety' have the same meaning.

2 points

True

False

Clear selection

What plant do these belong to?

2 points

Peach

Blackberry

Apple

Strawberry

Clear selection

Which of the following is a cool season crop?

2 points

Tomato

Potato

Radish

Eggplant

Clear selection

What growing conditions are ideal for blueberries?

2 points

Standing water

Basic (Alkaline) soils

Acidic soils

Areas that don't freeze

Clear selection

What plant does this belong to?

2 points

Spruce

Fir

Juniper

Pine

Clear selection

What is the Nebraska State Tree?

2 points

White Oak

Ponderosa Pine

American Elm

Cottonwood

Clear selection

What is this plant?

2 points

Tulip

Daffodil

Crocus

Iris

Clear selection

Nitrogen, phosphorus and potassium are known as _____________________?

2 points

Primary macronutrients

Secondary macronutrients

Micronutrients

All of the Above

Clear selection

Which nutrient gives plants their dark green color?

2 points

Nitrogen

Potassium

Phosphorus

Calcium

Clear selection

What plant is this?

2 points

English Ivy

Creeping fig

Schefflera

Snake Plant

Clear selection

What plant is this?

2 points

English Ivy

Creeping fig

Schefflera

Snake Plant

Clear selection

What plant is this?

2 points

English Ivy

Creeping fig

Schefflera

Snake Plant

Clear selection

Which of the following is a warm season turfgrass?

2 points

Kentucky Bluegrass

Tall Fescue

Zoysia

None of the above

Clear selection

Which of the following is a cool season turfgrass?

4 points

Kentucky Bluegrass

Tall Fescue

Buffalograss

None of the above

Clear selection

How much of the turf blade should be removed at any one mowing

2 points

1/4

1/3

1/2

none of the above

Clear selection

A 10-10-10 fertilizer is known as a(n) _________________?

2 points

Complete fertilizer

Incomplete fertilizer

Clear selection

Which of the following is a benefit of adding compost?

2 points

Provides nutrients

Increases water holding capacity

Improves soil structure

All of the above

Clear selection

Judging: Rank the groups of from BEST to WORST. Judge on the basis of condition, quality, uniformity, true-to-type, and size. *Cultivar doesn't matter*

2 points

1, 2, 3, 4

2, 3, 4, 1

1, 4, 2, 3

1, 3, 4, 2

None of the above

Clear selection

Judging: Rank the groups of from BEST to WORST. Judge on the basis of condition, quality, uniformity, true-to-type, and size. *Cultivar doesn't matter*

2 points

1, 2, 3, 4

2, 3, 4, 1

4, 3, 2, 1

3, 1, 2, 4

None of the above

Clear selection

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