DO NOT WRITE on EXAM Bubble in Correct Answer on Scantron

2014 Nursery/Landscape Exam

DO NOT WRITE ON EXAM!!! Bubble in correct answer on scantron.

Multiple Choice

1.Scientific names generally consist of two words, the first being the genus and the second being the:

a.Species

b.Family

c.Order

d.Cultivar

2.The halves or thick portions of a seed that contain the tissue used as food by the seedling in its early growth is the:

a.Cotyledon

b.Gymnosperm

c.Monoecious

d.Dioecious storage tissue

3.Plants tend to grow towards the light sources. This is known as:

a.Photosynthesis

b.Transpiration

c.Respiration

d.Phototropism

4.Compacted and poorly drained soils contain little ______, a gas that tree roots need to survive and grow.

a.Zenom

b.Carbon dioxide

c.Oxygen

d.Hydrogen

5.Failure to firm down the soil around a newly planted tree or shrub can result in air pockets. This may cause:

a.Drying of plant roots

b.Soil heaving in winter

c.Disease

d.Over watering problems

6.Which of the following is NOT derived from naturally occurring rocks or minerals?

a.Perlite

b.Vermiculite

c.Peat moss

d.Pea gravel

7.A complete fertilizer contains nitrogen, phosphorus and:

a.K (calcium)

b.C (calcium)

c.P (potassium)

d.K (potassium)

8.A type of propagation in which the new plant remains attached to the mother plant until its root system is established is called:

a.Layering

b.Stem cutting

c.Cleft grafting

d.Root cutting

9.What is the recommended pH range for azaleas?

a.4.5-5.5

b.6.0-6.5

c.6.5-7.0

d.7.0-7.5

10.Which of the following propagation methods usually produces the greatest amount of genetic variation in the offspring?

a.grafting

b.tissue culture

c.division

d.seeds

11.Which of the following is true about grafted plants?

a.cambium tissues of the root stock and scion unite

b.scion and rootstock are invested

c.moisture is supplied through the application of sphagnum moss

d.the scion must be taken from stems in full leaf

12.A systemic insecticide refers to an insecticide that ______.

a.kills on contact

b.is absorbed through the roots and leaves of a plant

c.is applied as a fumigant

d.does not come in a granular form

13.When mowing turf, it is recommended that no more than ______of the leaf blade be removed at each cutting.

a.one half

b.two thirds

c.one third

d.one eighth

14.A layer of partially decomposed stems, roots and leaves of grass which develops above the soil surface in the law is called ______.

a.mineral matter

b.inorganic matter

c.mulch

d.thatch

15.Plants maintain a healthy heat and moisture balance through ______.

a.photosynthesis

b.respiration

c.hybridization

d.transpiration

16.Young seedlings that rot at ground level and fall over and die are affected by ______.

a.mosaic

b.aster yellows

c.damping off

d.blight

17.Which of the following best describes seed scarification?

a.placing seed capsules in the sun for natural drying

b.plating seeds in a nursery flat to a depth of 2 times the seed diameter

c.removing some of the seed coat by using a file, sandpaper or an acid solution

d.using a dibble to spot off newly planted seedlings

18.The ______is the sticky upper portion of the pistil that collects and holds pollen.

a.anther

b.stigma

c.style

d.filament

19.The terms triploid, diploid and haploid refer to the ______.

a.a number of flowers per stem

b.formation of leaves

c.number of bud breaks expected after pruning

d.number of chromosomes

20.The openings around soil particles that hold air or water are called ______.

a.water sinks

b.pore spaces

c.moisture pores

d.moisture films

21.Natural soil is arranged in layers referred to as ______.

a.soil horizons

b.soil rings

d.soil texture

d.sand, silt and clay

22.Which of the following elements causes vegetative growth and often suppresses flower production?

a.calcium

b.phosphorous

c.potassium

d.nitrogen

23.What part of the leaf opens and closes the stoma allowing the plant to breathe, transpire give off moisture and exchange gases?

a.guard cells

b.epidermis

c.leafididimus

d.petiole

24.Most plants grow best in soil with a pH of ______.

a.6.0 to 7.0

b.7.0 or higher

c.4.0 to 5.5

d.3.6 to 4.0

25.Topsoil containing equal percentages of sand, silt and clay is called ______.

a.an organic soil

b.loam

c.a mucky soil

d.sandy silt clay

26.Larger nursery pots are measured by the:

a.gallon

b.ounce

c.inch

d.height

27.Water ______to help reduce disease in nursery crops.

a.late in the afternoon

b.early in the day

c.at night

d.with overhead sprinklers

28.The right conditions for seed germination are light or darkness, ______, ______, and ______.

a.seeds, pollination, water

b.soil, hybridization, DNA

c.water, oxygen, favorable temperatures

d.carbon dioxide, pistil, xylem

29.As roots grow, their tips are protected from course soil. This is accomplished by a mass of cells called the ______.

a.root cap

b.secondary root

c.adventitious roots

d.basal rooters

30.the flower typically consists of four different parts, sepals, petals, and ______and ______.

a.cells, pedicel

b.corolla, xylem

c.corolla, pistil

d.pistil, stamens

31.The collection of petals on a flower is referred to as the

a.corolla

b.inference

c.ovary

d.solitary flowers

32.To saw a four-inch limb off a tree, be sure to make the ______cut first to prevent stripping of the bark on the tree trunk.

a.flush

b.top

c.over

d.under

33.A multi-strategy to economically maintain/control pests below levels of significant exonimc and environmental damage is called:

a.integrated plant management

b.integrated pest management

c.integrated plant material

d.integrated pest material

34.The scientific botanical nomenclature of plants includes the:

a.Genus, species and variety

b.Genus, kingdom and species

c.Species, variety and cultivar

d.None of the above

35.An arboretum is:

a.a true botanical garden with plant co0llection habitat

b.a horticultural garden with many horticultural varieties

c.a collection of trees arranged in a naturalized fashion

d.none of the above

36.Oftentimes gardeners will remove the dying flowers from annuals. This is known as

a.pruning

b.pinching

c.dead heading

d.budding

37.Rejuvenation pruning involves:

a.cutting 1/3 of the shrub canes to the ground

b.cutting all shrub canes within 6 inches of the ground

c.cutting 1/3 of the canes each year for three years

d.cutting 1/3 of the length of all branches

38.The function of the anther in a flower is to:

a.attract insects

b.produce the eggs

c.produce the pollen

d.catch the pollen

39.Perlite is:

a.dehydrated remains of acid bog plants

b.a gray-white material of volcanic origin

c.a partially decomposed vegetation that has been preserved underwater

d.a very light, expanded material with a neutral pH

40.The first part of the new plant to emerge from the seed is the:

a.endosperm

b.leaves

c.root

d.stem

2014 Nursery/Landscape Exam Key