NCSU HS201 Final Exam

Viticulture is

the growth and study of grapes

What color are the flowers of poinsettias?

yellow

A herbaceous perennial plant

non-woody plants that typically dies back to the ground in the winter and then re-grows from the roots the following spring

Humans are in what biological classification order?

primates

In the plant world: can a variety have a cultivar?

yes

Humans are in what biological classification class?

mammals

Ferns are in a class of plants that reproduce by

spores

Dicots are

a sub-classification within the class angiosperms

Swedish botanist who created the current system of plant nomenclature

Carl Linneaus

Which of the following is an example of a class of plants that we discussed?

Angiospermae

Which of the following is the properly written name of an interspecific hybrid plant?

Abelia x grandiflora (underlined/italicized)

What is the primary difference between plants in the class Angiospermae and plants in the class Gymnospermae?

Gymnosperms bear "naked seeds" and angiosperms bear seeds that are enclosed in a fruit

Modified leaf which aides in a vine's ability to climb:

tendrils

Plant taxonomy/classification is a system that classifies plants based on their

flower characteristics

Vegetative plant parts can be variable from location to location. Which of the following is NOT a reason why plant leaves (vegetative parts) can change or be different on the same plant or different plants of the same species?

Chemical composition

All of the following characteristics make a plant horticultural and NOT agronomic EXCEPT:

maximum productivity focused on large acreage and not individual plants

The USDA Hardiness Zone Map outlines 11 different areas in North America (13 on the new 2010 map where plants can grow. What data were used to generate this map?

average minimal temperatures for a given area

A plant sexual condition in which a plant species has male flowers on one plant and female flowers on another separate plant (two houses)

dioecious

Which of the following is a clone?

Cultivar

Which of the following is an example of a biennial plant that we discussed in class?

carrot

An example of a microclimate in the landscape would be?

next to the southside of a brick building

The study of wine and wine making is

enology

Horticulture is derived from which two latin

hortus and culturae

A division of plants known to have a vascular system for transporting materials is called:

tracheophyta

Which of the following is a properly written plant cultivar name?

Lagerstroemia indica (italicized) 'Victor Red'

What state is the #1 producer of vegetables in the country?

California

Special Tribute Tree that was a survivor of 9/11 and was nursed back to health and replanted at the memorial at ground zero

Pyrus (flowering pear)

When discussing post-harvest physiology, we discussed many examples. Which of the following examples did we not mention or discuss?

pecans and walnuts

A variety is a sub-classification of a species of a plant that:

has a naturally occurring mutation that can be passed on to the offspring through the seed without any help from mankind

At the beginning of the plant nomenclature lecture we talked about common names and Brian gave several examples of some plants that have interesting common names. One of the plants discussed was brought into the classroom and passed around. Which plant was it?

devil's walking stick

During our discussion on deciduous/evergreen plants we talked about pine straw and the fact that even though it is "evergreen" it still loses some leaves (needles) every year. One of the main uses of this pine straw is for landscape mulch. What was the major concern Brian warned you about in regard to pine straw that's placed next to buildings (against the building itself)?

fire hazard

We discussed the reasons why one should know if a plant is monoecious or dioecious in regards to fruit. What was the plant that produced the huge (soft-ball-sized) fruit that busted the lady's windshield?

Maclura pomifera

Which English estate/garden has The Great Vine which is housed in a greenhouse and has a large open area of soil (outside the greenhouse) and helps provide space for its roots to grow?

Hampton Court

On a plant, shade leaves are ______ compared to sun leaves

larger and less lobed

How many angiosperm plants are there in the world (give or take a few)?

250,000

Members of the Solanaceae family include all of the following except:

carrot

When discussing gymnosperms in class, Brian brought in some items (3 in total) to show as an example of the "reproductive" structures of conifers. What were they?

pine cones from California (longest cones in the world)

The species name of a plant must contain?

The genus + specific epithet

The binomial classification of plants:

groups plants based on flower structure, is a two name system for identifying plants, is derived from latin, and is recognized internationally (all of the above)

All gymnosperms are conifers

False

the genus is a noun

true

the study of the cultivation of fruits

pomology

The architect of the Biltmore House in Asheville, NC

Richard Morris Hunt

A "volunteer" plants is an annual plant that returns every year

true

Which of the following plants did we NOT discuss relative to the importance of knowing if a plant is monoecious or dioecious?

apple

NC has how many of the 13 Hardiness Zones (not including the a's and b's)?

3

Which of the following is NOT a method used by vines to climb?

whip shoots

Which of the following is NOT a plant habit?

weed

Evergreen plants retain all of their foliage all of the time (they do not shed leaves)

false

Which of the following is a plant family?

Aquifoliaceae

Pollination is:

when pollen lands on the stigma, it gets stuck there and the plants accepts it

Emasculation is the removal of which plant part?

anthers

Plants that will accept their own pollen are called:

self-compatible

The plant which exhibits Cleistogamous flowering that we discussed in detail is the

corn

We discussed plant pollen as being a natural product that is very high in protein. Which plant did we talk about that has over 200 bioactive natural nutrients and vitamins? It is collected and sold commercially

pine

Fertilization is

when the genetic information from the pollen is transferred into the ovule by the pollen tube and unites with the genetic information in the ovule

Humans, bees, and hummingbirds ALL see color (wavelengths) the same way

false

Which of the following plants did we discuss in class is NOT self-incompatible

tomato

Conifer with the largest (by volume/weight) cones in the world

Sequoiadendron giganteum

Bulbs have which type of specialized roots used to keep them "pulled" in the ground?

Contractile

Which specific group of animals have bacteria in their gut (digestive system) that allows them to break down cellulose?

ruminants

The dead, nonfunctioning part of a tree (wood) is the:

heartwood

The plant, which bloomed here at NCSU last fall, was 6' tall, maroon flesh-colored, smelled of rancid/rotten flesh, and generated heat... all as means of attracting pollinators:

Amorphophallus titanum

What is the state flower of NC?

dogwood

Zones of actively dividing cells responsible for plant growth in length and girth are

meristems

The internal part/structure of leaves that is comprised of loosely packed cells (with lots of air spaces) found on the bottom/underside of the leaf next to the lower epidermal layer:

spongy mesophyll

a fruit is a mature

ovary

A perfect flower has both stamens and pistils. Which of the following imperfect flowers is missing the male parts?

pistillate

The function of cellulose in a plant is to

provide strength and rigidity to plants

The roll of the epidermis in a plant is:

controls water and gas loss from the plant leaves

Modified stems that look like leaves are found on several plants including Christmas cactus and poet's laurel. What are these modified stems called?

Cladophylls

When trying to break seed dormancy (so that you can get seeds to germinate) on seeds that are "double dormant" what do you do first?

scarify

Specialized epidermal cells that open and close the stomata are called

guard cells

When you eat corn on the cob and you get silks stuck in your teeth, what are those silks?

pistils

Plants with a fibrous root system have/do all the following except

have multiple tap roots

Plants with whorled leaf arrangement that is deadly! Caution if you build a fire on the sand dunes!

Nerium oleander

Seed dormancy is

when the seed does not germinate even when environmental conditions are favorable for germination because of a physical or physiological condition in the seed

Irish potatoes are 1) botanically classified as what? 2) They are this because they have what part?

modified stems; nodes

To determine whether a plant has simple or compound leaves, you must first find

the bud

When you are eating a seed, you are eating a ripened

ovule

Stems have many functions, as we discussed in class. Which of the following is not one we discussed:

absorption of water vapor from the air and all the carbon dioxide needed by the plant

Which of the following is not a type of root?

stolon

An example of a rhizomatous plant (one that produces rhizomes) that we discussed is:

bamboo

Which specialized stem is found growing horizontal to the ground and below the soil?

rhizome

root hairs serve what major purpose?

increase the absorption of water and nutrients

the plant form (usage/technique/application) that involved the training/pruning of a plant along a wall or vertical/flatted surface

espalier

Blueberries, grapes, and tomatoes are all what type of fruit?

berries

all of the following terms are associated with fleshy fruit types except

dehiscent/indehiscent

fruit formed by several flowers that fuse during ripening

multiple fruit

orange, limes, and grapefruits would be which kind of fruit?

hesperidium

the coconut brought into class (sounds like a helicopter when you shake it) and shown/passed around as an illustration of a

drupe

dendrochronology is a procedure/method that determines

age of a tree

which of the following plant structures is a single celled structure that is visible with the naked eye?

root hair

the lateral meristem responsible for secondary plant growth is the vascular cambium

true

the broad expanded part of a lead is called the

blade

which of the following is not one of the four classic flower parts

bracts

the vascular cambium separates the

phloem from the xylem

plants selected for use as a "barrier" plant or planting must have what unique feature?

sharp/defensive structures

which of the following are not parts of a fruit?

cambium

What was the title of the Cat in the Hat book read in class?

Oh Say Can You Seed?