NCSU HS 201 Final Exam Review

What color are the true flowers of poinsettias

Yellow

Viticulture is:

The growth and study of grapes

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

Andropogon virginicus has many common names. Which common name did we discuss in detail when Brian showed an example of something his grandma made for him?

Broom Straw

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

YES

Estimated number of discovered/identified gymnosperm plants on earth:

1,000

Plants that are selected for use as a SCREEN should have/do all of the following features, EXCEPT:

Defensive foliage/stems (thorns or spiny) to keep things in or out of an area

Dicots are:

a sub-classification within the class angiosperms

Swedish Botanist who created the current system of plant nomenclature:

Carl Linnaeus

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

Angiospermae

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

Amelia x grandiflora

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

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

Hampton Court

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

Flower/Reproductive 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 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 13 different areas in North America where plants can grow. What data was 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?

On a brick patio facing south that is protected from the wind

The landscape architect of the Baltimore Estate in Asheville, NC, was:

Fredrick Law Olmstead

Horticulture is derived from which two Latin words:

Horus 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?

Lagerstromia indica (italics) 'Victor Red'

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

California

We discussed several plants in the rose family (Rosaceae). Which plant is NOT in the Rosaceae?

Potato

when discussing post-harvest physiology, we discussed many examples. Which of the following examples did we specifically discuss?

Christmas tree in your home

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

Has naturally occurring mutation that can be passed on to the offspring through the seed without any help from humans

At the beginning of the plant nomenclature lecture we talked about common names and Brain gave several examples of some plants that have interesting common names. One of the plants we discussed was brought in the classroom to see. Ouch! Which plant was it?

"Devils walking stick"

During our discussion on deciduous/evergreen plants we talk 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 regards to pine straw that's placed next to buildings (against the building itself)?

Fire hazard (pine straw is very flammable)

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 (Osage orange)

Which of the following plants is NOT suggest (one that we discussed) for making Topiaries?

Juniperus (Juniper)

Which of the following plant uses/functions involves specialized pruning techniques/practices

Espalier

Selecting plants for use/aesthetics in the landscape is based on their physical features. We listed five physical features that plants have. Any one, more of the five features may warrant the selection and use of that plant, especially for aesthetic purposes. Which of the following is NOT one of the five features?

Buds

Of the many plant "uses and function" that we discussed, some are "newer" to us in the U.S. and are more focused, pertinent, and beneficial in urban environments. Which of the following is not one discussed?

Allee

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

Pine cones from California (longest cone of any conifer in the world)

A complete specie is name of a plant must contain?

The genus +the specific epithet

The binomial classification of plants:

Group plants, based on their flower structure, is a two name system of their identifying plants, is derived from Latin, is recognized internationally (all of the above)

All gymnosperms are conifers

False

Plants selected for use as a "barrier" plant or planting MUST have unique feature:

Sharp/defensive structures

Fagus os the genus for oaks

False

The study of the cultivation of fruits

Pomology

Which of the following is an invasive plant that we discussed?

Kudzu

All non-native plants (from other regions or countries) introduced into the landscape have a higher probability of being invasive (disruptive to the natural ecosystem) and therefore likely should never be used/planted

True/False

Volunteer plants are actually annuals

True

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

When selecting plants for landscape, the maintenance of that/those plants is important consideration. Which of the following is NOT one of those maintenance tasks/needs we discussed:

Dusting the foliage to remove dirt/dust so the plant can photosynthesize more efficiently

Which of the following is a plant family?

Angiospermae

Pollination is:

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

Emasculation is the removal of which plant part:

anthers

Plants that will accept their own pollen part:

Self-compatible

Irish potato's are 1) botanically classified as what? 2) they are this because they have what part(s)?:

Modified stems; nodes

Trichomes are what:

Hairs (or hair-like structures)

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

Plants grow in length the SAME way the hair on your head does.

False

The tallest tree in the world is how tall:

375-400'

Conifer with the largest (by volume/weight) cones in the world. The "widow maker"!

Pinus Coulteri

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

False

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

Ruminants

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

heartwood

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

Amorphophallus titanum

Root hairs serve what major purpose?

increase the absorption of water and nutrients

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

Meristems

The internal parts/structure of leaves that is comprised of loosely packed cells (with lost of air spaces) found on the bottom/underside of the leaf 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 flower 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. 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 (which process) 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 in your teeth, what are those silks?

Pistils

Xylem transports

water and nutrients up the plant

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

Medium 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

Which of the following plants have stolons?

Spider Plant

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

The bud

When you are creating 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

The oldest tree(s) in the world (5,000+ years) are:

Bristlecone pines

Stipples on plants are associated with which plant part:

Leaf

Flowers can offer all of the following "rewards" to attract pollinators, except:

Security

An incomplete flower can be perfect

True

Primary (apical) meristems are found in BOTH shoot and root tips

Trie

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

Have multiple tap roots

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

The "natural grafting" that occurs over time on plants that grow/rub close together is called:

Inoculation

The coconut shown in class (sounds like a helicopter when you shake it) is an example of a:

Drupe

Dendrochronology is a procedure/method that determines:

Age of a tree

Oranges, limes, and grapefruits would be which kind of fruit:

Hesperidium

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

True

The broad expanded part of a leaf is called the:

blade

Which of the following is NOT one of the four classic flower parts:

Bracts

The vascular cambium spreaders the:

Heartwood from the sapwood

which of the following are NOT parts/terms of a fruit

Cambium

Phloem transports

Sugars from the leaves down to the stems, roots and to the fruits

what was the title of "the cat in the hat" book read in class?

"Flowers and Fruit, Oh my!"