101-150

Question 1

Most woody plants are propagated by ______.

Answer 1

Cuttings

Question 2

When studying insects that affect our gardens, crops, and goods, agriculture we must first learn..

Answer 2

how to identify the insects

Question 3

Biological and chemical controls of harmful insects are closely tied to…

Answer 3

where, when, and how insects develop

Question 4

Many chemical insecticides were developed after…

Answer 4

World war one

Question 5

Many beneficial insects need to be _____ when it is economically feasible.

Answer 5

protected and promoted

Question 6

Insects, like all other plants and animals, are classified by…

Answer 6

binomial nomenclature

Question 7

Insects are grouped based on similarities and types of development. An example would be…

Answer 7

type of legs, mouthparts, absence or presence of wings

Question 8

Mouthparts, wings and type of metamorphosis are characteristics used to….

Answer 8

Identify an insect

Question 9

Names of insects end with -idae. An example is Aphidae.

Answer 9

Family

Question 10

The names of most insect orders have the ending -petra, which means…

Answer 10

The insect possess wings in the adult stage

Question 11

_______ names refer to large groups rather than individual species.

Answer 11

Common

Question 12

Insects are in the class insecta becasue they possess the following characteristics…

Answer 12

three body regions, three pairs of jointed legs, one pair of antennae and one or two pairs of wings

Question 13

There are three regions of an insects body, which of the following is NOT correct?

Answer 13

Wings

Question 14

Piecing-sucking, lapping, and sponging are all examples of…

Answer 14

Mouthparts

Question 15

This part of an insects body is mostly membranous and has a frame work of veins.

Answer 15

Antennae

Question 16

The most important characteristic for the insects is the presence of three…

Answer 16

Pairs of jointed legs

Question 17

Insects use this to feel their way, detect danger, locate their food find their mates and in some cases to communicate.

Answer 17

Antennae

Question 18

The term “metamorphosis” literally means a change in ______.

Answer 18

form

Question 19

This part of an insect has a great deal of variation and can be used fro identification.

Answer 19

Wings

Question 20

A newly emerged insect feeds ravenously, but the extent of its growth is restricted by ___.

Answer 20

Rigid exoskeleton

Question 21

The process of an insect shedding its outer skin is called ________.

Answer 21

Molting

Question 22

Gradual metamorphosis includes which of the following stages of development?

Answer 22

Egg, nymph, adult

Question 23

Complete metamorphosis includes which of the following stages of development?

Answer 23

Egg, larvae,pupa, adult

Question 24

During simple metamorphosis each development stage is called ____.

Answer 24

instar

Question 25

Of the 80,000+ diseases that attack plants in the U.S., over 30,000 attack crops that are ____.

Answer 25

Economic importance

Question 26

The vegetative structure of a fungus is made of thread-like material known as

Answer 26

mycelium

Question 27

Fungi, bacteria, viruses, and nematodes are 4 major groups of plant parasitic organisms which cause

Answer 27

plant disease

Question 28

There are ____ types of plant diseases.

Answer 28

two

Question 29

Nematodes that insert a spear-like mouth part into the root tissue, inject a chemical substance then withdraw plant material as it feeds to belong to a group called ____.

Answer 29

Nematodes

Question 30

Bread mold is a ____ which produces a thread-like vegetative structures.

Answer 30

Fungus

Question 31

Nematodes that feed by completely entering the plant root are called ____.

Answer 31

Endoparasites

Question 32

Scorch is a _____.

Answer 32

Burning of leaf margins as a result of infection or unfavorable environmental conditions.

Question 33

Witches broom is a ______.

Answer 33

Broom like growth or massed proliferation caused by the dense clustering of branches in woody plants.

Question 34

Bacteria cells may divide every _____.

Answer 34

20-30 minutes

Question 35

Beneficial fungi are called ____.

Answer 35

Saprophytes

Question 36

Fungi most commonly reproduce ______.

Answer 36

Asexually

Question 37

Nutrient deficiencies, lack of or excess soil moisture, too low or too high temperatures are all examples of ______ plant diseases.

Answer 37

Non-pathogenic

Question 38

A parasite or an organism that attacks a plant can be referred to as a _____.

Answer 38

Pathogenic

Question 39

A susceptible host, a parasitic organism, environmental conditions are three factors always present for a _______ disease.

Answer 39

Pathogenic

Question 40

A fungus is a multi-cellular organism which has NO roots, stems, or leaves and ______.

Answer 40

Cannot make its own food

Question 41

The formation of spores, sclerotia, and mycelia fragments refer to the process of

Answer 41

fungi reproduction

Question 42

______, a common disease in ornamental plants which causes the damping off of young vegetable plants is spread by mycelia fragments.

Answer 42

Rhizoctania

Question 43

These structures can remain viable in the soil for several years until a susceptible crop is planted. They form when the mycelium of some fungi become hard.

Answer 43

Sclerotia

Question 44

Fungi that form in swimming spores thrive in low, wet areas and cause diseases such as root rot. These types of fungi are known as _____.

Answer 44

Phycomycetes

Question 45

This is an advanced group of fungi. They produce spores on special structures inside plant tissue.

Answer 45

Ascomycetes

Question 46

Practically all types of fungi produce their asexual spore on exposed stalks called and resemble a small plant with fruit hanging on it.

Answer 46

Conidiophores

Question 47

Inoculation, penetration, infection, incubation, invasion, reproduction, over wintering are stages in the life cycle of a ______.

Answer 47

Fungus

Question 48

Direct penetration, penetration through stomates or through wounds is necessary in order for ____ to occur.

Answer 48

Infection

Question 49

______ are spread by blowing rain, insects, humans and inside seeds.

Answer 49

Bacteria

Question 50

Symptoms of this include mottled or puckered leaves streaks on leaves and at times distorted fruit.

Answer 50

Virus