How do insect growth growth regulators (IGRs) work?

They disrupt the synthesis of function of insect hormones

A form of plant resistance to herbivores

Hormoligosis can be induced by:

Exposure of insect pest to sub-lethal doses of insecticides

Which of the following is a potential drawback of using the sterile insect technique in pest management?

It can be expensive and time-consuming to implement

Insect pest resurgence is:

A sudden increase in the number of pests after a period of low infestation

Which of the following is an example of natural plant resistance to pest?

Production of toxic secondary metabolites

What is the primary advantage of using insect development and behavior modification as a pest management strategy?

it does not harm non-target organisms or the environment

Why is IPM considered a more environmentally-friendly approach to pest control?

It reduces the amount of chemical pesticides used

Which of the following best describes plant also ones in relation to insect repellents?

Natural compounds produced by plants to repel insects

What is parthenogenesis in insects?

Reproduction without fertilization

What are semiochemicals?

chemicals used by insects to communicate with each other

What is the process for creating sterile insects to be used in the sterile insect technique?

Exposing bugs to low levels of radiation or chemical sterilants

Which of the following is an example of cultural control in IPM?

Changing planting dates to avoid pest outbreaks

Which of the following is an example of biological control in insect pest management

Introducing predators or parasites of the pest

Which of the following is a potential drawback of crop adaptation for insect pests to avoid resistance?

increased risk of pest outbreaks

Which of the following is an example of biological control method in preventive pest management?

Introduction of natural predators of pest

Which of the following best describes spider mites in agriculture?

Insect pest that feed on crop foliage

What led to the ban of DDT in many countries?

It’s harmful effects on the environment and human health

Why is biological control preferred over chemical control in IPM?

Biologicalcontrolhasfewer negative environmentalimpacts thatchemicalcontrol

studbud

General Entomology Review Final

72 termsStudBud Administration1 play

Imported from external platform

Flashcards72 cardsFPractice quizPHost liveL

Questions 72

Answers

1
How do insect growth growth regulators (IGRs) work?
They directly kill insects through contact or ingestion
They repel insects throught their odor or taste
They disrupt the synthesis of function of insect hormones
None of the Above
2
Which of the following is an example of behavior- modifying agent used in pest management?
Organophosphates
Neonicotinoids
Pyrethroids
Pheromones
3
When the pest population is below the economic threshold level:
Control measures should be applied immediately
Controlmeasures should be applied whenpest population reache econ threshold
No control measures are needed
Control measures should given the pest population exceed economic threshold
4
Which of the following is an example of an insects hormone?
All of the above
Juvenile hormone
Estrogen
Insulin
5
What is the function of an insect’s spiracles?
To breathe
To excrete Waste
To sense smell
to see
6
What is Antixenosis?
A type of animal behavior
A form of plant resistance to herbivores
A type of chemical pesticide
A medical condition in humans
7
Which of the following genes in commonly inserted into GM crops to make them resistant to insect pests?
Lepidopteran-specific gene
Glyphosate resistance gene
Bt toxin gene
Roundup resistance gene
8
Hormoligosis can be induced by:
Use of biological control agents
none of the above
Exposure of insect pests to lethal doses of insecticides
Exposure of insect pest to sub-lethal doses of insecticides
9
Which of the following insects has a unique digestive system that allows it to digest
Termites
Flies
Ants
Bess
10
What is the name of the hard plate that covers an insect’s thorax?
Exoskeleton
Cuticle
Chitin
Carapace
11
What is the name for the process by which an insect sheds its exoskeleton and grows a new one?
Metamorphosis
Reproduction
Hibernation
Molting
12
Which of the following is a factor that can affect the intensity of crop-pest interactions?
Sunlight intensity
All of the above
Plant growth stage
Soil fertility
13
Which of the following is a potential drawback of using the sterile insect technique in pest management?
It can harm non0target organisms and the environment
It can lead to the development of resistance in pest populations
It is not effective agaisnt a wide range of pest species
It can be expensive and time-consuming to implement
14
Which of the following is a preventive method for pest management in crops?
Chemical pesticides
Crop rotation
traps
Fumigation
15
Insect pest resurgence is:
The replacement of one pest species by another
A sudden increase in the number of pests after a period of low infestation
The introduction of a new pest species into an ecosystem
A sudden decrease in the number of pests after a period of high infestation
16
Which of the following is a common natural enemy of insect pests?
Predators
All of the above
Parasitoids
Pathogens
17
What is the advantage of sexual reproduction in insects?
Rapid population growth
Greater ability to adapt to changing environments
Better resistance to pesticides
Increased genetic diversity
18
Which of the following is a common mechanism by which plants defend against pest?
Producing toxic compounds that deter feeding
Producing a physical barrier around the plant
All of the above
Releasing volatile compounds to attract predators
19
What is the primary function of ecdysone in insects?
To regulate molting
To regulate feeding behavior
None of the above
To regulate reproduction
20
Which of the following is an example of natural plant resistance to pest?
Production of toxic secondary metabolites
use of chemical pesticides
Mechanical removal of pest
Genetic modification of plants
21
What is the primary advantage of using insect development and behavior modification as a pest management strategy?
it does not harm non-target organisms or the environment
It is highly effective at quickly eliminating pest populations
it is inexpensive and easy to implement
it does not require frequent monitoring or applications
22
Which of the following factors can affect the economic threshold level in crop pest management?
Crop price
All of the above
Crop yield potential
Cost of cotroll measures
23
Why is IPM considered a more environmentally-friendly approach to pest control?
It uses only natural methods of pest control
It does not involve the use of any pesticides
It does not require any monitoring or scouting
It reduces the amount of chemical pesticides used
24
Which of the following best describes plant also ones in relation to insect repellents?
Synthetic compounds produced by insects to attract mates
Natural compounds produced by plants to repel insects
Synthetic chemicals used to repel insects
Natural compounds produced by plants to attract insects
25
What is parthenogenesis in insects?
Reproduction through cross-fertilization
Reproduction without fertilization
Reproduction through self-fertilization
Reproduction through the division of cells
26
Which of the following is an example of abiotic stress in plants?
Pathogen Attack
Extreme temperatures
herbivory
Fungal infection
27
Which of the following insects causes the most damage to stored grain?
Indian meal moths
Grain Mites
Weevils
Flour bettles
28
Which of the following is a type of plant resistance to pest biotic stress?
Tolerance
Escape
Avoidance
All of the above
29
Which of the following is an example of a semiochemical used by insects to repel predators?
Kairomones
Aggregation pheromones
Alarm pheromones
All of the above
30
Which of the following insects is not considered a beneficial insect in agriculture?
Parasitic Wasp
Honey bee
Stink Bug
lacewing
31
Which of the following is a type of chemical pesticide used to control pest biotic stress?
All of the above
Nematicides
Herbicides
Fungicides
32
Which of the following is a characteristic of insect pests to avoid reproduction?
Long gestation period
High reproductive output
Production of a small number of offsprings
Inability to reproduce without a mate
33
What is the function of an insect’s ovipositor?
To lay eggs
To breathe
To smell
To hear
34
What are semiochemicals?
Chemicals used by humans to repel insects
chemicals used by insects to communicate with each other
Chemicals used by insects to protect themselves from predators
Chemicals used by plants to attract pollinators
35
Which of the following is a behavior exhibited by some insect pests to avoid predation
Camouflage
Loud vocalizations
Emmitting bright flashes of light
Charging at predators
36
Which of the following cultural practices involves removing infected plants or plant parts to prevent spread of disease
Mulching
Sanitation
Intercropping
Companion planting
37
What is the process for creating sterile insects to be used in the sterile insect technique?
Collecting wild bugs and breeding them in a sterile lab environment
Genetically modifying insects to be sterile
Exposing bugs to low levels of radiation or chemical sterilants
Using natural predators to remove sterile insects from the population
38
The codling moth is a pest that primarily affects which type of fruit?
Oranges
Peaches
Pears
Apples
39
Which of the following is an example of cultural control in IPM?
Introducing natural enemies of the pest
Planting genetically modified crops
Using a pesticide to kill pests
Changing planting dates to avoid pest outbreaks
40
Which of the following orders of insects includes termites?
Hymenoptera
Lepidoptera
Orthoptera
Isoptera
41
Which of the following is an example of biological control in insect pest management
Using pesticides to kill pests
Introducing predators or parasites of the pest
Cultivating pest-resistant crop varieties
Changing plant dates to avoid pest outbreaks
42
Which of the following insecticides is considered to be less toxic to mammals and birds?
Carbamate
Neonicotinoid
Pyrethroid
Organophosphate
43
Which of the following is a potential drawback of crop adaptation for insect pests to avoid resistance?
Reduced flavor of the crops
Higher cost of production
Decreased crop yields
increased risk of pest outbreaks
44
Which of the following insecticides in considered to be a natural product derived from the seeds of the need tree
Chlorpyrifos
Imidacloprid
Methomyl
Azadirachtin
45
Which of the following is an example of biological control method in preventive pest management?
Use of chemical pesticides
use of traps
Use of genetically modified crops
Introduction of natural predators of pest
46
Which of the following is a waste product that is eliminated from the insect digestive system through the hindgut?
Guanine
Uric Acid
Urea
Ammonia
47
Which of the following best describes spider mites in agriculture?
Soil-Born pest that damage crop roots
Insect pest that feed on crop foliage
Beneficial Insects that aid in crop pollination
Insects that attack crop flowers and fruit
48
How do pest with virulent genes affect crop production?
They improve crop quality
They reduce crop yields
They have no effect on crop production
They increase crop yields
49
What led to the ban of DDT in many countries?
It’s harmful effects on the environment and human health
none of the above
its ineffectiveness against many pest
its high cost compared to other pesticides
50
Which of the following is not a type of sampling used to estimate insect population density?
Random Sampling
Quadrat sampling
Transect sampling
Feeding sampling
51
Why is biological control preferred over chemical control in IPM?
Bilogical control is cheaper than chemical control
Biologicalcontrolhasfewer negative environmentalimpacts thatchemicalcontrol
Biological control is more effectivecontrolling pests than chemical control
Biological controlmore effective at controlling pests than chemical control
52
What is the main of IPM?
To reduce pest population to an acceptable level
To emilmate all pest from an area
To use only chemical pesticides to control pest
To use the most expensive and advance technology to control pest
53
What is the term used describe the # of individuals of a species in a area relative to the amount of habitat available
Abundance
Density
Habitat suitability
Carrying Capacity
54
What is the outermost layer of an insect’s body called?
Epidermis
Cuticle
Exoskeleton
Dermis
55
Which of the following is a common symptom of pest damage in plants?
Necrosis
Chlorosis
All of the Above
Wilting
56
Which of the following is a commonly used genome editing technique for pest control?
CRISPR/Cas9
Site-directed mutagenesis
Gene drive
RNA interference
57
What is the potential consequence of insect pests to resurgence and replacement
All of the above
Increased damage to crops and other vegetation
Reduced biodiversity in ecosystems
Increased use of insecticides
58
Which of the following is an example of crop adaptation for insect pests to avoid resistance?
Introducing predator insects
Using pesticides
Developing crop varieties that are genetically resistant to pest
Removing weeds from fields
59
Which of the following is not a type of insect mouthpart?
Labrum
Mandibles
Maxillae
Femur
60
Which of the following is an insect growth regulator (IGR)?
Imidaclopid
Methomyl
Methoprene
Spinosad
61
Which of the following structures in the insect digestive system is responsible for the absorption of nutrient?
Hindgut
Foregut
Midgut
Malpighian tubules
62
What are virulent genes in pests?
Genes that allow pest to overcome plant defenses
Genes that are only present in beneficial insects
Genes that allow pest to develop resistance to pesticides
Genes that make pests less harmful to crops
63
What are the three main parts of an insect’s thorax?
Mandibles, maxillae, and labium
Head, thorax, and abdomen
Prothorax, mesothorax, and metathorax
Antennae, legs, and wings
64
Which of the following is not a fundamental strategy in insect pest management?
Social Control
Biological Control
Chemical Control
Cultural Control
65
Which of the following is example of biotic stress in plants?
High Salinity
Insect infestation
Soil erosion
Drought
66
Which of the following is mechanism of host evasion used by pest that has led to development of insecticide resistance
Increased predation pressure
None of the above
Rapid reproduction
Production of detoxifying enzymes
67
What is the consequences of resistance to insecticides and pest?
No effect on the effectiveness of the insecticide
Reduced toxicity of the insecticide to non-target orgsnisms
increased effectiveness of the insecticide
Reduced effectiveness of the insecticide
68
Which of the following is NOT a way that crops can adapt to resist insect pest?
Creating plants with natural insect repellents
Modifying the plants’ physical structures make them harder for pest to eat
Developing plants with toxins that repel pests
Increasing the amount of water used to irrigate the crops
69
What is the primary purpose of crop rotation?
To improve water retention in the soil
To improve soil structure
To provide nutrients to the soil
To control pest and dieases
70
What can be done to prevent or manage resistance to insecticides in pest?
Rotating the use of different classes of insecticides
Monitoring pest populations for signs of resistance
Using insecticides with different modes of action
All of the above
71
What is the scientific term for an insect’s head?
Abdomen
Cranium
Cephalothorax
Thorax
72
How does Wolbachia bacteria work to control pests than populations
By introducing bacteria that kill pest on contact
By releasing large # of sterile bugs compete with wild insects for resource
By using natural predators to selectively remove pest insects from the area
By manipulation the reproductive biology ofpests to reduce their population

General Entomology Review Final Flashcards | StudBud