Exam Questions #201-250 Flashcards by Ashlynn Schuett

What percentage of flowering plants on Earth require insect pollination?
A 50%
B 30%
C 95%
D 75%

D 75%

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What are the larva of mosquitoes commonly referred to as?
A dancers
B wigglers
C tumblers
D crawlers

B wigglers

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The snakeflies belong to the order ________________________.
A Neuroptera
B Odonata
C Raphidioptera
D Coleoptera
E Megaloptera

C Raphidioptera

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The insect cuticle is between _____ and ______ microns thick.
A 100, 300
B 120, 1000
C 300, 400
D 50, 75

A 100, 300

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Very few insects are found in this habitat.
A ocean
B trees
C soil
D lakes

A ocean

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What are some characteristics of social insects?
A cooperative care of the young
B usually associated with a confined space like a nest
C reproductive division of labor
D All of these are characteristics of social insects

D All of these are characteristics of social insects

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Which of these is not a longitudinal wing vein?
A radius
B cubitus
C furca
D costa

C furca

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About ____ percent of people that get stung by stinging insects suffer serious reactions.
A 4%
B 3%
C 1%
D 10%

B 3%

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The blood of insects is called _______________.
A sebum
B hemoglobin
C hemocyanin
D hemolymph

D hemolymph

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Rachel Carson published a book titled _______________ that highlighted pesticide issues and
environmental contamination as a result of the overuse of DDT in the mid 20th century.
A The Hungry Caterpillar
B Silent Spring
C A Bug’s Life
D Sand County Almanac

B Silent Spring

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Insects use their olfactory system for ______________.
A seeing
B smelling
C sucking
D hearing

B smelling

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The Hymenoptera from the list below that are not social are____________
A sweat bees
B hornets
C honey bees
D leafcutter bees

D leafcutter bees

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A ____________ is the stage of development of an insect between the immature form and the adult in holometabolous insects (those insects that go through complete metamorphosis).
A imago
B larva
C third instar
D pupa
E subimago

D pupa

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Water boatmen have ______________ legs used for swimming.
A Natatorial
B Cursorial
C Fossorial
D Raptorial

A Natatorial

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The aquatic insect order whose immature stages sometimes create rock cases is ____.
A Odonata
B Ephemeroptera
C Trichoptera
D Diptera

C Trichoptera

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What is the causal agent of pink eye in cattle that can be vectored by flies?
A Moraxella bovis
B Sarcoptes scabiei
C Trypanosoma evansi
D Corethrella bovis

A Moraxella bovis

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The insect with one of the longest known migrations and that was petitioned in 2016 to be listed for threatened or endangered status per the U.S. Endangered Species Act is the ________________.
A monarch butterfly
B flame skimmer
C green darner
D western tarnished plant bug

A monarch butterfly

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An insect’s head is specialized for _____________________.
A ingestion and perception
B reproduction and digestion
C adaptation and respiration
D orientation and locomotion

A ingestion and perception

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Caddisflies belong to the order ____________________.
A Trichoptera
B Lepidoptera
C Isoptera
D Neuroptera

A Trichoptera

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What function do protein cross-linkages have in the insect exoskeleton?
A They make membranes more flexible.
B They make sclerites more rigid.
C They lighten the color of the exoskeleton.
D They make it impermeable to water

B They make sclerites more rigid.

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Insects that pass through the egg, larva, pupa, and adult stages in their life cycle have
_________________.
A no metamorphosis
B gradual metamorphosis
C complete metamorphosis
D incomplete metamorphosis

C complete metamorphosis

The discoverer of mosquito transmission of malaria was ___________.
A Carl Linnaeus
B Carlos Finlay
C E.O. Wilson
D Sir Ronald Ross

D Sir Ronald Ross

The fireflies belong to which insect order?
A Diptera
B Megaloptera
C Coleoptera
D Neuroptera

C Coleoptera

The frons and the clypeus, located on the head, are separated by the _______________.
A subgenal suture
B labrum
C epistomal suture
D gena

C epistomal suture

Widely used pesticides that have been in the spotlight recently for being toxic to honey bees include _____________________. A spinosyns B neem oil C neonicotinoids D diamides

C neonicotinoids

_______ is a primary characteristic of the order Orthoptera and is the type of forewing of this group. A tegmina B elytra C hamuli D hemelytra

A tegmina

What insects are included in the order Pthiraptera? A flies B cockroaches C lice D bed bugs

C lice

Which structures are not a component of the endocrine system in insects? A ventral ganglia B corpora cardiac C salivary glands D prothoracic glands

C salivary glands

Honeybees use the _______________ dance to communicate the location of food sources from hive. A round B square C waggle D figure eight

C waggle

If you wanted to study entomology in college, what types of courses might you take at a university offering an undergraduate or graduate degree in entomology? A Urban Entomology B All of the above C Insect Ecology D Aquatic Entomology

B All of the above

______ determines whether bee larvae become a queen or worker. A food B morphology C type of wings D gender

A food

The feces of triatomid bugs harbor the causative agent for what disease in humans? A Chagas disease B Pierce's disease C Malaria D Dengue

A Chagas disease

What are two distinguishing features of the subphylum Hexapoda that separates them from other classes of arthropods? A Having three pairs of legs and an exoskeleton B A three-segmented body and the ability to molt C The ability to undergo metamorphosis and having a three-part body D Having a three-part body and six legs

D Having a three-part body and six legs

What is the name for the "shell" of an insect egg? A blastula B chorion C serosa D morula

B chorion

Which part of the exoskeleton is formed by a single layer of epithelial cells? A procuticle B basement membrane C epidermis D cuticulin layer

C epidermis

An apodeme could NOT be described as ______________. A a flexible joint in the exoskeleton. B a point of attachment for muscles. C an internal ridge of the exoskeleton. D a brace to strengthen the exoskeleton.

A a flexible joint in the exoskeleton.

The word ³coleoptera´is derived from two Greek words, coleo coming from the word koleos, meaning ____, and ptera coming from the word pteron, meaning ____. A shell; appendage B hard; wing C shield; appendage D sheath; wing

D sheath; wing

A mass of neural tissue that contains mostly nerve cell bodies and interneurons in an insect is called a _________________. A synapse B ganglion C motor neuron D nerve

B ganglion

The following are natural products derived from insects: A Silk, natural red 4, royal jelly and honey B Silk, carmine and polysaccharides C Carmine, silk, honey and blue dyes D Natural green 6 and honey

A Silk, natural red 4, royal jelly and honey

A tool that allows one to adjust the height and position of a pinned specimen and accompanying label is a ___________. A pinning block B spreading board C forceps D point

A pinning block

What is the mouthpart called for feeding within the Lepidoptera? A proboscis B pronotum C paranota D pylorus

A proboscis

You are hired as an extension entomologist for the state of Texas. Your first task in this job is to identify a pest in cotton. You go out to the cotton fields to collect specimens and find that this new pest is tiny (less than 1 mm long), has rasping-sucking mouthparts, and fringed wings. Based on this information this cotton pest is likely a: A whitefly B pirate bug C scale D thrips

D thrips

What was a major cotton pest that was successfully eradicated in the U.S.? A sunflower head moth B lygus bug C boll weevil D stink bug

C boll weevil

What is the reservoir of louse-born typhus? A cats B humans C horses D dogs

B humans

Which structure never occurs on an abdominal segment? A spine B pleural suture C apodeme D spiracle

B pleural suture

The majority of native bees nest in what type of habitat? A bamboo stems B trees C soil D flowering plants

C soil

Which abdominal structures of insects are primarily sensory in function? A sternites B paraprocts C cerci D valvulae

C cerci

What structure is found in Diptera, but NOT in Hymenoptera? A cerci B stigma C stinger D haltere

D haltere

The Latin word ³Insectum´means: A cut into pieces B segments C insect D small pieces

A cut into pieces

Which structure is not part of an insect's tracheal system? A spiracle B tracheole C sinus D taenidia

C sinus