Entomology 105                                                                       Name__________________

April 3, 2003

 

1. In which of the following orders is carnivory ALWAYS present?

a. Hemiptera

b. Coleoptera

c. Odonata

d. Hymenoptera

 

2. What is the proper common name of the carnivorous insects in the order Dictyoptera?

a. praying mantis

b. preying mantis

c. aphidlion

 

3. Which of the following families contain primarily species that attack sedentary prey?

a. Syrphidae

b. Chrysopidae

c. Coccinellidae

d. All of the above

 

4. In which of the following orders are parasitoids frequently found?

a. Hemiptera

b. Odonata

c. Hymenoptera

d. Plecoptera

 

5. What is the historical significance of the vedalia beetle, Rodolia cardinalis?

a. it caused massive devastation to French vineyards in the 19th century

b. it was used in the first successful biological control program in the United States

c. its predaceous habits inspired a style of Kung Fu martial art

d. it was an important source of dye for the Aztecs in pre-Columbian Mexico.

 

6. In what order is polyembryony commonly found?

a. Hemiptera

b. Odonata

c. Hymenoptera

d. Plecoptera

 

7.In addition to venoms, parasitoid wasps often inject what into their hosts to arrest development?

a. anticoagulant

b. anesthetics

c. antibiotics

d. viruses

 

 

8. All classes of vertebrates include some insectivorous species.

a. True

b. False

 

9.  Entomophagy means

a. belonging to the Class Insecta

b. the study of insects

c. eating insects

d. being infested with insects

 

10. Australopithecus robustus used bone toools to dig into termite mounds

a. 500,000 years ago

b. 1 million years ago

c. 5 million years ago

d. 50 million years ago

 

11.  Which of the following statements is false?

a. insects are a good source of dietary protein

b. insects are rich in minerals

c.  insects are low in cholesterol

d. insects are high in vitamins

 

12. Who sets food action defect levels that determine the number of permissible insect parts in food?

a. USDA

b. FDA

c. FTC

d. NIH

 

13.What enzymes allow some primates to digest insect exoskeletons?

a. chitinase

b. keratinase

c. cellulase

d. coenzyme Q10

 

14. Insects form a significant part of the human diet only in places where large game or domestic animals are rare.

a. True

b. False

 

15. Where are witchety grubs eaten?

a. Mexico

b. Australia

c. South Africa

d. Japan

 

16. What is the insect found floating in a bottle of mescal?

a. mopane worm

b. tsukudani

c. gusano de maguey

d. mang da

 

17. Which of the following can be classified as a secondary defense?

a. homotypism

b. crypsis

c. aposematism

d. stinging

 

18. Which of the following is an example of homotypism?

a. crab spiders that change color to match their background

b. bright orange-and-black monarch butterfly

c. a caterpillar that resembles a bird dropping

d. peppered moth

 

19. Which of the following insects is capable of reflex bleeding?

a. ladybugs

b. oil beetles

c. both a and b

d. none of the above

 

20. Which of the following is NOT considered aposematic?

a. orange

b. brown

c. yellow

d. red

 

21. In what kind of mimicry system is the model a toxic species and the mimic a palatable species?
a. Beltian

b. Batesian

c. Muellerian

d. Browerian

 

22. What are the active components of a bombardier beetle’s reactor gland?

a. isobutyric acid

b. aristolochic acid

c. quinones

d. cardiac glycosides

 

23. True or false: Cardiac glycosides in milkweed bugs are sequestered from the hostplant.

a. True

b. False

 

24. What is the technical term for “playing possum”?

a. thanatosis

b. thanatophobia

c. thanatology

d. thanatopsis

 

25. If you believed in the doctrine of signatures, which beetke might you prescribe for measles?

a. green tiger beetle

b. 7-spotted lady beetle

c. elephant dung beetle

d. bombardier beetle

 

26. To what order does the Spanishfly Lytta vesicatoria belong?

a. Diptera

b. Hymenoptera

c. Lepidoptera

d. Coleoptera

 

27. What is Cordyceps?

a. a medicinal beetle

b. a fly used in maggot therapy

c. a medicinal fungus

d. a bee used in apitherapy

 

28. Malariotherapy was used in the early 20th century for the treatment of

a. malaria

b. yellow fever

c. syphilis

d. arthritis

 

29. Bee venom is widely used in the treatment of

a. arthritis

b. diabetes

c. memory loss

d. heart disease

 

30. Allantoin is produced by maggots and acts as a(n)

a. vesicant

b. rubifacient

c. neurotoxin

d. antibiotic

 

 

 

31. If you were interested in finding an insect sourcce for sodium salts to use as a diuretic, which would you choose based on what you know about the electrolytes in hemolymph?

a. an orthopteran
b. a caterpillar

 

32. The active component of extracts of Spanishfly is a chemical called

a. luciferin

b. cantharidin

c. diamphidiatoxin

d. skatole

 

33. What is the “central dogma” of biology?

a. RNA to DNA to protein

b. protein to RNA to DNA

c. DNA to RNA to protein

d. protein to DNA to RNA

 

34. What is NOT a principal reason why Drosophila melanogaster is such an important organism for use in genetic studies?

a. it has a rapid life cycle

b. it feeds on relatively inexpensive food

c. it is of great economic importance to agriculture

d. it displays a great degree of phenotypic variability

 

35. Who is the individual most closely associated with the theory of uniformitarianism?

a. Charles Lyell

b. Charles Darwin

c. Charles Addams

d. Charles Brown

 

36. The process by which individuals with heritable traits conferring survival produce more offspring than do individuals lacking such traits is called

a. speciation

b. the law of independent assortment

c. natural selection

d. law of filial regression

 

37.  One entomological phenomenon that Darwin had difficulty explaining in his book “Origin of Species” was

a. crypsis

b. mimicry

c. winglessness on islands

d. firefly lanterns

 

 

 

38. When was the Drosophila melanogaster genome sequenced?

a. 1999

b. 2000

c. 2001

d. 2002

 

39. What was the name of the geneticist who discovered that the white-eye mutation in fruit flies is a sex-linked trait?

a. Francis Galton

b. Thomas Malthus

c. Thomas Hunt Morgan

d. Thomas Huxley

 

40. What does the polymerase chain reaction do?

a. amplifies DNA

b. sequences DNA

c. digests DNA

d. translates DNA into protein

 

41. What other insect aside from fruit flies can be genetically transformed?

a. imported red fire ant

b. yellow fever mosquito

c. honey bee

d. Japanese silkworm

 

42. What is a mutation?

a. group of coiled DNA strands containing genes

b. segment of DNA on a chromosome encoding a protein or RNA

c. location of a gene on a chromosome

d. change in a gene, either in DNA sequence or location

 

43. What does the rat-tailed maggot use for obtaining oxygen?

a. physical gill

b. tracheal gill

c. siphon

d. diffusion

 

44. Which of the following orders do not have any aquatic representatives?

a. Lepidoptera

b. Diptera

c. Coleoptera

d. None of the above

 

45. True or false: The gas present in greatest concentration in a physical gill is oxygen.

a. True

b. False

 

45. In which of the following orders are all immature stages aquatic?

a. Ephemeroptera

b. Plecoptera

c. Odonata

d. All of the above

 

46. Why are bloodworms called bloodworms?

a. Because they are parasites of fish that live in the bloodstream

b. Because they contain hemoglobin, as does human blood

c. Because they are capable of reflex bleeding when disturbed

 

47. What aquatic insect relies upon diffusion for its oxygen supply?

a. diving beetle

b. glassworm

c. immature stonefly

d. immature mayfly

 

48. True or false: All aquatic insects are descended from terrestrial forms

a. True

b. False

 

49. What is unusual about the eyes of whirligig beetles?

a. They don’t have any—they rely on their sense of touch for orienting

b. They have a double set—one for looking into the air and a second for looking into the water

c. They contain blue pigment, which allows them to see well in water

 

50. True or false: Aquatic insect pheromones are highly volatile

a. True

b. False

 

51. What is the title of the classic flyfishing treatise written by Izaak Walton in 1653?

a. A Treatyse of Fysshing with an Angle

b. The Compleat Angler

c. Flyfisher’s Entomology

d. A River Runs Thruogh It

 

52 Which of the following orders isn’t likely to be popular with flytying fishermen?

a. Ephemeroptera

b. Phthiraptera

c. Plecoptera

d. Trichoptera

 

53. Beetles aren’t popular with flytying fishermen.

a. True

b. False

 

54. What is a humpback?

a. a mayfly adult

b. a mayfly subimago

c. a mayfly nymph

d. a mayfly egg

 

55. A salmonfly is a species in the order

a. Plecoptera

b. Diptera

c. Lepidoptera

d. Coleoptera

 

56. Which of the following does NOT refer to a type of trout?

a. cutthroat

b. steelhead

c. drumhead

d. rainbow

 

57. What is meant by a “gentlemen’s hatch”?

a. an emergence of adults that takes place in a quiet stream

b. an emergence of adults that takes place between 10 am and 4 pm

c. an emergence of nymphs from eggs in late May

d. an emergence of nymphs from eggs in late September

 

58. What important contribution did Dame Juliana Berners make to flyfishing ?

a. she invented the “royal coachman”

b. she wrote “A Treatyse of Fysshing with an Angle”

c. she invented the fly rod

d. she pioneered the concept of “catch and release”

 

59. An example of an insect involved in canthariasis is

a. human bot fly

b. dung beetle

c. urticating caterpillar

d. face fly

 

60. Like predators, parasites tend to infest a broad range of host species.

a. True

b. False

 

61. An example of an order consisting entirely of species that are ectoparasitic as immatures and adults includes

a. Siphonaptera

b. Phthiraptera

c. Hemiptera

 

62. Which of the following is a protelean parasite?

a.  horse fly

b. cat flea

c. body louse

d. cattle grub

 

63. Which body fluids serve as food for vertebrate parasites?

a. blood

b. tears

c. mucus

d. all of the above

 

64. Mycetomes are most often found in species that are parasitic in all life stages.

a. True

b. False

 

65. Which of the following is NOT  characteristic of ectoparasitic insects?

a. thick cuticle

b. flattening of body

c. reduced sensory appendages

d. aposematic coloration

 

66. Where would you expect to find the human parasite Dermatobia hominis?

a. in the follices of facial hair

b. in the intestinal tract

c. under the skin

d. in the nasal passages

 

67. To what family do mosquitoes belong?

a. Ceratopogonidae

b. Chironomidae

c. Muscidae

d. Culicidae

 

68. Which mosquito life stages feed on blood?

a. female adults

b. male adults

c. larvae

d. all of the above

 

69. What is the principal vector for yellow fever?

a. Anopheles mosquitoes

b. Aedes  mosquitoes

c. Culex mosquitoes

d. Toxorhynchites mosquitoes

 

70. How many mouthparts make up a mosquito proboscis?

a. 4

b. 6

c. 8

d. 12

 

71. What chemical cues do mosquitoes use to find their hosts?

a. lactic acid in sweat

b. carbon dioxide in exhaled breath

c. both a and b

d. nobody knows how mosquitoes find their hosts

 

72. Once you get yellow fever, you can never catch it again.

a. True

b. False

 

73. The man who headed the US Army Medical team that investigated the causes of yellow fever transmission was

a. Benjamin Rush

b. Carlos Finlay

c. Max Theiler

d. Walter Reed

 

74. Yellow fever is caused by a

a. virus

b. rickettsia

c. bacterium

d. nematode

 

75. The man responsible for developing the first effective yellow fever vaccine was

a. Benjamin Rush

b. Carlos Finlay

c. Max Theiler

d. Walter Reed

 

76. West Nile virus is typically transmitted between mosqutioes and

a. humans

b. birds

c. rodents

d. reptiles

 

 

 

 

 

77.  The principal symptom to which yellow fever owes its name is

a. dizziness

b. vomiting black material

c. jaundice

d. mental disturbance that leads to phobic behavior

 

78. You see a mosquito land on your arm.  It has very long legs and spots on its wings and it feeds with its abdomen elevated above its head.  Most likely, to what genus does this mosquito belong?

a. Anopheles mosquitoes

b. Aedes  mosquitoes

c. Culex mosquitoes

d. Toxorhynchites mosquitoes

 

79. Malaria is a disease restricted to the tropical regions of the world.

a. True

b. False

 

80.  All species of Anopheles are vectors of malaria

a. True

b. False.

 

81. Plasmodium is a

a. virus

b. bacterium

c. protozoan

d. nematode

 

82. The ookinete stage of Plasmodium is found

a. only in the mosquito

b. only in the human

c. in both mosquito and human

 

83. The person credited with discovering mosquito transmission of malaria was

a. Ronald Ross

b. Charles Alphonse Laveran

c. Patrick Manson

d. Florence Nightingale

 

84. Where does quinine come from?

a. the bark of a South American tree

b. the soil of South American rainforests

c. it’s chemically synthesized in the laboratory

d. it’s manufactured by an insect

 

 

85. What is the principal reason for the resurgence of malaria worldwide?

a. increase in the number of mosquito species that serve as vectors

b. increase in the number of mosquitoes resistant to insecticides

c. increase in the number of peple getting preventative malaria vaccinations

d. decrease in the world supply of quinine

 

86. Approximately how many cases of malaria are reported every year worldwide?

a. 200,000

b. 2,000,000

c. 20,000,000

d. 200,000,000

 

87.  An alternative control measure for malaria is Bti; this is

a. a powerful drug that kills the pathogen

b. a powerful insecticide that is neurotoxic to adult mosquitoes

c. a microbial insecticide that kills larval mosquitoes

d. a vitamin that enhances natural resistance to malaria

 

88. All adult fleas are wingless

a. True

b. False

 

89. Larval fleas feed primarily on

a. blood

b. fur and feathers

c. skin flakes

d. excrement of adult fleas

 

90. Which of the following mammals is not likely to harbor fleas?

a. fox

b. rat

c. elk

d. bobcat

 

91. The scientific name of the Oriental rat flea is

a. Ctenocephalides felis

b. Pulex irritans

c. Xenopsylla cheopis

d. Spilopsyllus cuniculi

92, Yersinia pestis is a

a. virus

b. bacterium

c. protozoan

d. nematode

 

 

93. The form of plague characterized by huge swelling of the lymph nodes is

a. septicemic

b. bubonic

c. pneumonic

d. chronic

 

94. In what century did the second pendemic of plague begin?

a. 6th

b. 14th

c. 17th

d. 19th

 

95. The man who first suggested that fleas were principal vectors of plague was

a. Alexandre Yersin

b. Charles Rothschild

c. P. L. Simond

d. William Crawford Gorgas

 

96. A nit is

a. a louse egg.

b. a mark on the skin made by a louse feeding

c. an immature louse

d. a louse dropping

 

97. Exanthematous typhus is caused by a

a. virus

b. rickettsia

c. protozoan

d. nematode

 

98. Lice inject the pathogen that causes typhus into the feeding site along with saliva.

a. True

b. False

 

99. Typhus is always fatal to a louse.

a. True

b. False

 

100. The principal vector of typhus is

a. Pediculus humanus

b. Rickettsia prowazekii

c. Phthirus pubis

d. Hematopinus suis

 

 

 

HERE ARE SOME EXTRA CREDIT QUESTIONS—ONE POINT APIECE!

 

101. In what year was the genome of Rickettsia prowazekii sequenced?

a. 1998

b. 1999

c.  2000

d.  2001

 

102. Which of the following diseases is also vectored by lice?

a. Rocky Mountain spotted fever

b. dengue

c. trench fever

d. breakbone fever

 

103.  The person who was awarded a Nobel Prize in 1920 for describing transmission of typhus by lice was

a. Florence Nightingale

b. Hans Zinsser

c. Charles Nicolle

d.  Stanlisaus von Prowazek