Arthropods - Class Insecta Characteristics
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Questions and Answers

What is the characteristic feature of the exoskeleton of arthropods in the Class Insecta?

  • It is made of keratin
  • It is made of chitin (correct)
  • It is made of calcium carbonate
  • It is made of cellulose

How many distinct regions does the body of an insect in the Class Insecta have?

  • 3 (correct)
  • 5
  • 2
  • 4

What is the name of the order of insects that includes true flies?

  • Coleoptera
  • Lepidoptera
  • Diptera (correct)
  • Hymenoptera

What is the purpose of the halteres in Diptera?

<p>To aid in balance (D)</p> Signup and view all the answers

What is the type of metamorphosis that occurs in Diptera?

<p>Complete metamorphosis (D)</p> Signup and view all the answers

Which of the following is an example of a Diptera that is a major malaria vector?

<p>Anopheles gambiae (D)</p> Signup and view all the answers

How many people worldwide remain threatened by lymphatic filariasis?

<p>856 million (A)</p> Signup and view all the answers

How many cases of malaria were estimated worldwide in 2021?

<p>247 million (C)</p> Signup and view all the answers

What is the characteristic of Aedes spp. when resting and feeding?

<p>Body rests parallel to surface, head slightly bent downwards (C)</p> Signup and view all the answers

Which species of Aedes is known as the Tiger mosquito or forest mosquito?

<p>Aedes albopictus (D)</p> Signup and view all the answers

What is the parasite that causes lymphatic filariasis (LF) in Pacific and Asia?

<p>Wuchereria bancrofti (A)</p> Signup and view all the answers

Which order of insects do Aedes spp. and Culex spp. belong to?

<p>Order Diptera (D)</p> Signup and view all the answers

What is the characteristic of Culex spp. when resting?

<p>Body rests parallel to surface, hind legs curled up over back (A)</p> Signup and view all the answers

What is the disease transmitted by Glossina (genus of tsetse fly)?

<p>Human sleeping sickness (A)</p> Signup and view all the answers

Which species of mosquito is a vector of lymphatic filariasis in the Americas?

<p>Culex quinquefasciatus (A)</p> Signup and view all the answers

What is the habitat of Glossina (genus of tsetse fly)?

<p>Rural Africa (C)</p> Signup and view all the answers

What is the most common strain of Babesia documented to cause disease in humans in the US?

<p>Babesia microti (D)</p> Signup and view all the answers

Which tick species is the most important parasite of livestock globally?

<p>Rhipicephalus microplus (D)</p> Signup and view all the answers

What is the name of the disease caused by Babesia bovis in cattle?

<p>Cattle fever (A)</p> Signup and view all the answers

What is the phylum of the protozoan parasite Babesia bovis?

<p>Apicomplexa (B)</p> Signup and view all the answers

What is the name of the tick species that transmits Babesia bovis and Anaplasma marginale?

<p>Rhipicephalus microplus (A)</p> Signup and view all the answers

What is the name of the disease caused by Anaplasma marginale?

<p>Anaplasmosis (B)</p> Signup and view all the answers

What is the characteristic feature of the tick species Amblyomma variegatum?

<p>Pale rings on most segments of their legs (B)</p> Signup and view all the answers

What are the two important diseases associated with the tick species Amblyomma variegatum?

<p>Heartwater and Dermatophilosis (B)</p> Signup and view all the answers

What disease is caused by the protozoa of the genus Leishmania?

<p>Leishmaniasis (B)</p> Signup and view all the answers

What is the primary function of the mouthparts of adult fleas?

<p>Piercing skin and sucking blood (D)</p> Signup and view all the answers

What is the genus of the sand fly that is a vector for leishmaniasis?

<p>Phlebotomus (B)</p> Signup and view all the answers

What is the characteristic of the body of fleas?

<p>Laterally compressed (C)</p> Signup and view all the answers

What is the purpose of the combs in fleas?

<p>For species identification (A)</p> Signup and view all the answers

What is the primary habitat of adult fleas?

<p>On warm-blooded animals (C)</p> Signup and view all the answers

What is the genus of the black fly that is a vector for river blindness?

<p>Simulium (B)</p> Signup and view all the answers

What is the significance of the genal and pronotal combs in cat and dog fleas?

<p>For species identification (B)</p> Signup and view all the answers

What is the primary purpose of a larva climbing onto low vegetation?

<p>To search for a host (B)</p> Signup and view all the answers

What happens to the eggs of the Rhipicephalus microplus tick?

<p>They hatch in the environment (A)</p> Signup and view all the answers

What is the typical lifespan of some ticks?

<p>Up to 21 years (D)</p> Signup and view all the answers

What is the typical behavior of a one-host tick?

<p>It moults through all instars on one host (A)</p> Signup and view all the answers

What is the advantage of using a series of hosts for ticks?

<p>It increases opportunities for transmission of pathogens (B)</p> Signup and view all the answers

What is the characteristic of the Boophilus decoloratus tick?

<p>It produces around 2500 eggs (A)</p> Signup and view all the answers

What is the characteristic of Argasids ticks?

<p>They are many-host ticks (D)</p> Signup and view all the answers

What is the purpose of the nymph moulting to an adult and attaching to another host?

<p>To complete its development (B)</p> Signup and view all the answers

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