• 1. 
    In arthropods, this is complete

  • circulatory system
  • respiratory structures
  • digestive system
  • reproductive structures
  • 2. 
    The periplaneta belongs to which of this phyla

  • Echinodermata
  • Annelida
  • Mollusca
  • Arthropoda
  • 3. 
    The labrum in cockroach is attached to the head capsule through the means of

  • Clypeus
  • Genas
  • Frons
  • All the above
  • 4. 
    The characteristic of pronounced cephalisation is seen in

  • Arthropoda
  • Mollusca
  • Annelida
  • Echinoderms
  • 5. 
    This is the basic unit in the eye of insect/cockroach

  • Corneal facet
  • Ommatidium
  • Rhabdome
  • Retina
  • 6. 
    This is the common factor between housefly, anopheles and cockroach

  • three pair of legs
  • two pair of wings
  • cuticle covering the body
  • presence of cephalothorax
  • 7. 
    Pick the common trait in rats, bed bugs, mosquitoes, leeches

  • all these have a sexual phase
  • all these have no cellular membrane
  • all these do not have a nucleus
  • all these have an anticoagulatin
  • 8. 
    The growth in arthropods goes along with this process

  • mitosis
  • only molting
  • only ecdysis
  • ecdysis and molting
  • 9. 
    To view the haemocoel, you would pick this animal

  • Sponge
  • Earthworm
  • Scolopendra
  • Hydra
  • 10. 
    In cockroach, the spiracles are found in

  • thorax – 2 pairs, abdomen – 4 pairs
  • thorax – 2 pairs, abdomen – 6 pairs
  • thorax – 2 pairs, abdomen – 8 pairs
  • thorax – 2 pairs, abdomen – 10 pairs
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