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Octopus
  • 1. What is the scientific class of octopuses?
A) Mollusca
B) Pisces
C) Arthropoda
D) Cephalopoda
  • 2. How many hearts does an octopus have?
A) One
B) Four
C) Two
D) Three
  • 3. In which ocean are most species of octopus found?
A) Pacific Ocean
B) Indian Ocean
C) Atlantic Ocean
D) Arctic Ocean
  • 4. What is the name of the pigment in octopus skin cells that allows them to change color?
A) Hemoglobin
B) Melanin
C) Carotene
D) Chromatophores
  • 5. How many tentacles does an octopus have?
A) Six
B) Ten
C) Eight
D) Twelve
  • 6. How do octopuses breathe?
A) Through gills
B) Through skin
C) Through lungs
D) Through a snorkel-like tube
  • 7. Which species of octopus is known for using tools and carrying around coconut shells for protection?
A) Dumbo octopus
B) Blue ringed octopus
C) Veined octopus
D) Giant Pacific octopus
  • 8. What is the largest species of octopus in terms of average size?
A) Dumbo octopus
B) Giant Pacific octopus
C) Veined octopus
D) Blue ringed octopus
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