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