They are usually dioecious and oviparous with indirect development. Examples: Pila (Apple snail), Pinctada (Pearl oyster), Sepia (Cuttlefish), Loligo (Squid), Octopus (Devil fish), Aplysia (Sea-hare), Dentalium (Tusk shell) and Chaetopleura (Chiton).
Which of these is a mollusc?
Correct answer: B — Octopus
Octopus is a cephalopod mollusc, known for its well-developed nervous system and closed circulation.
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