Class 11 · Animal Kingdom

Molluscs: Dioecious & Oviparous — NEET Biology

📚 Practice Concept
📖 NCERT Source

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).

NCERT Biology · Class 11 · Chapter 4 · Paragraph 31
Practice This Concept
QuestionPractice Question

Which of these is a mollusc?

📖 Solution & NCERT Explanation
View solution & NCERT explanation

Correct answer: B Octopus

Octopus is a cephalopod mollusc, known for its well-developed nervous system and closed circulation.

❓ Frequently Asked Questions
What does NCERT say about They are usually dioecious?
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).
Has this concept appeared in NEET?
Practice this NCERT concept with questions on MedicNEET.
Which chapter is this from?
Animal Kingdom, Class 11 NCERT Biology.

Through deep analysis of NEET and NTA, 88 of 90 questions from the NEET 2026 paper were matched straight from the MedicNEET Biology question bank.

88/90
of the NEET 2026 Biology paper matched from the MedicNEET question bank

MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.

88 of 90 NEET 2026 Biology questions traced to MedicNEET14,000+ Biology questionsHindi + English
Free to start · Hindi + English · 22,000+ questions · NEET 2026 pattern
Related Concepts from Animal Kingdom
📘Practice all 25 NEET PYQs from Animal Kingdom🔍See full Animal Kingdom PYQ Analysis