Class 11 · Biological Classification

Three-Domain System and Six-Kingdom Classification — NEET Biology

📚 Practice Concept
📖 NCERT Source

The three-domain system has also been proposed that divides the Kingdom Monera into two domains, leaving the remaining eukaryotic kingdoms in the third domain and thereby a six kingdom classification. You will learn about this system in detail in higher classes.

NCERT Biology · Class 11 · Chapter 2 · Paragraph 4
Practice This Concept
QuestionPractice Question

The three-domain system divides which kingdom into two domains?

📖 Solution & NCERT Explanation
View solution & NCERT explanation

Correct answer: D Monera

Monera is split into Archaea and Bacteria domains.

❓ Frequently Asked Questions
What does NCERT say about three-domain system has also?
The three-domain system has also been proposed that divides the Kingdom Monera into two domains, leaving the remaining eukaryotic kingdoms in the third domain and thereby a six kingdom classification. You will learn about this system in detail in higher classes.
Has this concept appeared in NEET?
Practice this NCERT concept with questions on MedicNEET.
Which chapter is this from?
Biological Classification, 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 Biological Classification
📘Practice all 18 NEET PYQs from Biological Classification🔍See full Biological Classification PYQ Analysis