Class 11 · Animal Kingdom

Notochord: Defining Feature of Chordata — NEET Biology

📚 Practice Concept
📖 NCERT Source

Animals belonging to phylum Chordata are fundamentally characterised by the presence of a notochord, a dorsal

📐See NCERT Figure 4.15 for the diagram.
NCERT Biology · Class 11 · Chapter 4 · Paragraph 37
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QuestionPractice Question

Which of the following is a fundamental characteristic of all chordates?

📖 Solution & NCERT Explanation
View solution & NCERT explanation

Correct answer: B Presence of a notochord

Chordates are defined by the presence of a notochord, dorsal hollow nerve cord, and paired gill slits.

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What does NCERT say about Animals belonging to phylum?
Animals belonging to phylum Chordata are fundamentally characterised by the presence of a notochord, a dorsal
Has this concept appeared in NEET?
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Which chapter is this from?
Animal Kingdom, Class 11 NCERT Biology.

Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.

176/180
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