Which structure is a rigid rod composed of specialized cells enclosed by connective tissue, located along the mid-dorsal area and found in the embryos of all chordates?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Biology Mcqsbiology-mcqs
Published
4 Jun 2018
Last updated
28 May 2026

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Explanation

The notochord is a stiff, rod-like structure made up of specialized cells surrounded by connective tissue. It is situated in the mid-dorsal region of chordate embryos and serves as a key characteristic of this phylum.

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