Re-NEET 2026 · Question 107 · Class 11

Animal Kingdom

Given below are two statements : Statement I : When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symmetry. Statement II : In phylum Echinodermata, both adults and larvae are radially symmetrical. In the light of the above statements, choose the most appropriate answer from the options given below :

  1. (A)Both Statement I and Statement II are correct
  2. (B)Both Statement I and Statement II are incorrect
  3. (C)Statement I is correct but Statement II is incorrect
  4. (D)Statement I is incorrect but Statement II is correct

The NCERT line that answers it

Verbatim line

The adult echinoderms are radially symmetrical but larvae are bilaterally symmetrical.

Chapter
Animal Kingdom
Section
4.2.9 Phylum – Echinodermata
Page
8
Words matched
11 of 11

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that adult echinoderms are radially symmetrical but larvae are bilaterally symmetrical, which directly contradicts Statement II and confirms Statement I's definition of radial symmetry, thereby justifying option C.

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Question text is reproduced from the published Re-NEET 2026 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.