Q. 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:
A) Statement I is incorrect but Statement II is correct
B) Both Statement I and Statement II are correct
C) Both Statement I and Statement II are incorrect
D) Statement I is correct but Statement II is incorrect
Explanation
[Solution from source] Statement I is the definition of radial symmetry. Echinoderm adults are radially symmetrical but their larvae are bilaterally symmetrical, so II is false. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.