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NEET 2023
Exam
NEET
Year
2023
Subject
Botany
Chapter
Animal Kingdom

NEET 2023 · Botany · Animal Kingdom

Radial symmetry is NOT found in adults of phylum ____

Radial symmetry is NOT found in adults of phylum ____

Options

  1. ACoelenterata
  2. BEchinodermata
  3. CCtenophora
  4. DHemichordata

Correct answer

D. Hemichordata

Step-by-step solution

Hemichordata:

  • This phylum consists of a small group of worm-like marine animals with organ-system level of organisation.
  • They are bilaterally symmetrical, triploblastic and coelomate animals.
  • Stomochord is present.
  • The body is cylindrical and is composed of an anterior proboscis, a collar and a long trunk.
  • Circulatory system is of open type.

Adult Echinodermata members, Coelenterata members and Ctinophora members show radial symmetry.

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