Animal Kingdom Question 742
Question: Symmetry in Cnidaria is
[CBSE PMT 2005]
Options:
A) Radial
B) Bilateral
C) Pentamerous
D) Spherical
Show Answer
Answer:
Correct Answer: A
Solution:
Animals belonging to phylum Coelenterata (or Cnidaria) are aquatic, mostly marine, sessile or free-swimming, radially symmetrical animals.
They are diploblastic and acoelomate animals.
Radial symmetry is shown by primitive animals in which environment remains the same all round along all the radii of the animal.
BETA
