Question

Out of the four animals (a,b,c,d) select the animals with common characteristics

• A. a and b respire mainly through body wall
• B. b and c show radial symmetry
• C. a and b have cnidoblasts for self defence
• D. c and d have a true coelom

Answer 1

The correct option is D c and d have a true coelom

Option 'd' is correct

c and d have a true coelom because this

body is lined by mesodum. Animals Possessing

coelom are known as coelomales. cephalopoda

and Aracheda have a true coelom because

mesoderm is present.