Question

Choose the correct statement for the following animals.

• A. All these animals are aquatic, free-living
• B. All are true coelomates
• C. 'A' has radial symmetry, but remaining have bilateral symmetry
• D. ' A ' is monoecious, but remaining are dioecious

Answer 1

Answer: (D)

Option (d) is the correct statement.
Animal $A$- Liver fluke (Fasciola), bilaterally symmetrical, acoelomate, endoparasite, monoecious.
Animal $B$ - Nereis, free-living, aquatic, bilateral symmetry, coelomate, dioecious.
Animal $C$ - Pila, aquatic, bilateral symmetry, coelomate, dioecious.
Animal $D$ - Asterias, aquatic, radial symmatry, coelomate, dioecious.