Question

Match the name of the animal (Column I), with one characteristics (Column II), and the phylum/class (column III) to which it belongs :

• A. Column I : Petromyzon, Column II : ectoparasite, Column III : Cyclostomata
• B. Column I : Ichthyophis, Column II : terrestrial, Column III : Reptilia
• C. Column I : Limulus, Column II : body covered by chitinous exoskeleton, Column III : Pisces
• D. Column I : Adamsia, Column II : radially symmetrical, Column III : Porifera

Answer 1

The correct option is A Column I : Petromyzon, Column II : ectoparasite, Column III : Cyclostomata

L imulus belongs to phylum Arthropoda. Adamsia belongs to phylum Coelenterata. Petromyzon (lamprey) (cyclostomata) is a sanguivorous ectoparasite of larger fishes. Ichthyophis is a limbless amphibian and belongs to class Amphibia.

So, the correct answer is 'A'.