Animal Kingdom Ques 69

69. What is true about Nereis, scorpion, cockroach and silver fish?

(a) They all posses dorsal heart

(b) None of them is aquatic

(c) They all belong to the same phylum

(d) They all have jointed paired appendages

Show Answer

Answer : a

Hints & Solutions

(a) Nereis (belonging to class polychaeta of phylum Annelida), scorpion and cockroach (belonging to phylum arthropoda) and silver fish all have dorsal heart.