Chordates — Prelims Questions

Which of the following statements is INCORRECT regarding the characteristics of Chordates?

Which of the following animals belongs to the subphylum Cephalochordata?

In which of the following chordate subphyla are the chordate characteristics typically present only in the larval stage and lost in the adult?

Which of the following is a characteristic feature of Osteichthyes but not Chondrichthyes?

Which of the following classes of Vertebrata is characterized by pneumatic bones and the presence of feathers?

Which of the following is NOT a characteristic feature of mammals?