Which of the following statements are correct? I. Notochord is present throughout life in cephalocho — NEET Chemistry Past Papers Chemistry Question

Question

Which of the following statements are correct? I. Notochord is present throughout life in cephalochordates. II. Cyclostomates are jawless vertebrates. III. Chordates possess dorsal hollow nerve cord. IV. Protochordates lack cranium. (A) II, III and IV only (B) I, II and III only (C) I and IV only (D) I, II, III and IV