Question Detail
Question
Match List I (Characteristic feature) with List II (Organism) and select the correct answer using the code given below the lists: List I A. Thread cells B. Kolliker's pit C. Test D. Typhosole List II 1. Herdmania 2. Myxine 3. Branchiostoma 4. Petromyzon
Correct Answer
Option D is the correct answer.
Detailed Explanation
Thread cells are found in Myxine (hagfish) (A-2). Kolliker's pit is a ciliated pit found in Branchiostoma (amphioxus) (B-3). Test (tunic) is the outer covering of Herdmania (a tunicate) (C-1). Typhosole is a dorsal longitudinal fold in the intestine of Petromyzon (lamprey) (D-4).
Hint
Match each anatomical feature to the chordate group where it is characteristically found.