NEETBotanyAnimal Kingdom
Match List I with List II regarding the characteristics of the notochord in different taxonomic groups. (A) Urochordata (I) Notochord extends from head to tail region and is persistent (B) Cephalochordata (II) Notochord is present only in larval tail (C) Vertebrata (III) Notochord is persistent throughout life and mouth is located ventrally (D) Chondrichthyes (IV) Embryonic notochord is replaced by a cartilaginous or
Options
- A(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
- B(A)-(II), (B)-(I), (C)-(IV), (D)-(III)
- C(A)-(II), (B)-(III), (C)-(IV), (D)-(I)
- D(A)-(II), (B)-(I), (C)-(III), (D)-(IV)
Correct answer
B. (A)-(II), (B)-(I), (C)-(IV), (D)-(III)
Step-by-step solution
According to NCERT: In Urochordata, the notochord is present only in the larval tail. Hence, (A) matches with (II). In Cephalochordata, the notochord extends from the head to the tail region and is persistent throughout their life. Hence, (B) matches with (I). In Vertebrata, the organisms possess a notochord during the embryonic period, which is replaced by a cartilaginous or bony vertebral column in the adult. Hence, (C) matches with (IV). In the class Chondrichthyes, the mouth is located ventrally and the notocho