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Match List-I with List-II regarding the characteristics of Class Cyclostomata. List-I List-II (A) Mouth (I) Devoid of scales (B) Body surface (II) Marine to fresh water (C) Skeleton (III) Sucking and jawless (D) Migration (IV) Cartilaginous Choose the correct answer from the options given below:

Options

  1. A(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
  2. B(A)-(III), (B)-(IV), (C)-(I), (D)-(II)
  3. C(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
  4. D(A)-(III), (B)-(I), (C)-(II), (D)-(IV)

Correct answer

A. (A)-(III), (B)-(I), (C)-(IV), (D)-(II)

Step-by-step solution

According to NCERT characteristics of Class Cyclostomata: Cyclostomes possess a sucking and circular mouth without jaws, so (A) matches with (III). Their body is devoid of scales and paired fins, so (B) matches with (I). The cranium and vertebral column (skeleton) are cartilaginous, so (C) matches with (IV). They are normally marine but migrate for spawning to fresh water (anadromous migration), so (D) matches with (II). Therefore, the correct matching is (A)-(III), (B)-(I), (C)-(IV), (D)-(II). Answer: (A)-(III), (

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