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NEETZoologyStructural Organisation in Animals

Match List-I with List-II regarding the circulatory system of a frog. (A) Sinus venosus (I) Venous connection between liver and intestine (B) Conus arteriosus (II) Venous connection between lower parts of the body and kidney (C) Hepatic portal system (III) Triangular structure that joins the right atrium (D) Renal portal system (IV) Sac-like structure on the ventral side of the heart Choose the correct answer from th

Options

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

Correct answer

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

Step-by-step solution

According to NCERT, the sinus venosus is a triangular structure that joins the right atrium (A-III). The ventricle opens into a sac-like conus arteriosus on the ventral side of the heart (B-IV). The special venous connection between the liver and intestine is called the hepatic portal system (C-I). The special venous connection between the lower parts of the body and the kidney is called the renal portal system (D-II). Therefore, the correct matching is (A)-(III), (B)-(IV), (C)-(I), (D)-(II). Answer: (A)-(III), (B)

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