NEET Biology question

Consider the following four statements (i) - (iv) and select the correct option (i) Fish heart contains only oxygenated blood (ii) Closure of AV valves produces the second heart sound (iii) The vascular connection between the digestive tract and kidney is called hepatic portal system (iv) Purkinje fibres are nerve fibres present in the heart wall

• (A)(i)-F, (ii)-F, (iii)-T, (iv)-F
• (B)(i)-F, (ii)-F, (iii)-F, (iv)-FCorrect
• (C)(i)-T, (ii)-T, (iii)-F, (iv)-T
• (D)(i)-T, (ii)-F, (iii)-T, (iv)-F