Which of the following statements about frog are correct? I. Frog is ectothermic. II. Heart is three-chambered. III. Fertilisation is internal. IV. Frog respires through skin and lungs. (A) I and III

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Question

Which of the following statements about frog are correct? I. Frog is ectothermic. II. Heart is three-chambered. III. Fertilisation is internal. IV. Frog respires through skin and lungs.

(A) I and III only
(B) I, II and IV
(C) II and III only
(D) I, II, III and IV

Prashant Kotian · Accepted Answer

Correct answer: B

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