Which is a limbless amphibian?

Which of the following is a limbless amphibian?

Consider the following statements. I. Salamander are cold-blooded and tailed amphibian. II. Ichthyophis is a limbless amphibian and feeds underground on worms and insects. Which of the statement (s) given above is/are correct ?

A limbless amphibian is

A limbless amphibian is

A limbless amphibian is

A limbless amphibian is

Which of the following is a limbless amphibian

Name a limbless amphibian

Which one of the following si a limbless amphibian ?