In which of the following are $RBCs$ nucleated?

To which order does the frog belong?

The limbless amphibian is

Animals of which order have a tail in their larval forms?

Which of the following is not a true amphibian?

Which of the following is $NOT$ true for the $Axolotl$ larva?
$(I)$ It exhibits neoteny and paedogenesis.
$(II)$ The absence of thyroxine affects metamorphosis.
$(III)$ It is a hemichordate larva.