In frog,the surface of attachment of the tongue is

In a frog, the tongue is attached to the $..........$.

How many vasa efferentia arise from the testes of a male frog?

Statement-$I$: In frog,eyes and internal ears are well-organised structures.
Statement-$II$: Sensory papillae,taste buds,and nasal epithelium are cellular aggregations around nerve endings.

The blastopore is the ....................

In a frog,which of the following is a part of the hindbrain?