Which type of teeth is found in a frog?

In a frog,the pyloric sphincter is located between:

The $9^{th}$ pair of cranial nerves in a frog is -

The skull of a frog is:

Which of the following is mainly used in capturing the prey in a frog?

Choose the correct sentences for a female frog.
$1$. Vocal sacs are absent in female frogs.
$2$. $A$ mature female can lay $2500$ to $3000$ ova at a time.
$3$. In female frogs,fertilized eggs are encased in oothecae and it is a dark reddish to blackish brown.