The $Fenestra$ $ovalis$ in a frog is the:

Chordae tendinae in the heart of a frog are found in the wall of:

Which of the following statements are correct with respect to $Frogs$?
$A$. $Bidder's$ canals are present in male $Frogs$
$B$. Copulatory pads are present in female $Frogs$
$C$. Sound producing vocal sacs are present in male $Frogs$
$D$. $Cloaca$ is present in male $Frog$ only
Choose the most appropriate answer from the options given below:

What is the difference between the bone of a rabbit and that of a frog?

In a frog,the jelly around the eggs is deposited in:

The hepatic portal vein,before reaching the liver,joins the: