During hibernation,a frog respires with:

Consider the following four statements $(A-D)$ related to the common frog $Rana$ $tigrina$, and select the correct option stating which ones are true $(T)$ and which ones are false $(F)$.
Statements:
$A.$ On dry land, it would die due to lack of $O_2$ if its mouth is forcibly kept closed for a few days.
$B.$ It has a four-chambered heart.
$C.$ On dry land, it turns uricotelic from ureotelic.
$D.$ Its life-history is carried out in pond water.

Which of the following nerves innervates the upper jaw of a frog?

Explain respiration in frog.

Where are the testis and ovary located in relation to the kidney?

How many eggs are laid by a female frog at a time?