Physiology and Anatomy of Frog

Buccopharyngeal respiration in frog

Consider the following four statements $(\mathrm{A}-\mathrm{D})$ related to the common frog Rana tigrina and select the correct option stating which ones are true $\left(\mathrm{T}\right)$ and which ones are false $\left(\mathrm{F}\right)$ Statements:

$\left(\mathrm{A}\right)$ On dry land it would die due to lack of ${\mathrm{O}}_2$ if its mouth is forcibly kept closed for a few days

$\left(\mathrm{B}\right)$ It has four-chambered heart

$\left(\mathrm{C}\right)$ On dry land it turns uricotelic from ureotelic

$\left(\mathrm{D}\right)$ Its life-history is carried out in pond water

In frog, jelly around the eggs is deposited in

Which statement is true about the venous blood vessels of frog

The toad possesses

The cloaca in frog is a common chamber for the urinary tract, reproductive tract and

Read the following regarding frog and select the correct answer.
I) Corpora bigemina is present in the mid brain.
II) Bidder's canal is present in the kidney of female frog.
III) Sinus venosus is present on the ventral side of heart.
IV) Collumella auris is present in the middle ear

Ureters act as urinogenital ducts in

In frog, the surface of attachment of tongue is ____

In frog, the type of teeth are

Normally haemopoiesis in frog occurs in

*Note: The options are modified here.

Poikilothermy due to mixing of pure and impure blood arises in

The dissolved oxygen in the water is exchanged through the skin via

In frog, the __I__ also acts as a respiratory organ, and it is called __II__. Select the correct option for I and II.

Some parts of the alimentary canal of a frog are marked as W, X, Y and Z. Select the correct option which describes the function of these organs correctly.

The small intestine is the site where the digested food is absorbed with the help of:

Read the following statements and select the correct option:

A. Liver secretes bile that is stored in the __I__.
B. On either side of eyes a membranous __II__ receives sound signals.
C. __III__ emulsifies fat and pancreatic juices digest carbohydrates and proteins.

For an adult frog, the final digestion takes place in

Partially digested food called ___ is passed from the stomach to the first part of the small intestine.

The buccal cavity opens to the oesophagus through