Common Indian bullfrog is
The common Indian bullfrog is Rana tigrina. It is characterized by a stout body, protruding eyes, cleft tongue, limbs folded underneath and the absence of a tail in adults. The species are adapted for living underground or in trees. Frogs typically lay their eggs in water. The eggs hatch into aquatic larvae called tadpoles that have tails and internal gills. They have highly specialised rasping mouth parts suitable for herbivorous, omnivorous or planktivorous diets. So, the correct answer is option A.
Which of the following statements is incorrect about the frog? (i) Eyes are bulged out and covered by a nicitating membrane that protects them while in water. (ii) On either side of the eyes a membranous tympanum (ear) receives sound signals. (iii) The hind limbs end in four digits and they are larger and muscular than fore limbs that end in five digits. (iv) Feet have webbed digits that help in swimming. (v) Frogs exhibit sexual dimorphism
Select the correct option: Read the following statements (P- T) and select the option that correctly fills (i)- (v). P. The male frog has a special organ on the throat called _____ (i). Q. _____ (ii) membrane is a part of ear and serves to receive sound waves. R. Dermis of the frog contains sac-like ______ (iii) glands S. Tongue of frog is _____ (iv). T. ______ (v) respiration takes place in lungs on land.
Give two identifying features of an adult male frog.
Lower jaw is toothless in
Absence of thumb is a feature of
Dorsal part of frog is ........... and ventral part is ........... in color.
Neck is absent in frog. This helps frog in
A frog lives in water or near water because
Rana tigirina is zoological name of
Which of the following is found in frog?