MCQ
The sinus venosus of frog is located on
- ✓Dorsal surface of the heart of frog
- BVentral surface of the heart of frog
- CDorsal surface of the heart of rabbit
- DVentral surface of the heart of rabbit
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$R$ : It allowed the animal to have an alimentary canal longer than the body & space for storing gametes.
$\begin{array}{|l|l|} \hline Column\,\,-I & Column\,\,-II \\ \hline 1.\,\,Pituitary\,\,gland & p.\,\,Trachea \\ \hline 2.\,\,Thyroid\,\,gland & q.\,\,Bony\,\,cavity\,\,(Sella\,\,tursica) \\ \hline 3.\,\,Thymus & r.\,\,Anterior\,\,part\,\,of\,\,kidney \\ \hline 4.\,\,Adrenal\,\,glands & s.\,\,Dorsal\,\,side\,\,of\,\,the\,\,heart\,\,and\,\,aorta \\ \hline \end{array}$