MCQ
Ball and socket joint is found between
- ARibs and vertebral
- BFemur and tibio-fibula
- CHumerus and olecranon fossa
- ✓Humerus and pectoral girdle
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$R$ : Echinoderms have secondarily adapted to radial symmetry.

$\begin{array}{|p{0.3\linewidth}|p{0.5\linewidth}|} \hline Column-I & Column-II\,\,(Amount\,\,of\,\,CO_2\,\,mm\,Hg) \\ \hline (a)\,\,Alveoli & (1)\,\,40 \\ \hline (b)\,\,Tissue & (2)\,\,45 \\ \hline (c)\,\,Blood\,\,without\,\,O_2 & (3)\,\,40 \\ \hline (d)\,\,Blood\,\,with\,\,O_2 & (4)\,\,45 \\ \hline \end{array}$