MCQ
An animal having pentadactyl limbs without claws belongs to the class
- ✓Amphibia
- BReptilia
- CAves
- DMammalia
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$\begin{array}{|l|l|} \hline Column-I & Column-II \\ \hline 1.\,\,Phaeophyceae & A.\,\,Chara \\ \hline 2.\,\,Chlorophyceae & B.\,\,Wolffia \\ \hline 3.\,\,Rhodophyceae & C.\,\,Porphyra \\ \hline 4.\,\,Angiosperms & D.\,\,Ectocarpus \\ \hline \end{array}$
$R-$ In stroma, enzymatic reactions incorporate $CO_2$ into the plant leading to the synthesis of sugar.