MCQ
Which scientist's experiment worked as a milestone in explaining photosynthesis?
- ATwig
- BPriestley
- ✓Cornelis van Niel
- DT.W. Engelmann
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$\begin{array}{|p{0.3\linewidth}|p{0.6\linewidth}|} \hline Column\,\,-I & Column\,\,-II \\ \hline (p)\,\,Sponges & (I)\,\,Through\,\,tracheal\,\,tubes \\ \hline (q)\,\,Insects & (II)\,\,Through\,\,lungs \\ \hline (r)\,\,Molluscs & (III)\,\,Vascularized\,\,gills \\ \hline (s)\,\,Reptiles & (IV)\,\,Simple\,\,diffusion\,\,over\,\,their\,\,entire\,\,body\,\,surface \\ \hline & (V)\,\,by\,\,their\,\,moist\,\,cuticle \\ \hline \end{array}$
$p - q - r - s$
Select the correct combination from the given options