Photophosphorylation was first demonstrated by ......... .

Name the scientist who demonstrated by the bell jar experiment that plants purify the air.

One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of

Who first suggested that light energy is converted into chemical energy within the plant body?

If a photosynthesising plant releases oxygen containing more than the normal amount of $^{18}O$,it is concluded that the plant has been supplied with:

What does the experiment of two leaves explain in the context of photosynthesis?