OER Botany


– Autotropic Organisms

– Heterotrophs

– Photosynthesis

– Light Absorption by the Chloroplast


Photosynthesis is a unique process in that it converts light energy into chemical energy.It traps or stores energy of sun light in the form of carbon compounds.

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– The stages of Photosynthesis

– The c4 plants

– Factors affecting photosynthesis


Two reactions are involved in the photosynthesis. The light reaction and the dark reaction.During light reaction chlorophy a molecule absorbs light an electron is ejected from it.

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