assertion and reason type question? assertion:photosinthsis is a endotermic reaction. reason:enrgy from sunlight is absorbed from photosinthsis
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Photosynthesis is considered to be an “endothermic reaction” because it absorbs the sun's energy to enable the reaction to happen. Like most of the endothermic reactions, the plants do not absorb heat but they absorb sun's photothermal energy to perform 'photosynthesis' in order to produce starch.
Chlorophyll can absorb light and turn it into chemical energy that the plant can use. Since the sun gives off a mix of mostly red and blue light, these are the colors that chlorophyll absorbs best. On the other hand, green light is reflected by chlorophyll, which is why most plants have green leaves.
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