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Photosynthesis can be classified as a (an):
AExothermic + combination
BEndothermic + decomposition
CExothermic + decomposition
DEndothermic + combination
Answer & Solution
Correct answer: D. Endothermic + combination
1. 6 CO₂ + 6 H₂O →(light) C₆H₁₂O₆ + 6 O₂.
2. Multiple reactants combine into a glucose product — combination.
3. Light energy is ABSORBED — endothermic.
4. So it's both endothermic and a combination.
_Source: NCERT Class 10 Science Ch 1 §1.2.1 Endothermic Reactions_
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