Asked by palaksophia | 29th Apr, 2009, 11:59: AM

Expert Answer:

  Light reaction Dark reaction
1 It is a photochemical reaction It is a synthetic reaction
2 It takes place only in presence of light. It is independent of light (though it depends on the products of the light reaction)
3 It takes place in grana of chloroplast. It takes place in stroma of chloroplast
4 It synthesizes ATP and NADPH2 It utilizes ATP and NADPH2
5 It involves photolysis of water and releases oxygen. It involves fixation of carbon dioxide to produce carbohydrates.

Answered by  | 29th Apr, 2009, 09:36: PM

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