Question

6. Describe the chemical changes which occur during
photosynthesis in:-
(a) Light reaction
(b) Dark reaction​

Answer 1

Answer:

LIGHT REACTION:

NADPH formation..The net effect of these steps is to convert light energy into chemical energy in the form of ATP and NADPH. The ATP and NADPH from the light-dependent reactions are used to make sugars in the next stage of photosynthesis, the Calvin cycle.

DARK REACTION:

Dark reaction is also called carbon-fixing reaction. It is a light-independent process in which sugar molecules are formed from the carbon dioxide and water molecules. The dark reaction occurs in the stroma of the chloroplast, where they utilize the products of the light reaction.

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Answer 2

Answer:a) thylakoids of the chloroplast.

b) energy is released from ATP

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