Question

Explain:-

Mechanism of photosynthesis

(i)- light reaction

(ii)- dark reaction

@Ńø §pæm Åňşwęř .

Answer 1

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$\bold{Mechanism\: of\: photosynthesis}$

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$\bold{Photosynthesis}$ is the process by which autotrophic plants make their own food. Co2, water, chlorophyll, and sunlight are four important requirements for this process. Photosynthesis occurs in two steps: Light reaction and Dark Reaction.

$\bold{Light Reaction}$ – It is a light dependent reaction

$\bold{Dark Reaction}$ – It is a light-independent reaction.

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Answer 2

Explanation:

Light reactions need light to produce organic energy molecules (ATP and NADPH). They are initiated by colored pigments, mainly green colored chlorophylls. 

Dark reactions make use of these organic energy molecules (ATP and NADPH). This reaction cycle is also called Calvin Benison Cycle, and it occurs in the stroma.