Dark reaction occurs

Dark reaction occurs

Options

(a) only in light
(b) only in the absence of light
(c) independent of light
(d) only in light & independent of light

Correct Answer:

independent of light

Explanation:

Dark reaction takes place in the stroma of the chloroplast where the products of light reaction (i.e. assimilatory power) are used to incorporate carbon from CO₂ to carbohydrate. Although the reaction itself does not require light but the process often occurs in the light and continues for a brief period after a plant is kept in dark as long as NADPH and ATP are available. It is also known as thermochemical (enzymatic) reaction.

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