Dark reaction occurs

Dark Reaction Occurs Biology Question

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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Topics: Photosynthesis in Higher Plants (153)
Subject: Biology (4253)

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