Light independent reaction involves ..... I O2 fixation. II Endergonic reaction. III Reduction and regeneration of RuBP.

C 4 PHOTOSYNTHESIS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Light independent reaction involves ____ I O2 fixation. II Endergonic reaction. III Reduction and regeneration of RuBP.

A	I only.
B	III only.
C	I and II.
D	II and III.

Explanation:

Detailed explanation-1: -The light independent process (also called dark reactions or the Calvin-Benson cycle) takes place in the stroma of the chloroplast. Carbon dioxide is modified by series of chemical reactions to form carbohydrates. The energy for these reactions comes from ATP and NADPH generated during the light dependent process.

Detailed explanation-2: -The endergonic (def) light-independent reactions of photosynthesis use the ATP and NADPH synthesized during the exergonic (def) light-dependent reactions to provide the energy for the synthesis of glucose and other organic molecules (def) from inorganic carbon dioxide and water.

Detailed explanation-3: -The requirements or ingredients for light-independent reactions are carbon dioxide and energy in the form of ATP and NADPH. The light-independent reactions take in these required ingredients and make glucose.

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