Which of the following reactions is also known as the Calvin Cycle?

• A. Light-Dependent Reactions
• B. Cellular Respiration
• C. Aerobic Respiration
• D. Light-Independent Reactions

Answer: (D)

The reaction known as the Calvin Cycle is indeed referred to as the Light-Independent Reactions. This process occurs in the stroma of chloroplasts and is crucial for photosynthesis in plants. During the Calvin Cycle, carbon dioxide from the atmosphere is fixed and converted into glucose using the energy produced during the light-dependent reactions.

The main objective of this cycle is to synthesize organic compounds from carbon dioxide, using ATP and NADPH generated from the light-dependent reactions. The Calvin Cycle includes phases such as carbon fixation, reduction, and regeneration of ribulose bisphosphate (RuBP), which are essential for producing energy-rich molecules.

This cycle does not require light directly, which is why it's categorized as light-independent, although it relies on the products of the light-dependent reactions to function.