Question

Dark reaction of photosynthesis is called so because it occurs only during night.

• A. True
• B. False

Answer 1

The correct option is A True

Dark reaction:

1. The process of photosynthesis is divided into two phases: light and dark.
2. The dark reaction takes place in the stroma of a chloroplast.
3. It takes place in the absence of light because the enzymes engaged in the reaction can only function without light.
4. The dark reaction involves the fixation of atmospheric CO2 to glucose by Rubisco in the Calvin-Benson cycle.
5. Therefore, it is a reaction that can only take place in the absence of light or at night.

Final answer: The given statement is true.