Question

Dark reaction in photosynthesis is called so because

• A. It does not require light energy
• B. It occurs more than rapidly in night
• C. It can also occur in darkness
• D. It cannot occur during daytime

Answer 1

The correct option is A

It does not require light energy

1. Light is not required for dark reactions.
2. The dark reaction uses energy molecules ATP and NADPH to produce organic molecules.
3. No photosystem is required.
4. Water does not undergo the process of photolysis.
5. Therefore, the dark reaction in photosynthesis is called so because it does not require light energy.