Home
Class 12
BIOLOGY
In light phase of photosynthesis there i...

In light phase of photosynthesis there is formation of

A

ATP

B

`NADPH_(2)`

C

Both ATP and `NADPH_(2)`

D

Carbohydrates.

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Light Phase of Photosynthesis**: The light phase, also known as the light-dependent reactions, occurs in the thylakoid membranes of chloroplasts. This phase requires light to drive the reactions. 2. **Key Processes in the Light Phase**: The light phase involves two types of phosphorylation: - **Cyclic Phosphorylation**: This process primarily produces ATP. - **Non-Cyclic Phosphorylation**: This process produces both ATP and NADPH2. 3. **Phosphorylation Explained**: Phosphorylation is the process of adding a phosphate group to ADP (adenosine diphosphate) to form ATP (adenosine triphosphate). This occurs in the presence of light and chlorophyll. 4. **Products of the Light Phase**: During the light reactions, both ATP and NADPH2 are produced. These molecules are essential for the subsequent light-independent reactions (Calvin cycle) where carbohydrates are synthesized. 5. **Conclusion**: Therefore, the correct answer to the question "In light phase of photosynthesis there is formation of" is both ATP and NADPH2. **Final Answer**: Both ATP and NADPH2. ---
Promotional Banner

Topper's Solved these Questions

  • PHOTOSYNTHESIS

    DINESH PUBLICATION ENGLISH|Exercise CYG|10 Videos

  • ORIGIN OF LIFE

    DINESH PUBLICATION ENGLISH|Exercise All Questions|201 Videos

  • PHYLUM - ANNELIDA

    DINESH PUBLICATION ENGLISH|Exercise Check your grasp|10 Videos

Similar Questions

Explore conceptually related problems

Biosynthetic phase of photosynthesis

Calling the biosynthetic phase of photosynthesis as the dark reaction is a misnomer.

Which phase of photosynthesis light or dark reaction is called biosynthetic phase?

First step of light phase of photosynthesis is :-

During light reaction of photosynthesis the electrons lost by pigment system II are compensated by

Dark reactions are called biosynthetic phase of photosynthesis. Reason: Dark reactions do not directly depend on the presence of light but are dependent on the products of the light reaction, i.e., ATP and NADPH.

During light reaction of Photosynthesis the electrons lost by pigment system II are compensated by

Assertion. In light reaction of photosynthesis, light is required for the functioning of PS I and PS II and Production of NADPH and ATP. Reason. Dark reaction does not occur in light.

During light reaction in photosynthesis the following are formed.

During light reaction in photosynthesis the following are formed.