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Splitting of water molecules during ligh...

Splitting of water molecules during light reaction of photosynthesis is associated with (a) PS I resulting the release of `O_(2)`, protons and transfer of electrons to PS II (b) PS II resulting in release of `O_(2)`, protons and transfer of electrons to PS I (c) PS II resulting in release of `O_(2)`, protons and transfer of electrons to PS II (d) PS I resulting in the release of `O_(2)`, protons and transfer of electrons to PS I.
Of the above statements

A

a alone is correct

B

b alone is correct

C

c alone is correct

D

d alone is coorect

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the splitting of water molecules during the light reaction of photosynthesis, we will analyze each option step by step. ### Step 1: Understand the process of water splitting During the light reactions of photosynthesis, water molecules are split in a process known as photolysis. This occurs in Photosystem II (PS II) and is crucial for providing electrons that replace those lost by chlorophyll when it absorbs light. ### Step 2: Analyze each option - **Option (a)**: "PS I resulting in the release of O₂, protons and transfer of electrons to PS II." - This statement is incorrect. PS I does not split water; it receives electrons from PS II. - **Option (b)**: "PS II resulting in the release of O₂, protons and transfer of electrons to PS I." - This statement is correct. PS II is responsible for the splitting of water, which releases oxygen and protons, and transfers electrons to PS I. - **Option (c)**: "PS II resulting in the release of O₂, protons and transfer of electrons to PS II." - This statement is incorrect. PS II does not transfer electrons to itself; it transfers them to PS I. - **Option (d)**: "PS I resulting in the release of O₂, protons and transfer of electrons to PS I." - This statement is incorrect. PS I does not release oxygen or protons; it receives electrons from PS II. ### Step 3: Conclusion Based on the analysis, the correct answer is **(b)**: "PS II resulting in the release of O₂, protons and transfer of electrons to PS I."
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