Which photosystem are associated with photolysis of water?

Question

Answer

PS-ll is associated with photolysis of water

Answer

Photosystem-2.

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Photolysis of water is the splitting of the water molecule into hydrogen and oxygen in the presence of sunlight. it occurs in photosystem 2

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Photolysis of water is carried out to fulfill the need of electrons that are given by photosystem II tophotosystem I in the Z scheme. The splitting of water isassociated with PSII in which water is split into H+, [O] and electrons and this also creates oxygen, one of the net product of photosynthesis

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Photolysis of water associated with PS2..

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Ps 2

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Photosystem-2  is associated with photolysis of water.

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The electron deficient reaction center of photosystem 2nd

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Photosystem 2 , is associated with photolysis  of water... that is why it occurs before ps1 to get electrons for movement...

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Photo system  2

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The photosystem associated with the photolysis of water is Photosystem II (PSII). PSII is one of two photosystems found in the thylakoid membrane of chloroplasts, and it plays a crucial role in the light-dependent reactions of photosynthesis.

Photosystem II (PSII):
Photosystem II is responsible for capturing light energy and transferring it to chemical energy, which is used to generate ATP and NADPH for the Calvin cycle. It consists of several pigment molecules, including chlorophyll a and b, as well as accessory pigments such as carotenoids. These pigments are organized into antenna complexes, which are located in the thylakoid membrane.

Photolysis of Water:
During the light-dependent reactions, PSII absorbs photons of light energy, exciting the electrons in the pigment molecules. These excited electrons are then transferred through a series of electron carriers in the thylakoid membrane, resulting in the generation of a proton gradient across the membrane. This proton gradient is used to produce ATP through chemiosmosis.

One of the key reactions that occur in PSII is the photolysis of water. This process involves the splitting of water molecules into oxygen, hydrogen ions (H+), and electrons. The electrons derived from water replace the excited electrons in the pigment molecules of PSII, allowing the photosystem to continue functioning and capturing light energy.

Steps of Photolysis of Water in PSII:
1. Absorption of Light: PSII absorbs photons of light energy, exciting the electrons in the pigment molecules.
2. Electron Transfer: The excited electrons are transferred through a series of electron carriers in the thylakoid membrane, resulting in the generation of a proton gradient.
3. Water Splitting: Water molecules are split into oxygen, hydrogen ions (H+), and electrons. The electrons derived from water replace the excited electrons in the pigment molecules of PSII.

Importance of Photolysis of Water:
The photolysis of water is crucial for the overall process of photosynthesis. It provides a source of electrons for PSII, allowing it to continuously capture light energy and generate ATP. Additionally, the release of oxygen during photolysis contributes to the oxygen production in the atmosphere, which is essential for supporting life on Earth.

Similar NEET Doubts

Which one of the following is incorrect about the activities associated with PSI and PSII in non-cyclic photophosphorylation?

Which one of the following is incorrect about the activities associated with PS-I and PS-II in non-cyclic photophospho-rylation?

Splitting of water is associated with ?

Splitting of water is associated with?

In the following question, a Statement of Assertion (

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