In electron transport chain of photosynthesis oxidised `P_(700)` draws electrons from photosystem II and transers electrons to

Options

A. ferredoxin and ferredoxin-NADP reductase
B. pheophytin
C. water
D. `CO_(2)`

Answer

### Step-by-Step Solution:

1. **Understanding the Components**: The question revolves around the electron transport chain in photosynthesis, specifically focusing on P700, which is the reaction center of Photosystem I (PSI).

2. **Electrons in Photosynthesis**: In the process of photosynthesis, electrons are excited by light energy. In non-cyclic photophosphorylation, both Photosystem I and Photosystem II (PSII) are involved.

3. **Electron Transfer from PSII to PSI**: The oxidized P700 in PSI draws electrons from Photosystem II. This means that when PSII absorbs light, it excites electrons, which are then transferred to PSI.

4. **Electron Transfer from PSI**: Once PSI receives the electrons from PSII, it transfers these electrons to a molecule called ferredoxin.

5. **Final Electron Transfer**: After ferredoxin, the electrons are then transferred to an enzyme known as Ferredoxin-NADP+ reductase (FNR). This enzyme catalyzes the reduction of NADP+ to NADPH, which is an important molecule used in the Calvin cycle of photosynthesis.

6. **Conclusion**: Therefore, the correct answer to the question is that oxidized P700 transfers electrons to ferredoxin and subsequently to ferredoxin NADP reductase.

### Final Answer:
Oxidized P700 draws electrons from Photosystem II and transfers electrons to ferredoxin and then to ferredoxin NADP reductase.

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