Biology
Grade-9
Easy
Question
Which of the following is the reaction center of photosystem I?
- P680
- P700
- P400
- P500
The correct answer is: P700
- This reaction centre is also known as photocentre. These centers can release electron upon absorption of energy. In PS I, the reaction centre chlorophyll a has an absorption peak at 700 nm, hence is called P700.
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