CBSE · Class 11 · Biology · Photosynthesis in Higher PlantsPhotosystem I (PS I) reaction center chlorophyll a absorbs light at:
Step-by-Step Solution
The reaction center chlorophyll a of Photosystem I has an absorption peak at 700 nm and is therefore designated as P700.
Detailed Options Breakdown
Option : 680 nm
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Photosynthesis in Higher Plants.
Option 1: 700 nm (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 650 nm
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Photosynthesis in Higher Plants.
Option 3: 720 nm
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Photosynthesis in Higher Plants.
💡 Study Guide: This question tests core syllabus concepts from Photosynthesis in Higher Plants. For formulas, key summaries, and mock exam reference guides, read the full Photosynthesis in Higher Plants Revision Notes.