Consider the following event in the photochemical conversion of light energy into chemical conversion of light energy by chlorophyll during photosynthesis
I) Energy transformation (light energy `rarr ATP` )
II) Absorption of quantum of energy
III)Ejection of electron from `P_(680)`
IV) Transfer of light energy (resource transfer )

Options

A. IV, II, I , III
B. I , III , IV, II
C. II, IV , III , I
D. II , I, IV, III

Answer

To solve the question regarding the sequence of events in the photochemical conversion of light energy into chemical energy by chlorophyll during photosynthesis, we can break it down step by step:

### Step 1: Identify the Events
The events listed in the question are:
1. Energy transformation (light energy → ATP)
2. Absorption of quantum of energy
3. Ejection of electron from P680
4. Transfer of light energy (resource transfer)

### Step 2: Determine the Sequence of Events
To understand the correct sequence of these events, we need to know the process of photosynthesis:

1. **Transfer of Light Energy (Event IV)**: The process begins with the transfer of light energy to chlorophyll molecules. This is the first step where light energy is captured by chlorophyll.

2. **Absorption of Quantum of Energy (Event II)**: Once the light energy is transferred to chlorophyll, the next step is the absorption of this energy in the form of quanta (photons). This is the second step.

3. **Energy Transformation (Event I)**: After the absorption of energy, the light energy is transformed into chemical energy, specifically into ATP (adenosine triphosphate). This is the third step.

4. **Ejection of Electron from P680 (Event III)**: Finally, as a result of the absorbed energy, an electron is ejected from the P680 reaction center of Photosystem II. This is the fourth step.

### Step 3: Write the Correct Sequence
Based on the analysis above, the correct sequence of events is:
- IV) Transfer of light energy
- II) Absorption of quantum of energy
- I) Energy transformation (light energy → ATP)
- III) Ejection of electron from P680

### Final Answer
The correct sequence of events is: **IV → II → I → III**.