Chlorophyll appears _____ When flouresed and carotene appears ____ (colour)

Options

A. Orange , blue
B. Red green
C. Green , orange
D. Blue , red

Answer

To answer the question regarding the colors of chlorophyll and carotene when fluoresced, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Chlorophyll**:
- Chlorophyll is a green pigment found in plants, specifically in the chloroplasts. It plays a crucial role in photosynthesis by absorbing light.

2. **Fluorescence of Chlorophyll**:
- When chlorophyll is exposed to light and fluoresced, it emits light in the red region of the spectrum. Therefore, chlorophyll appears **red** when fluoresced.

3. **Understanding Carotene**:
- Carotene is another pigment found in plants, which is responsible for the yellow, orange, and red colors in many fruits and vegetables.

4. **Fluorescence of Carotene**:
- When carotene is fluoresced, it reflects the green light, making it appear **green**.

5. **Choosing the Correct Option**:
- From the options provided:
- Option 1: Orange, Blue (Incorrect)
- Option 2: Red, Green (Correct)
- Option 3: Green, Orange (Incorrect)
- Option 4: Blue, Red (Incorrect)
- The correct option is **Option 2: Red for chlorophyll and Green for carotene**.

### Final Answer:
Chlorophyll appears **red** when fluoresced, and carotene appears **green**.

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