Name the pigments that appear to be yellow orange or red in colour?

Explanation

**Step-by-Step Solution:**

1. **Identify the Pigments**: The question asks for pigments that are yellow, orange, or red in color. The primary pigments that fit this description are carotenoids.

2. **Define Carotenoids**: Carotenoids are a class of pigments found in plants and algae. They are responsible for the yellow, orange, and red colors observed in many fruits and vegetables.

3. **Role of Carotenoids in Photosynthesis**: Carotenoids play a crucial role in photosynthesis. They act as light-harvesting centers, capturing light energy and transferring it to the chlorophyll molecules, which are the main pigments involved in the photosynthetic process.

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