Question : The red, orange and yellow colours of the leaf are due to
Option 1: Aldehydes
Option 2: Tannin
Option 3: Lignins
Option 4: Carotenoid
Correct Answer: Carotenoid
Solution : The correct option is Carotenoids.
Carotenoids are responsible for the red, orange, and yellow colours of leaves. Carotenoids are an organic pigment group found in plants. Carotenoids are created in leaves by chloroplasts, which are photosynthetic organelles. Carotenoids absorb less sunlight than chlorophyll, therefore they look yellow, orange, or red.
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